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Condit R, Hatfield B, Morris PA, Costa DP. Quantifying dispersal between two colonies of northern elephant seals across 17 birth cohorts. PLoS One 2023; 18:e0288921. [PMID: 38032885 PMCID: PMC10688689 DOI: 10.1371/journal.pone.0288921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 07/06/2023] [Indexed: 12/02/2023] Open
Abstract
Dispersal drives extinction-recolonization dynamics of metapopulations and is necessary for endangered species to recolonize former ranges. Yet few studies quantify dispersal and even fewer examine consistency of dispersal over many years. The northern elephant seal (Mirounga angustirostris) provides an example of the importance of dispersal. It quickly recolonized its full range after near extirpation by 19th century hunting, and though dispersal was observed it was not quantified. Here we enumerate lifetime dispersal events among females marked as pups at two colonies during 1994-2010, then correct for detection biases to estimate bidirectional dispersal rates. An average of 16% of females born at the Piedras Blancas colony dispersed northward 200 km to breed at Año Nuevo, while 8.0% of those born at Año Nuevo dispersed southward to Piedras Blancas. The northward rate fluctuated considerably but was higher than southward in 15 of 17 cohorts. The population at Piedras Blancas expanded 15-fold during the study, while Año Nuevo's declined slightly, but the expectation that seals would emigrate away from high density colonies was not supported. During the 1990s, dispersal was higher away from the small colony toward the large. Moreover, cohorts born later at Piedras Blancas, when the colony had grown, dispersed no more than early cohorts. Consistently high natal dispersal in northern elephant seals means the population must be considered a single large unit in terms of response to environmental change. High dispersal was fortuitous to the past recovery of the species, and continued dispersal means elephant seals will likely expand their range further.
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Affiliation(s)
- Richard Condit
- Department of Ecology and Evolutionary Biology, University of California, Santa Cruz, Santa Cruz, CA, United States of America
| | | | - Patricia A. Morris
- Institute for Marine Sciences, University of California, Santa Cruz, Santa Cruz, CA, United States of America
| | - Daniel P. Costa
- Institute for Marine Sciences, University of California, Santa Cruz, Santa Cruz, CA, United States of America
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Aoyagi R, Condit R, Turner BL. Breakdown of the growth-mortality trade-off along a soil phosphorus gradient in a diverse tropical forest. Proc Biol Sci 2023; 290:20231348. [PMID: 37817599 PMCID: PMC10565392 DOI: 10.1098/rspb.2023.1348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 09/13/2023] [Indexed: 10/12/2023] Open
Abstract
An ecological paradigm predicts that plant species adapted to low resource availability grow slower and live longer than those adapted to high resource availability when growing together. We tested this by using hierarchical Bayesian analysis to quantify variations in growth and mortality of ca 40 000 individual trees from greater than 400 species in response to limiting resources in the tropical forests of Panama. In contrast to theoretical expectations of the growth-mortality paradigm, we find that tropical tree species restricted to low-phosphorus soils simultaneously achieve faster growth rates and lower mortality rates than species restricted to high-phosphorus soils. This result demonstrates that adaptation to phosphorus limitation in diverse plant communities modifies the growth-mortality trade-off, with important implications for understanding long-term ecosystem dynamics.
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Affiliation(s)
- Ryota Aoyagi
- The Hakubi Center for Advanced Research, Kyoto University, Yoshida-Konoe, Kyoto 606-8501, Japan
- Graduate School of Agriculture, Kyoto University, Kitashirakawa Oiwake-cho, Sakyo-ku, Kyoto 606-8502, Japan
| | - Richard Condit
- Field Museum of Natural History, 1400 S Lake Shore Dr., Chicago, IL 60605, USA
- Morton Arboretum, Lisle, IL 60532-1293, USA
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Beltran RS, Hernandez KM, Condit R, Robinson PW, Crocker DE, Goetsch C, Kilpatrick AM, Costa DP. Physiological tipping points in the relationship between foraging success and lifetime fitness of a long-lived mammal. Ecol Lett 2023; 26:706-716. [PMID: 36888564 DOI: 10.1111/ele.14193] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 01/23/2023] [Accepted: 01/25/2023] [Indexed: 03/09/2023]
Abstract
Although anthropogenic change is often gradual, the impacts on animal populations may be precipitous if physiological processes create tipping points between energy gain, reproduction or survival. We use 25 years of behavioural, diet and demographic data from elephant seals to characterise their relationships with lifetime fitness. Survival and reproduction increased with mass gain during long foraging trips preceding the pupping seasons, and there was a threshold where individuals that gained an additional 4.8% of their body mass (26 kg, from 206 to 232 kg) increased lifetime reproductive success three-fold (from 1.8 to 4.9 pups). This was due to a two-fold increase in pupping probability (30% to 76%) and a 7% increase in reproductive lifespan (6.0 to 6.4 years). The sharp threshold between mass gain and reproduction may explain reproductive failure observed in many species and demonstrates how small, gradual reductions in prey from anthropogenic disturbance could have profound implications for animal populations.
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Affiliation(s)
- Roxanne S Beltran
- Department of Ecology and Evolutionary Biology, University of California Santa Cruz, Santa Cruz, California, USA
| | - Keith M Hernandez
- Department of Ecology and Evolutionary Biology, University of California Santa Cruz, Santa Cruz, California, USA.,Institute of Marine Sciences, University of California Santa Cruz, Santa Cruz, California, USA
| | - Richard Condit
- Department of Ecology and Evolutionary Biology, University of California Santa Cruz, Santa Cruz, California, USA
| | - Patrick W Robinson
- Department of Ecology and Evolutionary Biology, University of California Santa Cruz, Santa Cruz, California, USA
| | - Daniel E Crocker
- Department of Biology, Sonoma State University, Rohnert Park, California, USA
| | - Chandra Goetsch
- Department of Ecology and Evolutionary Biology, University of California Santa Cruz, Santa Cruz, California, USA
| | - A Marm Kilpatrick
- Department of Ecology and Evolutionary Biology, University of California Santa Cruz, Santa Cruz, California, USA
| | - Daniel P Costa
- Department of Ecology and Evolutionary Biology, University of California Santa Cruz, Santa Cruz, California, USA.,Institute of Marine Sciences, University of California Santa Cruz, Santa Cruz, California, USA
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4
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Verdú M, Garrido JL, Alcántara JM, Montesinos-Navarro A, Aguilar S, Aizen MA, Al-Namazi AA, Alifriqui M, Allen D, Anderson-Teixeira KJ, Armas C, Bastida JM, Bellido T, Bonanomi G, Paterno GB, Briceño H, de Oliveira RAC, Campoy JG, Chaieb G, Chu C, Collins SE, Condit R, Constantinou E, Degirmenci CÜ, Delalandre L, Duarte M, Faife M, Fazlioglu F, Fernando ES, Flores J, Flores-Olvera H, Fodor E, Ganade G, Garcia MB, García-Fayos P, Gavini SS, Goberna M, Gómez-Aparicio L, González-Pendás E, González-Robles A, Hubbell SP, İpekdal K, Jorquera MJ, Kikvidze Z, Kütküt P, Ledo A, Lendínez S, Li B, Liu H, Lloret F, López RP, López-García Á, Lortie CJ, Losapio G, Lutz JA, Luzuriaga AL, Máliš F, Manrique E, Manzaneda AJ, Marcilio-Silva V, Michalet R, Molina-Venegas R, Navarro-Cano JA, Novotny V, Olesen JM, Ortiz-Brunel JP, Pajares-Murgó M, Parissis N, Parker G, Perea AJ, Pérez-Hernández V, Pérez-Navarro MÁ, Pistón N, Pizarro-Carbonell E, Prieto I, Prieto-Rubio J, Pugnaire FI, Ramírez N, Retuerto R, Rey PJ, Rodriguez Ginart DA, Rodríguez-Sánchez M, Sánchez-Martín R, Schöb C, Tavşanoğlu Ç, Tedoradze G, Tercero-Araque A, Tielbörger K, Touzard B, Tüfekcioğlu İ, Turkis S, Usero FM, Usta N, Valiente-Banuet A, Vargas-Colin A, Vogiatzakis I, Zamora R. RecruitNet: A global database of plant recruitment networks. Ecology 2023; 104:e3923. [PMID: 36428233 PMCID: PMC10078134 DOI: 10.1002/ecy.3923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 09/12/2022] [Accepted: 09/16/2022] [Indexed: 11/28/2022]
Abstract
Plant recruitment interactions (i.e., what recruits under what) shape the composition, diversity, and structure of plant communities. Despite the huge body of knowledge on the mechanisms underlying recruitment interactions among species, we still know little about the structure of the recruitment networks emerging in ecological communities. Modeling and analyzing the community-level structure of plant recruitment interactions as a complex network can provide relevant information on ecological and evolutionary processes acting both at the species and ecosystem levels. We report a data set containing 143 plant recruitment networks in 23 countries across five continents, including temperate and tropical ecosystems. Each network identifies the species under which another species recruits. All networks report the number of recruits (i.e., individuals) per species. The data set includes >850,000 recruiting individuals involved in 118,411 paired interactions among 3318 vascular plant species across the globe. The cover of canopy species and open ground is also provided. Three sampling protocols were used: (1) The Recruitment Network (RN) protocol (106 networks) focuses on interactions among established plants ("canopy species") and plants in their early stages of recruitment ("recruit species"). A series of plots was delimited within a locality, and all the individuals recruiting and their canopy species were identified; (2) The paired Canopy-Open (pCO) protocol (26 networks) consists in locating a potential canopy plant and identifying recruiting individuals under the canopy and in a nearby open space of the same area; (3) The Georeferenced plot (GP) protocol (11 networks) consists in using information from georeferenced individual plants in large plots to infer canopy-recruit interactions. Some networks incorporate data for both herbs and woody species, whereas others focus exclusively on woody species. The location of each study site, geographical coordinates, country, locality, responsible author, sampling dates, sampling method, and life habits of both canopy and recruit species are provided. This database will allow researchers to test ecological, biogeographical, and evolutionary hypotheses related to plant recruitment interactions. There are no copyright restrictions on the data set; please cite this data paper when using these data in publications.
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Affiliation(s)
- Miguel Verdú
- Centro de Investigaciones Sobre Desertificación (CIDE, CSIC-UV-GV), Moncada, Spain
| | - Jose L Garrido
- Departamento de Microbiología del Suelo y Sistemas Simbióticos, Estación Experimental del Zaidín (EEZ-CSIC), Granada, Spain.,Estación Biológica de Doñana (EBD-CSIC), Sevilla, Spain
| | - Julio M Alcántara
- Departamento de Biología Animal, Biología Vegetal y Ecología, Universidad de Jaén, Jaén, Spain.,Andalusian Institute for Earth System Research (IISTA), Granada, Spain
| | | | - Salomón Aguilar
- Smithsonian Tropical Research Institute (STRI), Panama, Panama
| | - Marcelo A Aizen
- Instituto de Investigaciones en Biodiversidad y Medioambiente (INIBIOMA), Universidad Nacional del Comahue-CONICET, San Carlos de Bariloche, Argentina
| | - Ali A Al-Namazi
- Life Sciences & Environment Research Institute, King Abdulaziz City for Science and Technology (KACST), Riyadh, Saudi Arabia
| | - Mohamed Alifriqui
- Laboratory of Ecology and Environment, Biology Department, Faculty of Sciences Semlalia, Cadi Ayyad University, Marrakech, Morocco
| | - David Allen
- Department of Biology, Middlebury College, Middlebury, Vermont, USA
| | - Kristina J Anderson-Teixeira
- Smithsonian Tropical Research Institute (STRI), Panama, Panama.,Center for Conservation Ecology, Smithsonian National Zoo and Conservation Biology Institute, Front Royal, Virginia, USA
| | - Cristina Armas
- Estación Experimental de Zonas Áridas, Consejo Superior de Investigaciones Científicas (EEZA-CSIC), Almería, Spain
| | - Jesús M Bastida
- Estación Experimental del Zaidín, Consejo Superior de Investigaciones Científicas (EEZ-CSIC), Granada, Spain
| | - Tono Bellido
- Servici Devesa-Albufera, Vivers Municipals de El Saler, Valencia, Spain
| | - Giuliano Bonanomi
- Department of Agricultural Sciences, University of Naples Federico II, Portici, Italy
| | - Gustavo B Paterno
- Biodiversity, Macroecology & Biogeography, University of Göttingen, Göttingen, Germany
| | - Herbert Briceño
- Estación Experimental de Zonas Áridas, Consejo Superior de Investigaciones Científicas (EEZA-CSIC), Almería, Spain
| | - Ricardo A C de Oliveira
- Departamento de Botânica, Universidade Federal do Paraná, Setor de Ciências Biológicas, Curitiba, Brazil
| | - Josefina G Campoy
- Departamento de Biología Funcional (Ecología), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - Ghassen Chaieb
- University of Bordeaux, UMR CNRS 5805 EPOC, Pessac, France
| | - Chengjin Chu
- State Key Laboratory of Biocontrol, School of Ecology, Sun Yat-sen University, Guangzhou, China
| | - Sarah E Collins
- Centro de Investigaciones Sobre Desertificación (CIDE, CSIC-UV-GV), Moncada, Spain
| | - Richard Condit
- University of California, Santa Cruz, Santa Cruz, California, USA
| | - Elena Constantinou
- Faculty of Pure & Applied Sciences, Open University of Cyprus, Nicosia, Cyprus
| | - Cihan Ü Degirmenci
- Division of Ecology, Department of Biology, Hacettepe University, Ankara, Turkey
| | - Leo Delalandre
- CEFE, University of Montpellier, CNRS, EPHE, IRD, Montpellier, France
| | - Milen Duarte
- Instituto de Ecología y Biodiversidad (IEB), Santiago, Chile
| | - Michel Faife
- Jardín Botánico de Villa Clara, Facultad de Ciencias Agropecuarias, Universidad Central 'Marta Abreu' de Las Villas, Santa Clara, Cuba
| | - Fatih Fazlioglu
- Faculty of Arts and Sciences, Department of Molecular Biology and Genetics, Ordu University, Ordu, Turkey.,Bayreuth University (Plant Ecology, University of Bayreuth), Bayreuth, Germany
| | - Edwino S Fernando
- Institute of Biology, University of the Philippines, Diliman, Philippines.,Department of Forest Biological Sciences, University of the Philippines, Los Baños, Philippines
| | - Joel Flores
- Instituto Potosino de Investigación Científica y Tecnológica, A.C., División de Ciencias Ambientales, San Luis Potosí, Mexico
| | - Hilda Flores-Olvera
- Departamento de Botánica, Instituto de Biología, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Ecaterina Fodor
- Faculty of Environmental Protection, Department of Forestry and Forest Engineering, University of Oradea, Oradea, Romania
| | - Gislene Ganade
- Departamento de Ecología, Universidade Federal do Rio Grande do Norte, Natal, Brazil
| | | | | | - Sabrina S Gavini
- Instituto de Investigaciones en Biodiversidad y Medioambiente (INIBIOMA), Universidad Nacional del Comahue-CONICET, San Carlos de Bariloche, Argentina
| | - Marta Goberna
- Department of Environment and Agronomy, Centro Nacional Instituto de Investigación y Tecnología Agraria y Alimentaria (INIA-CSIC), Madrid, Spain
| | - Lorena Gómez-Aparicio
- Instituto de Recursos Naturales y Agrobiología de Sevilla, Consejo Superior de Investigaciones Científicas (IRNAS-CSIC), Sevilla, Spain
| | - Enrique González-Pendás
- Departamento de Investigaciones Botánicas, Centro de Investigaciones y Servicios Ambientales, ECOVIDA, Pinar del Río, Cuba
| | - Ana González-Robles
- Departamento de Biología Animal, Biología Vegetal y Ecología, Universidad de Jaén, Jaén, Spain
| | - Stephen P Hubbell
- Smithsonian Tropical Research Institute (STRI), Panama, Panama.,Department of Ecology and Evolutionary Biology, University of California, Los Angeles, California, USA
| | | | - María J Jorquera
- Estación Experimental de Zonas Áridas, Consejo Superior de Investigaciones Científicas (EEZA-CSIC), Almería, Spain
| | - Zaal Kikvidze
- Institute of Botany, Ilia State University, Tbilisi, Georgia
| | - Pınar Kütküt
- Division of Ecology, Department of Biology, Hacettepe University, Ankara, Turkey
| | | | - Sandra Lendínez
- Departamento de Microbiología del Suelo y Sistemas Simbióticos, Estación Experimental del Zaidín (EEZ-CSIC), Granada, Spain
| | - Buhang Li
- Department of Ecology, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Hanlun Liu
- Department of Ecology, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Francisco Lloret
- CREAF, U. Ecologia, Department of Biología Animal, Biología Vegetal i Ecologia, Universitat Autònoma Barcelona, Cerdanyola del Valles, Spain
| | - Ramiro P López
- Carrera de Biología, Facultad de Ciencias Puras y Naturales, Universidad Mayor de San Andrés (UMSA), La Paz, Bolivia
| | - Álvaro López-García
- Departamento de Microbiología del Suelo y Sistemas Simbióticos, Estación Experimental del Zaidín (EEZ-CSIC), Granada, Spain
| | | | - Gianalberto Losapio
- Institute of Earth Surface Dynamics, University of Lausanne, Lausanne, Switzerland
| | - James A Lutz
- Utah State University, Wildland Resources, Logan, Utah, USA
| | | | - František Máliš
- Faculty of Forestry, Technical University in Zvolen, Zvolen, Slovakia
| | | | - Antonio J Manzaneda
- Departamento de Biología Animal, Biología Vegetal y Ecología, Universidad de Jaén, Jaén, Spain
| | - Vinicius Marcilio-Silva
- Department of Ecology, Evolution and Behavior, University of Minnesota, Saint Paul, Minnesota, USA
| | | | - Rafael Molina-Venegas
- Department of Life Sciences, Universidad de Alcalá, GLOCEE - Global Change Ecology and Evolution Group, Alcalá de Henares, Spain
| | - José Antonio Navarro-Cano
- Department of Environment and Agronomy, Centro Nacional Instituto de Investigación y Tecnología Agraria y Alimentaria (INIA-CSIC), Madrid, Spain
| | - Vojtech Novotny
- Department of Ecology and Conservation Biology, Czech Academy of Sciences, Prague, Czech Republic
| | - Jens M Olesen
- Department of Biology, Aarhus University, Aarhus, Denmark
| | - Juan P Ortiz-Brunel
- Departamento de Botánica y Zoología, Centro Universitario de Ciencias Biológicas y Agropecuarias, Universidad de Guadalajara, Zapopan, Mexico
| | - María Pajares-Murgó
- Departamento de Biología Animal, Biología Vegetal y Ecología, Universidad de Jaén, Jaén, Spain
| | - Nikolas Parissis
- Department of Agricultural Development, Management of Plant Production, Plant Protection and Environment, Democritus University of Thrace, Orestiada, Greece
| | - Geoffrey Parker
- Smithsonian Environmental Research Center, Edgewater, Maryland, USA
| | - Antonio J Perea
- Departamento de Biología Animal, Biología Vegetal y Ecología, Universidad de Jaén, Jaén, Spain
| | - Vidal Pérez-Hernández
- Departamento de Investigaciones Botánicas, Centro de Investigaciones y Servicios Ambientales, ECOVIDA, Pinar del Río, Cuba
| | - María Ángeles Pérez-Navarro
- CREAF, U. Ecologia, Department of Biología Animal, Biología Vegetal i Ecologia, Universitat Autònoma Barcelona, Cerdanyola del Valles, Spain
| | - Nuria Pistón
- Estación Experimental de Zonas Áridas, Consejo Superior de Investigaciones Científicas (EEZA-CSIC), Almería, Spain.,Programa de Pós-graduação em Ecologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - Iván Prieto
- Estación Experimental de Zonas Áridas, Consejo Superior de Investigaciones Científicas (EEZA-CSIC), Almería, Spain.,Department of Biodiversity and Environmental Management, Ecology Area, Faculty of Biological and Environmental Sciences, University of León, León, Spain
| | - Jorge Prieto-Rubio
- Departamento de Microbiología del Suelo y Sistemas Simbióticos, Estación Experimental del Zaidín (EEZ-CSIC), Granada, Spain
| | - Francisco I Pugnaire
- Estación Experimental de Zonas Áridas, Consejo Superior de Investigaciones Científicas (EEZA-CSIC), Almería, Spain
| | - Nelson Ramírez
- Universidad Central de Venezuela, Facultad de Ciencias, Instituto Biología Experimental, Centro Botánica Tropical, Caracas, Venezuela
| | - Rubén Retuerto
- Departamento de Biología Funcional (Ecología), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - Pedro J Rey
- Departamento de Biología Animal, Biología Vegetal y Ecología, Universidad de Jaén, Jaén, Spain.,Andalusian Institute for Earth System Research (IISTA), Granada, Spain
| | | | - Mariana Rodríguez-Sánchez
- Posgrado en Ciencias Biológicas, Instituto de Biología, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | | | - Christian Schöb
- Department of Biology and Geology, Rey Juan Carlos University, Móstoles, Spain.,Institute of Agricultural Sciences, ETH, Zurich, Switzerland
| | - Çağatay Tavşanoğlu
- Division of Ecology, Department of Biology, Hacettepe University, Ankara, Turkey
| | - Giorgi Tedoradze
- Department of Plant Systematics and Geography, Institute of Botany, Ilia State University, Tbilisi, Georgia
| | - Amanda Tercero-Araque
- Departamento de Biología Animal, Biología Vegetal y Ecología, Universidad de Jaén, Jaén, Spain
| | - Katja Tielbörger
- University of Tübingen, Institute of Evolution and Ecology, Plant Ecology Group, Tübingen, Germany
| | - Blaise Touzard
- State Key Laboratory of Biocontrol, School of Ecology, Sun Yat-sen University, Guangzhou, China
| | - İrem Tüfekcioğlu
- CEFE, University of Montpellier, CNRS, EPHE, IRD, Montpellier, France
| | - Sevda Turkis
- Faculty of Education, Department of Mathematics and Science Education, Ordu University, Ordu, Turkey
| | - Francisco M Usero
- Estación Experimental de Zonas Áridas, Consejo Superior de Investigaciones Científicas (EEZA-CSIC), Almería, Spain
| | - Nurbahar Usta
- Division of Ecology, Department of Biology, Hacettepe University, Ankara, Turkey
| | - Alfonso Valiente-Banuet
- Departamento de Ecología de la Biodiversidad, Instituto de Ecología, Universidad Nacional Autónoma de México, Mexico City, Mexico.,Centro de Ciencias de la Complejidad, Universidad Nacional Autónoma de México, México City, Mexico
| | - Alexia Vargas-Colin
- Instituto Potosino de Investigación Científica y Tecnológica, A.C., División de Ciencias Ambientales, San Luis Potosí, Mexico
| | - Ioannis Vogiatzakis
- Faculty of Pure & Applied Sciences, Open University of Cyprus, Nicosia, Cyprus
| | - Regino Zamora
- Andalusian Institute for Earth System Research (IISTA), Granada, Spain.,Department of Ecology, University of Granada, Granada, Spain
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Beltran RS, Yuen AL, Condit R, Robinson PW, Czapanskiy MF, Crocker DE, Costa DP. Elephant seals time their long-distance migrations using a map sense. Curr Biol 2022; 32:R156-R157. [DOI: 10.1016/j.cub.2022.01.031] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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Condit R, Allen SG, Costa DP, Codde S, Goley PD, Le Boeuf BJ, Lowry MS, Morris P. Estimating population size when individuals are asynchronous: A model illustrated with northern elephant seal breeding colonies. PLoS One 2022; 17:e0262214. [PMID: 35073340 PMCID: PMC8786122 DOI: 10.1371/journal.pone.0262214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 12/19/2021] [Indexed: 11/25/2022] Open
Abstract
Our aim was to develop a method for estimating the number of animals using a single site in an asynchronous species, meaning that not all animals are present at once so that no one count captures the entire population. This is a common problem in seasonal breeders, and in northern elephant seals, we have a model for quantifying asynchrony at the Año Nuevo colony. Here we test the model at several additional colonies having many years of observations and demonstrate how it can account for animals not present on any one day. This leads to correction factors that yield total population from any single count throughout a season. At seven colonies in California for which we had many years of counts of northern elephant seals, we found that female arrival date varied < 2 days between years within sites and by < 5 days between sites. As a result, the correction factor for any one day was consistent, and at each colony, multiplying a female count between 26 and 30 Jan by 1.15 yielded an estimate of total population size that minimized error. This provides a method for estimating the female population size at colonies not yet studied. Our method can produce population estimates with minimal expenditure of time and resources and will be applicable to many seasonal species with asynchronous breeding phenology, particularly colonial birds and other pinnipeds. In elephant seals, it will facilitate monitoring the population over its entire range.
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Affiliation(s)
- Richard Condit
- Institute for Marine Sciences, University of California, Santa Cruz, Santa Cruz, California, United States of America
- * E-mail:
| | - Sarah G. Allen
- National Park Service, Point Reyes National Seashore, Point Reyes Station, CA, United States of America
| | - Daniel P. Costa
- Institute for Marine Sciences, University of California, Santa Cruz, Santa Cruz, California, United States of America
| | - Sarah Codde
- National Park Service, Point Reyes National Seashore, Point Reyes Station, CA, United States of America
| | - P. Dawn Goley
- Department of Biological Sciences, Humboldt State University, Arcata, CA, United States of America
| | - Burney J. Le Boeuf
- Institute for Marine Sciences, University of California, Santa Cruz, Santa Cruz, California, United States of America
| | - Mark S. Lowry
- Marine Mammal and Turtle Division, Southwest Fisheries Science Center, La Jolla, CA, United States of America
| | - Patricia Morris
- Institute for Marine Sciences, University of California, Santa Cruz, Santa Cruz, California, United States of America
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Holser RR, Crocker DE, Robinson PW, Condit R, Costa DP. Density-dependent effects on reproductive output in a capital breeding carnivore, the northern elephant seal ( Mirounga angustirostris). Proc Biol Sci 2021; 288:20211258. [PMID: 34641731 PMCID: PMC8511744 DOI: 10.1098/rspb.2021.1258] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 09/17/2021] [Indexed: 11/12/2022] Open
Abstract
All organisms face resource limitations that will ultimately restrict population growth, but the controlling mechanisms vary across ecosystems, taxa, and reproductive strategies. Using four decades of data, we examine how variation in the environment and population density affect reproductive outcomes in a capital-breeding carnivore, the northern elephant seal (Mirounga angustirostris). This species provides a unique opportunity to examine the relative importance of resource acquisition and density-dependence on breeding success. Capital breeders accrue resources over large temporal and spatial scales for use during an abbreviated reproductive period. This strategy may have evolved, in part, to confer resilience to short-term environmental variability. We observed density-dependent effects on weaning mass, and maternal age (experience) was more important than oceanographic conditions or maternal mass in determining offspring weaning mass. Together these findings show that the mechanisms controlling reproductive output are conserved across terrestrial and marine systems and vary with population dynamics, an important consideration when assessing the effect of extrinsic changes, such as climate change, on a population.
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Affiliation(s)
- Rachel R. Holser
- Department of Ecology and Evolutionary Biology, University of California Santa Cruz, 130 McAllister Way, Santa Cruz, CA 95060, USA
| | - Daniel E. Crocker
- Department of Biology, Sonoma State University, Rohnert Park, CA 94928, USA
| | - Patrick W. Robinson
- Department of Ecology and Evolutionary Biology, University of California Santa Cruz, 130 McAllister Way, Santa Cruz, CA 95060, USA
| | - Richard Condit
- Field Museum of Natural History, 1400 South Lake Shore Drive, Chicago, IL 60605, USA
- Morton Arboretum, 4100 Illinois Route 53, Lisle, IL 60532, USA
| | - Daniel P. Costa
- Department of Ecology and Evolutionary Biology, University of California Santa Cruz, 130 McAllister Way, Santa Cruz, CA 95060, USA
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8
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Cushman KC, Bunyavejchewin S, Cárdenas D, Condit R, Davies SJ, Duque Á, Hubbell SP, Kiratiprayoon S, Lum SKY, Muller‐Landau HC. Variation in trunk taper of buttressed trees within and among five lowland tropical forests. Biotropica 2021. [DOI: 10.1111/btp.12994] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- K. C. Cushman
- Center for Tropical Forest Science‐Forest Global Earth Observatory Smithsonian Tropical Research Institute Balboa Panama
| | - Sarayudh Bunyavejchewin
- Forest Research Office Department of National Parks, Wildlife and Plant Conservation Bangkok Thailand
| | - Dairon Cárdenas
- Herbario Amazónico Instituto Amazónico de investigaciones Científicas Sinchi Bogotá D.C. Colombia
| | - Richard Condit
- Morton Arboretum Lisle IL USA
- Field Museum of Natural History Chicago IL USA
| | - Stuart J. Davies
- Forest Global Earth Observatory Smithsonian Tropical Research Institute Washington DC USA
| | - Álvaro Duque
- Departamento de Ciencias Forestales Universidad Nacional de Colombia Sede Medellín Medellín Colombia
| | - Stephen P. Hubbell
- Center for Tropical Forest Science‐Forest Global Earth Observatory Smithsonian Tropical Research Institute Balboa Panama
- Department of Ecology and Evolutionary Biology University of California Los Angeles Los Angeles CA USA
| | - Somboon Kiratiprayoon
- Faculty of Science and Technology Thammasat University (Rangsit) Klongluang Thailand
| | - Shawn K. Y. Lum
- Asian School of the Environment Nanyang Technological University Singapore Singapore
| | - Helene C. Muller‐Landau
- Center for Tropical Forest Science‐Forest Global Earth Observatory Smithsonian Tropical Research Institute Balboa Panama
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9
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Cao K, Condit R, Mi X, Chen L, Ren H, Xu W, Burslem DFRP, Cai C, Cao M, Chang LW, Chu C, Cui F, Du H, Ediriweera S, Gunatilleke CSV, Gunatilleke IUAN, Hao Z, Jin G, Li J, Li B, Li Y, Liu Y, Ni H, O'Brien MJ, Qiao X, Shen G, Tian S, Wang X, Xu H, Xu Y, Yang L, Yap SL, Lian J, Ye W, Yu M, Su SH, Chang-Yang CH, Guo Y, Li X, Zeng F, Zhu D, Zhu L, Sun IF, Ma K, Svenning JC. Species packing and the latitudinal gradient in beta-diversity. Proc Biol Sci 2021; 288:20203045. [PMID: 33849320 PMCID: PMC8059527 DOI: 10.1098/rspb.2020.3045] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Accepted: 03/17/2021] [Indexed: 11/12/2022] Open
Abstract
The decline in species richness at higher latitudes is among the most fundamental patterns in ecology. Whether changes in species composition across space (beta-diversity) contribute to this gradient of overall species richness (gamma-diversity) remains hotly debated. Previous studies that failed to resolve the issue suffered from a well-known tendency for small samples in areas with high gamma-diversity to have inflated measures of beta-diversity. Here, we provide a novel analytical test, using beta-diversity metrics that correct the gamma-diversity and sampling biases, to compare beta-diversity and species packing across a latitudinal gradient in tree species richness of 21 large forest plots along a large environmental gradient in East Asia. We demonstrate that after accounting for topography and correcting the gamma-diversity bias, tropical forests still have higher beta-diversity than temperate analogues. This suggests that beta-diversity contributes to the latitudinal species richness gradient as a component of gamma-diversity. Moreover, both niche specialization and niche marginality (a measure of niche spacing along an environmental gradient) also increase towards the equator, after controlling for the effect of topographical heterogeneity. This supports the joint importance of tighter species packing and larger niche space in tropical forests while also demonstrating the importance of local processes in controlling beta-diversity.
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Affiliation(s)
- Ke Cao
- State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing 100093
- Key Laboratory of Biodiversity Sciences and Ecological Engineering, Ministry of Education, College of Life Sciences, Beijing Normal University, Beijing 100875
| | - Richard Condit
- Morton Arboretum, 4100 Illinois Rte. 53, Lisle, IL 60532, USA
- Field Museum of Natural History, 1400 S. Lake Shore Drive, Chicago, IL 60605, USA
| | - Xiangcheng Mi
- State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing 100093
| | - Lei Chen
- State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing 100093
| | - Haibao Ren
- State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing 100093
| | - Wubing Xu
- State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing 100093
- Center for Biodiversity Dynamics in a Changing World (BIOCHANGE) and Section for Ecoinformatics and Biodiversity, Department of Biology, Aarhus University, Ny Munkegade 114, DK-8000 Aarhus C, Denmark
| | - David F. R. P. Burslem
- School of Biological Sciences, University of Aberdeen, Cruickshank Building, St Machar Drive, Aberdeen AB24 3UU, UK
| | - Chunrong Cai
- Institue of Natural Resources and Ecology, Heilongjiang Academy of Sciences, Harbin 150040
| | - Min Cao
- CAS Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Kunming 650223
- Center of Conservation Biology, Core Botanical Gardens, Chinese Academy of Sciences, Wuhan 430074
| | - Li-Wan Chang
- Taiwan Forestry Research Institute, 53 Nanhai Road, Taipei 100051
| | | | - Fuxin Cui
- Institue of Natural Resources and Ecology, Heilongjiang Academy of Sciences, Harbin 150040
| | - Hu Du
- Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan 410125
| | - Sisira Ediriweera
- Faculty of Applied Sciences, Uva Wellassa University, Badulla 90000, Sri Lanka
| | | | | | - Zhanqing Hao
- School of Ecology and Environment, Northwestern Polytechnical University, Xi'an 710072
| | - Guangze Jin
- Center for Ecological Research, Northeast Forestry University, Harbin 150040
| | - Jinbo Li
- Institue of Natural Resources and Ecology, Heilongjiang Academy of Sciences, Harbin 150040
| | - Buhang Li
- Sun Yat-sen University, Guangzhou 510275
| | - Yide Li
- Research Institute of Tropical Forestry, Chinese Academy of Forestry, Guangzhou 510520
| | - Yankun Liu
- Heilongjiang Key Laboratory of Forest Ecology and Forestry Ecological Engineering, Heilongjiang Forestry Engineering and Environment Institute, Harbin 150040
| | - Hongwei Ni
- Heilongjiang Academy of Forestry, Harbin 150081
| | - Michael J. O'Brien
- Área de Biodiversidad y Conservación, Universidad Rey Juan Carlos, c/ Tulipán s/n., E-28933 Móstoles, Spain
| | - Xiujuan Qiao
- Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan 430074
| | | | - Songyan Tian
- Heilongjiang Key Laboratory of Forest Ecology and Forestry Ecological Engineering, Heilongjiang Forestry Engineering and Environment Institute, Harbin 150040
| | - Xihua Wang
- East China Normal University, Shanghai 200241
| | - Han Xu
- Research Institute of Tropical Forestry, Chinese Academy of Forestry, Guangzhou 510520
| | - Yaozhan Xu
- Center of Conservation Biology, Core Botanical Gardens, Chinese Academy of Sciences, Wuhan 430074
- Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan 430074
| | - Libing Yang
- Institue of Natural Resources and Ecology, Heilongjiang Academy of Sciences, Harbin 150040
| | - Sandra L. Yap
- Institute of Biology, University of the Philippines, Diliman, Quezon City PH 1101, Philippines
| | - Juyu Lian
- Center of Conservation Biology, Core Botanical Gardens, Chinese Academy of Sciences, Wuhan 430074
- South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650
| | - Wanhui Ye
- Center of Conservation Biology, Core Botanical Gardens, Chinese Academy of Sciences, Wuhan 430074
- South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650
| | - Mingjian Yu
- College of Life Sciences, Zhejiang University, Hangzhou 310058
| | - Sheng-Hsin Su
- Taiwan Forestry Research Institute, 53 Nanhai Road, Taipei 100051
| | | | - Yili Guo
- Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guilin, 541006
| | - Xiankun Li
- Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guilin, 541006
| | | | - Daoguang Zhu
- Institue of Natural Resources and Ecology, Heilongjiang Academy of Sciences, Harbin 150040
| | - Li Zhu
- State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing 100093
| | - I-Fang Sun
- Department of Natural Resources and Environmental Studies, National Dong Hwa University, Hualien 97401
| | - Keping Ma
- State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing 100093
| | - Jens-Christian Svenning
- Center for Biodiversity Dynamics in a Changing World (BIOCHANGE) and Section for Ecoinformatics and Biodiversity, Department of Biology, Aarhus University, Ny Munkegade 114, DK-8000 Aarhus C, Denmark
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10
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Chen RT, Kochhar S, Condit R. The Brighton Collaboration standardized templates for collection of key information for benefit-risk assessment of vaccines by technology (BRAVATO; formerly V3SWG). Vaccine 2020; 39:3050-3052. [PMID: 33168344 PMCID: PMC7647903 DOI: 10.1016/j.vaccine.2020.10.072] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 10/19/2020] [Accepted: 10/20/2020] [Indexed: 12/27/2022]
Affiliation(s)
- Robert T Chen
- Brighton Collaboration, A Program of the Task Force for Global Health, Decatur, GA, USA
| | - Sonali Kochhar
- Global Healthcare Consulting, New Delhi, India; University of Washington, Seattle, WA 98195, USA
| | - Richard Condit
- Department of Molecular Genetics and Microbiology, University of Florida, Gainesville, FL 32610, USA
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11
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Rüger N, Condit R, Dent DH, DeWalt SJ, Hubbell SP, Lichstein JW, Lopez OR, Wirth C, Farrior CE. Demographic trade-offs predict tropical forest dynamics. Science 2020; 368:165-168. [PMID: 32273463 DOI: 10.1126/science.aaz4797] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Accepted: 02/27/2020] [Indexed: 11/02/2022]
Abstract
Understanding tropical forest dynamics and planning for their sustainable management require efficient, yet accurate, predictions of the joint dynamics of hundreds of tree species. With increasing information on tropical tree life histories, our predictive understanding is no longer limited by species data but by the ability of existing models to make use of it. Using a demographic forest model, we show that the basal area and compositional changes during forest succession in a neotropical forest can be accurately predicted by representing tropical tree diversity (hundreds of species) with only five functional groups spanning two essential trade-offs-the growth-survival and stature-recruitment trade-offs. This data-driven modeling framework substantially improves our ability to predict consequences of anthropogenic impacts on tropical forests.
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Affiliation(s)
- Nadja Rüger
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Deutscher Platz 5e, 04103 Leipzig, Germany. .,Department of Economics, University of Leipzig, Grimmaische Straße 12, 04109 Leipzig, Germany.,Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Ancón, Panama
| | - Richard Condit
- Field Museum of Natural History, 1400 S. Lake Shore Dr., Chicago, IL 60605, USA.,Morton Arboretum, 4100 Illinois Rte. 53, Lisle, IL 60532, USA
| | - Daisy H Dent
- Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Ancón, Panama.,Biological and Environmental Sciences, University of Stirling, Stirling FK9 4LA, UK
| | - Saara J DeWalt
- Department of Biological Sciences, Clemson University, Clemson, SC 29634, USA
| | - Stephen P Hubbell
- Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Ancón, Panama.,Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA 90095, USA
| | - Jeremy W Lichstein
- Department of Biology, University of Florida, Gainesville, FL 32611, USA
| | - Omar R Lopez
- Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Ancón, Panama.,Instituto de Investigaciones Científicas y Servicios de Alta Tecnología (INDICASAT), Edificio 209, Clayton, Panama
| | - Christian Wirth
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Deutscher Platz 5e, 04103 Leipzig, Germany.,Systematic Botany and Functional Biodiversity, Institute of Biology, University of Leipzig, Johannisallee 21-23, 04103 Leipzig, Germany.,Max Planck Institute for Biogeochemistry, Hans-Knöll Str. 10, 07745 Jena, Germany
| | - Caroline E Farrior
- Department of Integrative Biology, University of Texas at Austin, Austin, TX 78712, USA
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12
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D’Andrea R, Guittar J, O’Dwyer JP, Figueroa H, Wright SJ, Condit R, Ostling A. Counting niches: Abundance‐by‐trait patterns reveal niche partitioning in a Neotropical forest. Ecology 2020; 101:e03019. [DOI: 10.1002/ecy.3019] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 12/17/2019] [Accepted: 01/24/2020] [Indexed: 11/10/2022]
Affiliation(s)
- Rafael D’Andrea
- Department of Ecology & Evolutionary Biology University of Michigan 1105 North University Ave, Biological Sciences Building Ann Arbor Michigan48109-1085 USA
- Department of Plant Biology University of Illinois Urbana-Champaign, 265 Morrill Hall, MC-116, 505 South Goodwin Avenue Urbana Illinois61801 USA
| | - John Guittar
- Department of Ecology & Evolutionary Biology University of Michigan 1105 North University Ave, Biological Sciences Building Ann Arbor Michigan48109-1085 USA
- Department of Plant Biology Michigan State University Plant Biology Laboratories 612 Wilson Road, Rm 166 East Lansing Michigan 48824 USA
| | - James P. O’Dwyer
- Department of Plant Biology University of Illinois Urbana-Champaign, 265 Morrill Hall, MC-116, 505 South Goodwin Avenue Urbana Illinois61801 USA
| | - Hector Figueroa
- Department of Ecology & Evolutionary Biology University of Michigan 1105 North University Ave, Biological Sciences Building Ann Arbor Michigan48109-1085 USA
| | - S. J. Wright
- Smithsonian Tropical Research Institute Apartado 0843–03092 Balboa Republic of Panama
| | - Richard Condit
- Field Museum of Natural History 1400 South Lake Shore Drive Chicago Illinois 60605 USA
- Morton Arboretum 4100 Illinois Route. 53 Lisle Illinois 60532 USA
| | - Annette Ostling
- Department of Ecology & Evolutionary Biology University of Michigan 1105 North University Ave, Biological Sciences Building Ann Arbor Michigan48109-1085 USA
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13
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Rutishauser E, Wright SJ, Condit R, Hubbell SP, Davies SJ, Muller-Landau HC. Testing for changes in biomass dynamics in large-scale forest datasets. Glob Chang Biol 2020; 26:1485-1498. [PMID: 31498520 DOI: 10.1111/gcb.14833] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2019] [Accepted: 08/27/2019] [Indexed: 06/10/2023]
Abstract
Tropical forest responses to climate and atmospheric change are critical to the future of the global carbon budget. Recent studies have reported increases in estimated above-ground biomass (EAGB) stocks, productivity, and mortality in old-growth tropical forests. These increases could reflect a shift in forest functioning due to global change and/or long-lasting recovery from past disturbance. We introduce a novel approach to disentangle the relative contributions of these mechanisms by decomposing changes in whole-plot biomass fluxes into contributions from changes in the distribution of gap-successional stages and changes in fluxes for a given stage. Using 30 years of forest dynamic data at Barro Colorado Island, Panama, we investigated temporal variation in EAGB fluxes as a function of initial EAGB (EAGBi ) in 10 × 10 m quadrats. Productivity and mortality fluxes both increased strongly with initial quadrat EAGB. The distribution of EAGB (and thus EAGBi ) across quadrats hardly varied over 30 years (and seven censuses). EAGB fluxes as a function of EAGBi varied largely and significantly among census intervals, with notably higher productivity in 1985-1990 associated with recovery from the 1982-1983 El Niño event. Variation in whole-plot fluxes among census intervals was explained overwhelmingly by variation in fluxes as a function of EAGBi , with essentially no contribution from changes in EAGBi distributions. The high observed temporal variation in productivity and mortality suggests that this forest is very sensitive to climate variability. There was no consistent long-term trend in productivity, mortality, or biomass in this forest over 30 years, although the temporal variability in productivity and mortality was so strong that it could well mask a substantial trend. Accurate prediction of future tropical forest carbon budgets will require accounting for disturbance-recovery dynamics and understanding temporal variability in productivity and mortality.
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Affiliation(s)
| | | | | | - Stephen P Hubbell
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA, USA
| | - Stuart J Davies
- Center for Tropical Forest Science-Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Panama City, Panama
- Department of Botany, National Museum of Natural History, Washington, DC, USA
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14
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Kupers SJ, Wirth C, Engelbrecht BMJ, Hernández A, Condit R, Wright SJ, Rüger N. Performance of tropical forest seedlings under shade and drought: an interspecific trade-off in demographic responses. Sci Rep 2019; 9:18784. [PMID: 31827158 PMCID: PMC6906455 DOI: 10.1038/s41598-019-55256-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Accepted: 11/23/2019] [Indexed: 11/09/2022] Open
Abstract
Seedlings in moist tropical forests must cope with deep shade and seasonal drought. However, the interspecific relationship between seedling performance in shade and drought remains unsettled. We quantified spatiotemporal variation in shade and drought in the seasonal moist tropical forest on Barro Colorado Island (BCI), Panama, and estimated responses of naturally regenerating seedlings as the slope of the relationship between performance and shade or drought intensity. Our performance metrics were relative height growth and first-year survival. We investigated the relationship between shade and drought responses for up to 63 species. There was an interspecific trade-off in species responses to shade versus species responses to dry season intensity; species that performed worse in the shade did not suffer during severe dry seasons and vice versa. This trade-off emerged in part from the absence of species that performed particularly well or poorly in both drought and shade. If drought stress in tropical forests increases with climate change and as solar radiation is higher during droughts, the trade-off may reinforce a shift towards species that resist drought but perform poorly in the shade by releasing them from deep shade.
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Affiliation(s)
- Stefan J Kupers
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Deutscher Platz 5e, 04103, Leipzig, Germany.
| | - Christian Wirth
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Deutscher Platz 5e, 04103, Leipzig, Germany
- Systematic Botany and Functional Biodiversity, Institute of Biology, Leipzig University, Johannisallee 21-23, 04103, Leipzig, Germany
- Max-Planck-Institute for Biogeochemistry, Hans-Knöll Str. 10, 07745, Jena, Germany
| | - Bettina M J Engelbrecht
- Department of Plant Ecology, Bayreuth Center of Ecology and Environmental Research (BayCEER), University of Bayreuth, 95447, Bayreuth, Germany
- Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Ancón, Panama
| | - Andrés Hernández
- Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Ancón, Panama
| | - Richard Condit
- Field Museum of Natural History, 1400 S Lake Shore Dr., Chicago, IL, 60605, USA
- Morton Arboretum, Lisle, IL, 60532-1293, USA
| | - S Joseph Wright
- Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Ancón, Panama
| | - Nadja Rüger
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Deutscher Platz 5e, 04103, Leipzig, Germany
- Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Ancón, Panama
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15
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Yu K, Smith WK, Trugman AT, Condit R, Hubbell SP, Sardans J, Peng C, Zhu K, Peñuelas J, Cailleret M, Levanic T, Gessler A, Schaub M, Ferretti M, Anderegg WRL. Pervasive decreases in living vegetation carbon turnover time across forest climate zones. Proc Natl Acad Sci U S A 2019; 116:24662-24667. [PMID: 31740604 PMCID: PMC6900527 DOI: 10.1073/pnas.1821387116] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Forests play a major role in the global carbon cycle. Previous studies on the capacity of forests to sequester atmospheric CO2 have mostly focused on carbon uptake, but the roles of carbon turnover time and its spatiotemporal changes remain poorly understood. Here, we used long-term inventory data (1955 to 2018) from 695 mature forest plots to quantify temporal trends in living vegetation carbon turnover time across tropical, temperate, and cold climate zones, and compared plot data to 8 Earth system models (ESMs). Long-term plots consistently showed decreases in living vegetation carbon turnover time, likely driven by increased tree mortality across all major climate zones. Changes in living vegetation carbon turnover time were negatively correlated with CO2 enrichment in both forest plot data and ESM simulations. However, plot-based correlations between living vegetation carbon turnover time and climate drivers such as precipitation and temperature diverged from those of ESM simulations. Our analyses suggest that forest carbon sinks are likely to be constrained by a decrease in living vegetation carbon turnover time, and accurate projections of forest carbon sink dynamics will require an improved representation of tree mortality processes and their sensitivity to climate in ESMs.
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Affiliation(s)
- Kailiang Yu
- School of Biological Sciences, University of Utah, Salt Lake City, UT 84112;
| | - William K Smith
- School of Natural Resources and the Environment, University of Arizona, Tucson, AZ 85721
| | - Anna T Trugman
- School of Biological Sciences, University of Utah, Salt Lake City, UT 84112
- Department of Geography, University of California, Santa Barbara, CA 93106
| | | | - Stephen P Hubbell
- The Morton Arboretum, Lisle, IL 60532
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA 90095
| | - Jordi Sardans
- Consejo Superior de Investigaciones Científicas, Global Ecology Unit (Center for Ecological Research and Forestry Applications-Consejo Superior de Investigaciones Científicas-Universitat Autònoma de Barcelona), 08193 Bellaterra (Catalonia), Spain
- Center for Ecological Research and Forestry Applications, 08193 Cerdanyola del Vallès (Catalonia), Spain
| | - Changhui Peng
- Department of Biological Sciences, University of Quebec at Montreal, Montréal, QC H3C 3J7, Canada
- State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest Agriculture and Forestry University, Yangling, 712100 Shaanxi, China
| | - Kai Zhu
- Department of Environmental Studies, University of California, Santa Cruz, CA 95064
| | - Josep Peñuelas
- Consejo Superior de Investigaciones Científicas, Global Ecology Unit (Center for Ecological Research and Forestry Applications-Consejo Superior de Investigaciones Científicas-Universitat Autònoma de Barcelona), 08193 Bellaterra (Catalonia), Spain
- Center for Ecological Research and Forestry Applications, 08193 Cerdanyola del Vallès (Catalonia), Spain
| | - Maxime Cailleret
- The Swiss Federal Institute for Forest Snow and Landscape Research (WSL) 8903 Birmensdorf, Switzerland
- UMR RECOVER, University of Aix-Marseille, Institut National de Recherche en Sciences et Technologies pour l'Environnement et l'Agriculture, 13182 Aix-en-Provence, France
| | - Tom Levanic
- Slovenian Forestry Institute, 1000 Ljubljana, Slovenia
| | - Arthur Gessler
- The Swiss Federal Institute for Forest Snow and Landscape Research (WSL) 8903 Birmensdorf, Switzerland
- Institute of Terrestrial Ecosystems, Eidgenössische Technische Hochschule Zürich, 8092 Zürich, Switzerland
| | - Marcus Schaub
- The Swiss Federal Institute for Forest Snow and Landscape Research (WSL) 8903 Birmensdorf, Switzerland
| | - Marco Ferretti
- The Swiss Federal Institute for Forest Snow and Landscape Research (WSL) 8903 Birmensdorf, Switzerland
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16
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Abstract
Lifetime reproductive success of individuals in a natural population provides an estimate of Darwinian fitness. We calculated lifetime reproductive success in a colony of female northern elephant seals (Mirounga angustirostris (Gill, 1866)) by monitoring annual breeding throughout life of 7735 female weanlings marked individually at Año Nuevo, California, USA, from 1963 to 2005. Great variation in lifetime reproductive success was evident in three aspects of life history: (1) 75% of the females died before reaching breeding age and produced no pups; (2) nearly half of the survivors bred for only a few years before dying, and young females had low weaning success; (3) less than 1% of the females in the sample were exceptionally successful producing up to 20 pups in life. Many females that bred early, while still growing, had decreased lifespan, low weaning success, and lower lifetime reproductive success than females that postponed first breeding. Exceptional reproductive success was associated with giving birth annually, living long (up to age 23), and weaning large pups that were more likely to survive and breed. We conclude that there is strong selection for increased lifespan and multiparous supermoms that contribute significantly to pup production in the next generation.
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Affiliation(s)
- Burney Le Boeuf
- Department of Ecology and Evolutionary Biology and Long Marine Laboratory, 130 McAllister Way, University of California at Santa Cruz, Santa Cruz, CA 95060, USA
| | - Richard Condit
- Field Museum of Natural History, 1400 South Lake Shore Drive, Chicago, IL 60605, USA
- Morton Arboretum, 4100 Illinois Route 53, Lisle, IL 60532, USA
| | - Joanne Reiter
- Institute for Marine Sciences, Long Marine Laboratory, 115 McAllister Way, University of California Santa Cruz, Santa Cruz, CA 95060, USA
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17
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Marchand P, Comita LS, Wright SJ, Condit R, Hubbell SP, Beckman NG. Seed-to-seedling transitions exhibit distance-dependent mortality but no strong spacing effects in a Neotropical forest. Ecology 2019; 101:e02926. [PMID: 31729025 DOI: 10.1002/ecy.2926] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2019] [Revised: 09/16/2019] [Accepted: 10/03/2019] [Indexed: 11/10/2022]
Abstract
Patterns of seed dispersal and seed mortality influence the spatial structure of plant communities and the local coexistence of competing species. Most seeds are dispersed in proximity to the parent tree, where mortality is also expected to be the highest, because of competition with siblings or the attraction of natural enemies. Whereas distance-dependent mortality in the seed-to-seedling transition was often observed in tropical forests, few studies have attempted to estimate the shape of the survival-distance curves, which determines whether the peak of seedling establishment occurs away from the parent tree (Janzen-Connell pattern) or if the peak attenuates but remains at the parent location (Hubbell pattern). In this study, we inferred the probability density of seed dispersal and two stages of seedling establishment (new recruits, and seedlings 20 cm or taller) with distance for 24 tree species present in the 50-ha Forest Dynamics Plot of Barro Colorado Island, Panama. Using data from seed traps, seedling survey quadrats, and tree-census records spanning the 1988-2014 period, we fit hierarchical Bayesian models including parameters for tree fecundity, the shape of the dispersal kernel, and overdispersion of seed or seedling counts. We combined predictions from multiple dispersal kernels to obtain more robust inferences. We find that Hubbell patterns are the most common and Janzen-Connell patterns are very rare among those species; that distance-dependent mortality may be stronger in the seed stage, in the early recruit stage, or comparable in both; and that species with larger seeds experience less overall mortality and less distance-dependent mortality. Finally, we describe how this modeling approach could be extended at a community scale to include less abundant species.
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Affiliation(s)
- Philippe Marchand
- Institut de recherche sur les forêts, Université du Québec en Abitibi-Témiscamingue, Rouyn-Noranda, QC, J9X 5E4, Canada
| | - Liza S Comita
- School of Forestry & Environmental Studies, Yale University, New Haven, Connecticut, 06511, USA
| | - S Joseph Wright
- Smithsonian Tropical Research Institute, Panama City, 0843-03092, Panama
| | - Richard Condit
- Field Museum of Natural History, Chicago, Illinois, 60605, USA.,Morton Arboretum, Lisle, Illinois, 60532, USA
| | - Stephen P Hubbell
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, 90095, California, USA
| | - Noelle G Beckman
- Department of Biology and Ecology Center, Utah State University, Logan, Utah, 84322, USA
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18
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Fung T, Chisholm RA, Anderson-Teixeira K, Bourg N, Brockelman WY, Bunyavejchewin S, Chang-Yang CH, Chitra-Tarak R, Chuyong G, Condit R, Dattaraja HS, Davies SJ, Ewango CEN, Fewless G, Fletcher C, Gunatilleke CVS, Gunatilleke IAUN, Hao Z, Hogan JA, Howe R, Hsieh CF, Kenfack D, Lin Y, Ma K, Makana JR, McMahon S, McShea WJ, Mi X, Nathalang A, Ong PS, Parker G, Rau EP, Shue J, Su SH, Sukumar R, Sun IF, Suresh HS, Tan S, Thomas D, Thompson J, Valencia R, Vallejo MI, Wang X, Wang Y, Wijekoon P, Wolf A, Yap S, Zimmerman J. Temporal population variability in local forest communities has mixed effects on tree species richness across a latitudinal gradient. Ecol Lett 2019; 23:160-171. [PMID: 31698546 DOI: 10.1111/ele.13412] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Revised: 07/04/2019] [Accepted: 09/29/2019] [Indexed: 11/28/2022]
Abstract
Among the local processes that determine species diversity in ecological communities, fluctuation-dependent mechanisms that are mediated by temporal variability in the abundances of species populations have received significant attention. Higher temporal variability in the abundances of species populations can increase the strength of temporal niche partitioning but can also increase the risk of species extinctions, such that the net effect on species coexistence is not clear. We quantified this temporal population variability for tree species in 21 large forest plots and found much greater variability for higher latitude plots with fewer tree species. A fitted mechanistic model showed that among the forest plots, the net effect of temporal population variability on tree species coexistence was usually negative, but sometimes positive or negligible. Therefore, our results suggest that temporal variability in the abundances of species populations has no clear negative or positive contribution to the latitudinal gradient in tree species richness.
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Affiliation(s)
- Tak Fung
- Department of Biological Sciences, National University of Singapore, 16 Science Drive 4, Singapore, 117558, Singapore
| | - Ryan A Chisholm
- Department of Biological Sciences, National University of Singapore, 16 Science Drive 4, Singapore, 117558, Singapore
| | - Kristina Anderson-Teixeira
- Smithsonian Tropical Research Institute, Balboa, Ancón, Republic of Panamá.,Smithsonian Conservation Biology Institute, 1500 Remount Road, Front Royal, Virginia, 22630, USA
| | - Norm Bourg
- Smithsonian Conservation Biology Institute, 1500 Remount Road, Front Royal, Virginia, 22630, USA
| | - Warren Y Brockelman
- National Biobank of Thailand, BIOTEC, National Science and Technology Development Agency, Science Park, Klong Luang, Pathum Thani, Thailand.,Institute of Molecular Biosciences, Mahidol University, Salaya, Nakhon Pathom, Thailand
| | - Sarayudh Bunyavejchewin
- Research Office, Department of National Parks, Wildlife and Plant Conservation, Bangkok, 10900, Thailand
| | - Chia-Hao Chang-Yang
- Department of Biological Sciences, National Sun Yat-sen University, Kaohsiung
| | - Rutuja Chitra-Tarak
- Los Alamos National Laboratory, Los Alamos, P.O. Box 1663, New Mexico, 87545, USA
| | - George Chuyong
- Department of Botany and Plant Physiology, University of Buea, PO Box 63, Buea, SWP, Cameroon
| | - Richard Condit
- Field Museum of Natural History, 1400 S Lake Shore Dr, Chicago, IL, 60605, USA
| | | | - Stuart J Davies
- Smithsonian Institution Global Earth Observatory, Center for Tropical Forest Science, Smithsonian Institution, P.O. Box 37012, Washington, 20013, USA
| | | | - Gary Fewless
- Department of Natural and Applied Sciences, Lab Sciences 413, University of Wisconsin-Green Bay, 2420 Nicolet Drive, Green Bay, Wisconsin, 54311, USA
| | - Christine Fletcher
- Forest Research Institute Malaysia, 52109, Kepong, Selangor Darul Ehsan, Malaysia
| | - C V Savitri Gunatilleke
- Faculty of Science, Department of Botany, University of Peradeniya, Peradeniya, 20400, Sri Lanka
| | - I A U Nimal Gunatilleke
- Faculty of Science, Department of Botany, University of Peradeniya, Peradeniya, 20400, Sri Lanka
| | - Zhanqing Hao
- Key Laboratory of Forest Ecology and Management, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, Liaoning
| | - J Aaron Hogan
- International Center for Tropical Botany, Department of Biological Sciences, Florida International University, Miami, Florida, 33199, USA
| | - Robert Howe
- Department of Natural and Applied Sciences, Lab Sciences 413, University of Wisconsin-Green Bay, 2420 Nicolet Drive, Green Bay, Wisconsin, 54311, USA
| | - Chang-Fu Hsieh
- Institute of Ecology and Evolutionary Biology, National Taiwan University, Taipei
| | - David Kenfack
- Smithsonian Institution Global Earth Observatory, Center for Tropical Forest Science, Smithsonian Institution, P.O. Box 37012, Washington, 20013, USA
| | - YiChing Lin
- Department of Life Science, Tunghai University, Taichung
| | - Keping Ma
- Institute of Botany, Chinese Academy of Sciences, Xiangshan, Beijing
| | | | - Sean McMahon
- Smithsonian Environmental Research Center, P.O. Box 28, Edgewater, Maryland, 21037, USA
| | - William J McShea
- Smithsonian Conservation Biology Institute, 1500 Remount Road, Front Royal, Virginia, 22630, USA
| | - Xiangcheng Mi
- Institute of Botany, Chinese Academy of Sciences, Xiangshan, Beijing
| | - Anuttara Nathalang
- National Center for Genetic Engineering and Biotechnology, 113 Thailand Science Park, Klong Luang, Pathum Thani, 12120, Thailand
| | - Perry S Ong
- Institute of Biology, University of the Philippines, Diliman, Quezon City, Philippines
| | - Geoffrey Parker
- Smithsonian Environmental Research Center, P.O. Box 28, Edgewater, Maryland, 21037, USA
| | - E-Ping Rau
- Master 1 Mention Écologie, Université Toulouse III Paul Sabatier, Toulouse, France
| | - Jessica Shue
- Smithsonian Environmental Research Center, P.O. Box 28, Edgewater, Maryland, 21037, USA
| | - Sheng-Hsin Su
- Forest Management Division, Taiwan Forestry Research Institute, Taipei
| | - Raman Sukumar
- Centre for Ecological Sciences, Indian Institute of Science, Bangalore, 560012, India.,Divecha Centre for Climate Change, Indian Institute of Science, Bangalore, 560012, India
| | - I-Fang Sun
- Department of Natural Resources and Environmental Studies, National Dong Hwa University, Hualien
| | - Hebbalalu S Suresh
- Centre for Ecological Sciences, Indian Institute of Science, Bangalore, 560012, India.,Divecha Centre for Climate Change, Indian Institute of Science, Bangalore, 560012, India
| | - Sylvester Tan
- Smithsonian Institution Global Earth Observatory, Center for Tropical Forest Science, Smithsonian Institution, P.O. Box 37012, Washington, 20013, USA
| | - Duncan Thomas
- Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR, 97331, USA
| | - Jill Thompson
- Department of Environmental Science, University of Puerto Rico, P.O. Box 70377, San Juan, PR, 00936-8377, USA.,Centre for Ecology & Hydrology, Bush Estate, Penicuik, Midlothian, EH26 0QB, UK
| | - Renato Valencia
- Departamento de Ciencias Biológicas, Pontificia Universidad Católica del Ecuador, Apartado 17-01-2184, Quito, Ecuador
| | - Martha I Vallejo
- Calle 37, Instituto Alexander von Humboldt, Number 8-40 Mezzanine, Bogotá, Colombia
| | - Xugao Wang
- Key Laboratory of Forest Ecology and Management, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, Liaoning
| | - Yunquan Wang
- Institute of Botany, Chinese Academy of Sciences, Xiangshan, Beijing
| | - Pushpa Wijekoon
- Faculty of Science, Department of Statistics & Computer Science, University of Peradeniya, Peradeniya, 20400, Sri Lanka
| | - Amy Wolf
- Department of Natural and Applied Sciences, Lab Sciences 413, University of Wisconsin-Green Bay, 2420 Nicolet Drive, Green Bay, Wisconsin, 54311, USA
| | - Sandra Yap
- Institute of Arts and Sciences, Far Eastern University Manila, Manila, Philippines
| | - Jess Zimmerman
- Department of Environmental Science, University of Puerto Rico, P.O. Box 70377, San Juan, PR, 00936-8377, USA
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19
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Schepaschenko D, Chave J, Phillips OL, Lewis SL, Davies SJ, Réjou-Méchain M, Sist P, Scipal K, Perger C, Herault B, Labrière N, Hofhansl F, Affum-Baffoe K, Aleinikov A, Alonso A, Amani C, Araujo-Murakami A, Armston J, Arroyo L, Ascarrunz N, Azevedo C, Baker T, Bałazy R, Bedeau C, Berry N, Bilous AM, Bilous SY, Bissiengou P, Blanc L, Bobkova KS, Braslavskaya T, Brienen R, Burslem DFRP, Condit R, Cuni-Sanchez A, Danilina D, Del Castillo Torres D, Derroire G, Descroix L, Sotta ED, d'Oliveira MVN, Dresel C, Erwin T, Evdokimenko MD, Falck J, Feldpausch TR, Foli EG, Foster R, Fritz S, Garcia-Abril AD, Gornov A, Gornova M, Gothard-Bassébé E, Gourlet-Fleury S, Guedes M, Hamer KC, Susanty FH, Higuchi N, Coronado ENH, Hubau W, Hubbell S, Ilstedt U, Ivanov VV, Kanashiro M, Karlsson A, Karminov VN, Killeen T, Koffi JCK, Konovalova M, Kraxner F, Krejza J, Krisnawati H, Krivobokov LV, Kuznetsov MA, Lakyda I, Lakyda PI, Licona JC, Lucas RM, Lukina N, Lussetti D, Malhi Y, Manzanera JA, Marimon B, Junior BHM, Martinez RV, Martynenko OV, Matsala M, Matyashuk RK, Mazzei L, Memiaghe H, Mendoza C, Mendoza AM, Moroziuk OV, Mukhortova L, Musa S, Nazimova DI, Okuda T, Oliveira LC, Ontikov PV, Osipov AF, Pietsch S, Playfair M, Poulsen J, Radchenko VG, Rodney K, Rozak AH, Ruschel A, Rutishauser E, See L, Shchepashchenko M, Shevchenko N, Shvidenko A, Silveira M, Singh J, Sonké B, Souza C, Stereńczak K, Stonozhenko L, Sullivan MJP, Szatniewska J, Taedoumg H, Ter Steege H, Tikhonova E, Toledo M, Trefilova OV, Valbuena R, Gamarra LV, Vasiliev S, Vedrova EF, Verhovets SV, Vidal E, Vladimirova NA, Vleminckx J, Vos VA, Vozmitel FK, Wanek W, West TAP, Woell H, Woods JT, Wortel V, Yamada T, Nur Hajar ZS, Zo-Bi IC. The Forest Observation System, building a global reference dataset for remote sensing of forest biomass. Sci Data 2019; 6:198. [PMID: 31601817 PMCID: PMC6787017 DOI: 10.1038/s41597-019-0196-1] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Accepted: 08/19/2019] [Indexed: 11/09/2022] Open
Abstract
Forest biomass is an essential indicator for monitoring the Earth's ecosystems and climate. It is a critical input to greenhouse gas accounting, estimation of carbon losses and forest degradation, assessment of renewable energy potential, and for developing climate change mitigation policies such as REDD+, among others. Wall-to-wall mapping of aboveground biomass (AGB) is now possible with satellite remote sensing (RS). However, RS methods require extant, up-to-date, reliable, representative and comparable in situ data for calibration and validation. Here, we present the Forest Observation System (FOS) initiative, an international cooperation to establish and maintain a global in situ forest biomass database. AGB and canopy height estimates with their associated uncertainties are derived at a 0.25 ha scale from field measurements made in permanent research plots across the world's forests. All plot estimates are geolocated and have a size that allows for direct comparison with many RS measurements. The FOS offers the potential to improve the accuracy of RS-based biomass products while developing new synergies between the RS and ground-based ecosystem research communities.
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Affiliation(s)
- Dmitry Schepaschenko
- Ecosystems Services and Management Program, International Institute for Applied Systems Analysis, Laxenburg, A-2361, Austria.
- Forestry faculty, Bauman Moscow State Technical University, Mytischi, 141005, Russia.
| | - Jérôme Chave
- Laboratoire Evolution et Diversité Biologique CNRS/Université Paul Sabatier, Toulouse, France
| | | | - Simon L Lewis
- School of Geography, University of Leeds, Leeds, LS2 9JT, UK
- University College London, 30 Guilford Street, London, WC1N 1EH, UK
| | - Stuart J Davies
- Forest Global Earth Observatory, Smithsonian Tropical Research Institute, P.O. Box 37012, Washington 20013, USA
| | | | - Plinio Sist
- CIRAD, Forêts et Sociétés, Campus International de Baillarguet, Montpellier, F-34398, France
- Forêts et Sociétés, Univ Montpellier, CIRAD, Montpellier, F-34398, France
| | - Klaus Scipal
- European Space Agency, ESTEC, Noordwijk, The Netherlands
| | - Christoph Perger
- Ecosystems Services and Management Program, International Institute for Applied Systems Analysis, Laxenburg, A-2361, Austria
- Spatial Focus GmbH, Vienna, Austria
| | - Bruno Herault
- CIRAD, Forêts et Sociétés, Campus International de Baillarguet, Montpellier, F-34398, France
- Forêts et Sociétés, Univ Montpellier, CIRAD, Montpellier, F-34398, France
- Department Foresterie et Environnement (DFR FOREN), Institut National Polytechnique Félix Houphouët-Boigny, INP-HB, Yamoussoukro, BP 2661, Côte d'Ivoire
| | - Nicolas Labrière
- Laboratoire Evolution et Diversité Biologique CNRS/Université Paul Sabatier, Toulouse, France
| | - Florian Hofhansl
- Ecosystems Services and Management Program, International Institute for Applied Systems Analysis, Laxenburg, A-2361, Austria
| | - Kofi Affum-Baffoe
- Mensuration Unit, Forestry Commission of Ghana, 4 Third Avenue Ridge, Kumasi, POB M434, Ghana
| | - Alexei Aleinikov
- Center of Forest Ecology and Productivity of the Russian Academy of Sciences, Profsoyuznaya 84/32/14, Moscow, 117997, Russia
| | - Alfonso Alonso
- Smithsonian Conservation Biology Institute, 1100 Jefferson Dr SW, Suite 3123, Washington, DC, 20560-0705, USA
| | - Christian Amani
- Centre for International Forestry Research, CIFOR, Jalan CIFOR, Situ Gede, Bogor, 16115, Indonesia
| | | | - John Armston
- Department of Geographical Sciences, University of Maryland, 2181 Lefrak Hall, College Park, MD, 20742, USA
- Joint Remote Sensing Research Program, School of Earth and Environmental Sciences, University of Queensland, Chamberlain Building (35), Campbell Road, St Lucia Campus, Brisbane, 4072, Australia
| | - Luzmila Arroyo
- Museo de Historia Natural Noel Kempff Mercado, Universidad Autónoma Gabriel Rene Moreno Av. Irala 565 - casilla, 2489, Santa Cruz, Bolivia
| | - Nataly Ascarrunz
- IBIF, Instituto Boliviano de Investigacion Forestal, Av. 6 de agosto # 28, Km 14 doble via La Guardia, Santa Cruz, Casilla, 6204, Bolivia
| | - Celso Azevedo
- Embrapa, Rodovia AM 10, km 29, Manaus, AM, 69010-970, Brazil
| | - Timothy Baker
- School of Geography, University of Leeds, Leeds, LS2 9JT, UK
| | - Radomir Bałazy
- Forest Research Institute, Department of Geomatics, Braci Leśnej 3, Sękocin Stary, Raszyn, 05-090, Poland
| | - Caroline Bedeau
- ONF, ONF-Réserve de Montabo Cayenne Cedex, Cayenne, BP 7002; 97307, French Guiana
| | - Nicholas Berry
- The Landscapes and Livelihoods Group, 20 Chambers St, Edinburgh, EH1 1JZ, UK
| | - Andrii M Bilous
- National University of Life and Environmental Sciences of Ukraine, General Rodimtsev 19, Kyiv, 3041, Ukraine
| | - Svitlana Yu Bilous
- National University of Life and Environmental Sciences of Ukraine, General Rodimtsev 19, Kyiv, 3041, Ukraine
| | | | - Lilian Blanc
- CIRAD, Forêts et Sociétés, Campus International de Baillarguet, Montpellier, F-34398, France
- Forêts et Sociétés, Univ Montpellier, CIRAD, Montpellier, F-34398, France
| | - Kapitolina S Bobkova
- Institute of Biology, Komi Scientific Center, Ural Branch of Russian Academy of Sciences, Kommunisticheskaya 28, Syktyvkar, 167982, Russia
| | - Tatyana Braslavskaya
- Center of Forest Ecology and Productivity of the Russian Academy of Sciences, Profsoyuznaya 84/32/14, Moscow, 117997, Russia
| | - Roel Brienen
- School of Geography, University of Leeds, Leeds, LS2 9JT, UK
| | - David F R P Burslem
- School of Biological Sciences, University of Aberdeen, Cruickshank Building, St Machar Drive, Aberdeen, AB24 3UU, UK
| | - Richard Condit
- Morton Arboretum, 4100 Illinois Rte. 53, Lisle, 60532, IL, USA
| | - Aida Cuni-Sanchez
- Department of Environment and Geography, University of York, Heslington, York, YO10 5NG, UK
| | - Dilshad Danilina
- V.N. Sukachev Institute of Forest, Siberian Branch of the Russian Academy of Science, Academgorodok 50(28), Krasnoyarsk, 660036, Russia
| | - Dennis Del Castillo Torres
- Instituto de Investigaciones de la Amazonía Peruana, Av. Abelardo Quiñones km 2.5, Iquitos, Apartado Postal 784, Peru
| | - Géraldine Derroire
- CIRAD, UMR EcoFoG, Campus Agronomique - BP 701, Kourou, 97387, France, French Guiana
| | - Laurent Descroix
- ONF, ONF-Réserve de Montabo Cayenne Cedex, Cayenne, BP 7002; 97307, French Guiana
| | - Eleneide Doff Sotta
- Embrapa, Rodovia Juscelino Kubitscheck, Km 5, no 2.600, Macapa, Caixa Postal 10, CEP: 68903-419, Brazil
| | | | - Christopher Dresel
- Ecosystems Services and Management Program, International Institute for Applied Systems Analysis, Laxenburg, A-2361, Austria
- Spatial Focus GmbH, Vienna, Austria
| | - Terry Erwin
- SI Entomology, Smithsonian Institution, PO Box 37012, MRC 187, Washington, DC, DC 20013-7012, USA
| | - Mikhail D Evdokimenko
- V.N. Sukachev Institute of Forest, Siberian Branch of the Russian Academy of Science, Academgorodok 50(28), Krasnoyarsk, 660036, Russia
| | - Jan Falck
- Department Forest Ecology and Management, The Swedish University of Agricultural Sciences, SLU, Umeå, SE-901 83, Sweden
| | - Ted R Feldpausch
- Geography, College of Life and Environmental Sciences, University of Exeter,Laver Building, North Park Road, Exeter, EX4 4QE, UK
| | - Ernest G Foli
- Forestry Research Institute of Ghana, UP Box 63, KNUST, Kumasi, Ghana
| | - Robin Foster
- The Field Musium, 1400S Lake Shore Dr, Chicago, IL, 60605, USA
| | - Steffen Fritz
- Ecosystems Services and Management Program, International Institute for Applied Systems Analysis, Laxenburg, A-2361, Austria
| | | | - Aleksey Gornov
- Center of Forest Ecology and Productivity of the Russian Academy of Sciences, Profsoyuznaya 84/32/14, Moscow, 117997, Russia
| | - Maria Gornova
- Center of Forest Ecology and Productivity of the Russian Academy of Sciences, Profsoyuznaya 84/32/14, Moscow, 117997, Russia
| | - Ernest Gothard-Bassébé
- Institut Centrafricain de Recherche Agronomique, ICRA, BP 122, Bangui, Central African Republic
| | - Sylvie Gourlet-Fleury
- CIRAD, Forêts et Sociétés, Campus International de Baillarguet, Montpellier, F-34398, France
- Forêts et Sociétés, Univ Montpellier, CIRAD, Montpellier, F-34398, France
| | - Marcelino Guedes
- Embrapa, Rodovia Juscelino Kubitscheck, Km 5, no 2.600, Macapa, Caixa Postal 10, CEP: 68903-419, Brazil
| | - Keith C Hamer
- School of Biology, University of Leeds, Leeds, LS2 9JT, UK
| | - Farida Herry Susanty
- FOERDIA, Forestry and Environment Research Development and Innovation Agency, Jalan Gunung Batu No 5, Bogor, 16610, Indonesia
| | - Niro Higuchi
- Instituto Nacional de Pesquisas da Amazônia - Coordenação de Pesquisas em Silvicultura Tropical, Manaus, 69060-001, Brazil
| | - Eurídice N Honorio Coronado
- Instituto de Investigaciones de la Amazonía Peruana, Av. Abelardo Quiñones km 2.5, Iquitos, Apartado Postal 784, Peru
| | - Wannes Hubau
- School of Geography, University of Leeds, Leeds, LS2 9JT, UK
- U Gent-Woodlab, Laboratory of Wood Technology, Department of Environment, Ghent University, Ghent, 9000, Belgium
| | - Stephen Hubbell
- Department of Ecology and Evolutionary Biology, University of California, 621 Charles E. Young Dr. South, Los Angeles, CA, 90095-1606, USA
| | - Ulrik Ilstedt
- Department Forest Ecology and Management, The Swedish University of Agricultural Sciences, SLU, Umeå, SE-901 83, Sweden
| | - Viktor V Ivanov
- V.N. Sukachev Institute of Forest, Siberian Branch of the Russian Academy of Science, Academgorodok 50(28), Krasnoyarsk, 660036, Russia
| | - Milton Kanashiro
- Embrapa Amazonia Oriental, Travessa Doutor Enéas Pinheiro, Belém, PA, 66095-903, Brazil
| | - Anders Karlsson
- Department Forest Ecology and Management, The Swedish University of Agricultural Sciences, SLU, Umeå, SE-901 83, Sweden
| | - Viktor N Karminov
- Center of Forest Ecology and Productivity of the Russian Academy of Sciences, Profsoyuznaya 84/32/14, Moscow, 117997, Russia
| | - Timothy Killeen
- World Wildlife Fund, Calle Diego de Mendoza 299, Santa Cruz de la Sierra, Bolivia
| | | | - Maria Konovalova
- V.N. Sukachev Institute of Forest, Siberian Branch of the Russian Academy of Science, Academgorodok 50(28), Krasnoyarsk, 660036, Russia
| | - Florian Kraxner
- Ecosystems Services and Management Program, International Institute for Applied Systems Analysis, Laxenburg, A-2361, Austria
| | - Jan Krejza
- Global Change Research Institute CAS, Bělidla 986/4a, Brno, 603 00, Czech Republic
| | - Haruni Krisnawati
- FOERDIA, Forestry and Environment Research Development and Innovation Agency, Jalan Gunung Batu No 5, Bogor, 16610, Indonesia
| | - Leonid V Krivobokov
- V.N. Sukachev Institute of Forest, Siberian Branch of the Russian Academy of Science, Academgorodok 50(28), Krasnoyarsk, 660036, Russia
| | - Mikhail A Kuznetsov
- Institute of Biology, Komi Scientific Center, Ural Branch of Russian Academy of Sciences, Kommunisticheskaya 28, Syktyvkar, 167982, Russia
| | - Ivan Lakyda
- National University of Life and Environmental Sciences of Ukraine, General Rodimtsev 19, Kyiv, 3041, Ukraine
| | - Petro I Lakyda
- National University of Life and Environmental Sciences of Ukraine, General Rodimtsev 19, Kyiv, 3041, Ukraine
| | - Juan Carlos Licona
- IBIF, Instituto Boliviano de Investigacion Forestal, Av. 6 de agosto # 28, Km 14 doble via La Guardia, Santa Cruz, Casilla, 6204, Bolivia
| | - Richard M Lucas
- Department of Geography and Earth Sciences, Aberystwyth University, Aberystwyth, SY23 3DB, UK
| | - Natalia Lukina
- Center of Forest Ecology and Productivity of the Russian Academy of Sciences, Profsoyuznaya 84/32/14, Moscow, 117997, Russia
| | - Daniel Lussetti
- Department Forest Ecology and Management, The Swedish University of Agricultural Sciences, SLU, Umeå, SE-901 83, Sweden
| | - Yadvinder Malhi
- School of Geography and the Environment, University of Oxford, Oxford, OX1 3QY, UK
| | | | - Beatriz Marimon
- Laboratório de Ecologia Vegetal, Universidade do Estado de Mato Grosso, UNEMAT, Campus de Nova Xavantina, Nova Xavantina, Mato Grosso, 78.690-000, Brazil
| | - Ben Hur Marimon Junior
- Laboratório de Ecologia Vegetal, Universidade do Estado de Mato Grosso, UNEMAT, Campus de Nova Xavantina, Nova Xavantina, Mato Grosso, 78.690-000, Brazil
| | | | - Olga V Martynenko
- Russian Institute of Continuous Education in Forestry, Institutskaya 17, Pushkino, 141200, Russia
| | - Maksym Matsala
- National University of Life and Environmental Sciences of Ukraine, General Rodimtsev 19, Kyiv, 3041, Ukraine
| | - Raisa K Matyashuk
- Institute for Evolutionary Ecology of the National Academy of Sciences of Ukraine, Lebedev 37, Kyiv, 03143, Ukraine
| | - Lucas Mazzei
- Embrapa Amazonia Oriental, Travessa Doutor Enéas Pinheiro, Belém, PA, 66095-903, Brazil
| | - Hervé Memiaghe
- University of Oregon, 1585 E 13th Ave, Eugene, OR, 97403, USA
| | | | - Abel Monteagudo Mendoza
- Jardín Botánico de Missouri; Universidad Nacional de San Antonio Abad del Cusco, Oxapampa, Peru
| | - Olga V Moroziuk
- National University of Life and Environmental Sciences of Ukraine, General Rodimtsev 19, Kyiv, 3041, Ukraine
| | - Liudmila Mukhortova
- V.N. Sukachev Institute of Forest, Siberian Branch of the Russian Academy of Science, Academgorodok 50(28), Krasnoyarsk, 660036, Russia
| | - Samsudin Musa
- FRIM Forest Reserach Institute of Malaysia, 52109 Kepong, Selangor, Kuala Lumpur, Malaysia
| | - Dina I Nazimova
- V.N. Sukachev Institute of Forest, Siberian Branch of the Russian Academy of Science, Academgorodok 50(28), Krasnoyarsk, 660036, Russia
| | - Toshinori Okuda
- Hiroshima University, 1-7-1 Kagamiyama, Higashi-Hiroshima, Hiroshima, 739-8521, Japan
| | | | - Petr V Ontikov
- Forestry faculty, Bauman Moscow State Technical University, Mytischi, 141005, Russia
| | - Andrey F Osipov
- Institute of Biology, Komi Scientific Center, Ural Branch of Russian Academy of Sciences, Kommunisticheskaya 28, Syktyvkar, 167982, Russia
| | - Stephan Pietsch
- Ecosystems Services and Management Program, International Institute for Applied Systems Analysis, Laxenburg, A-2361, Austria
| | - Maureen Playfair
- Center for Agricultural research in Suriname, CELOS, 1914, Paramaribo, Suriname
| | - John Poulsen
- Nicholas School of the Environment, Duke University, P.O. Box 90328, Durham, NC, 27708, USA
| | - Vladimir G Radchenko
- Institute for Evolutionary Ecology of the National Academy of Sciences of Ukraine, Lebedev 37, Kyiv, 03143, Ukraine
| | - Kenneth Rodney
- IIC, The Iwokrama International Centre for Rain Forest Conservation and Development, 77 High Street, Georgetown, Guyana
| | - Andes H Rozak
- Cibodas Botanic Gardens - Indonesian Institute of Sciences (LIPI), Jl. Kebun Raya Cibodas, Cipanas, Cianjur, 43253, Indonesia
| | - Ademir Ruschel
- Embrapa Amazonia Oriental, Travessa Doutor Enéas Pinheiro, Belém, PA, 66095-903, Brazil
| | - Ervan Rutishauser
- Smithsonian Tropical Research Institute, Balboa, Ancon, Panama 3092, Panama
| | - Linda See
- Ecosystems Services and Management Program, International Institute for Applied Systems Analysis, Laxenburg, A-2361, Austria
| | - Maria Shchepashchenko
- Russian Institute of Continuous Education in Forestry, Institutskaya 17, Pushkino, 141200, Russia
| | - Nikolay Shevchenko
- Center of Forest Ecology and Productivity of the Russian Academy of Sciences, Profsoyuznaya 84/32/14, Moscow, 117997, Russia
| | - Anatoly Shvidenko
- Ecosystems Services and Management Program, International Institute for Applied Systems Analysis, Laxenburg, A-2361, Austria
- V.N. Sukachev Institute of Forest, Siberian Branch of the Russian Academy of Science, Academgorodok 50(28), Krasnoyarsk, 660036, Russia
| | - Marcos Silveira
- Museu Universitário, Universidade Federal do Acre, BR 364, Km 04 - Distrito Industrial, Rio Branco, 69915-559, Brazil
| | - James Singh
- Guyana Forestry Commission, 1 Water Street, Kingston Georgetown, Guyana
| | - Bonaventure Sonké
- Plant Systematic and Ecology Laboratory, University of Yaoundé I, P.O. Box 047, Yaounde, Cameroon
| | - Cintia Souza
- Embrapa, Rodovia AM 10, km 29, Manaus, AM, 69010-970, Brazil
| | - Krzysztof Stereńczak
- Forest Research Institute, Department of Geomatics, Braci Leśnej 3, Sękocin Stary, Raszyn, 05-090, Poland
| | - Leonid Stonozhenko
- Russian Institute of Continuous Education in Forestry, Institutskaya 17, Pushkino, 141200, Russia
| | | | - Justyna Szatniewska
- Global Change Research Institute CAS, Bělidla 986/4a, Brno, 603 00, Czech Republic
| | - Hermann Taedoumg
- Plant Systematic and Ecology Laboratory, University of Yaoundé I, P.O. Box 047, Yaounde, Cameroon
- Bioversity international, P.O. Box 2008, Messa, Yaoundé, Cameroun
| | | | - Elena Tikhonova
- Center of Forest Ecology and Productivity of the Russian Academy of Sciences, Profsoyuznaya 84/32/14, Moscow, 117997, Russia
| | - Marisol Toledo
- Museo de Historia Natural Noel Kempff Mercado, Universidad Autónoma Gabriel Rene Moreno Av. Irala 565 - casilla, 2489, Santa Cruz, Bolivia
| | - Olga V Trefilova
- V.N. Sukachev Institute of Forest, Siberian Branch of the Russian Academy of Science, Academgorodok 50(28), Krasnoyarsk, 660036, Russia
| | - Ruben Valbuena
- School of Natural Sciences, Bangor University, Thoday Building. Deiniol Rd, Bangor, LL57 2UW, United Kingdom
| | - Luis Valenzuela Gamarra
- Jardín Botánico de Missouri; Universidad Nacional de San Antonio Abad del Cusco, Oxapampa, Peru
| | - Sergey Vasiliev
- Forestry faculty, Bauman Moscow State Technical University, Mytischi, 141005, Russia
| | - Estella F Vedrova
- V.N. Sukachev Institute of Forest, Siberian Branch of the Russian Academy of Science, Academgorodok 50(28), Krasnoyarsk, 660036, Russia
| | - Sergey V Verhovets
- Siberian Federal University, Svobodnyy Ave, 79, Krasnoyarsk, 660041, Russia
- Reshetnev Siberian state university of science and technology, pr. Mira 82, Krasnoyarsk, 660049, Russia
| | - Edson Vidal
- Department of Forest Sciences, Luiz de Queiroz College of Agriculture, University of Sao Paolo, PO Box 9, Av. Pádua Dias, 11, Piracicaba, São Paulo, 13418-900, Brazil
| | - Nadezhda A Vladimirova
- State Nature Reserve Denezhkin Kamen, Lenina, 6, Sverdlovsk reg, Severouralsk, 624480, Russia
| | - Jason Vleminckx
- International Center for Tropical Botany, Department of Biological Sciences, Florida International University, 11200 S.W. 8th Street, Miami, 33199, FL, USA
| | | | - Foma K Vozmitel
- Forestry faculty, Bauman Moscow State Technical University, Mytischi, 141005, Russia
| | - Wolfgang Wanek
- Department of Microbiology and Ecosystem Science, Division of Terrestrial Ecosystem research, University of Vienna, Althanstrasse 14, Vienna, A-1090, Austria
| | - Thales A P West
- New Zealand Forest Research Institute (Scion) Te Papa Tipu Innovation Park, 49 Sala Street, Rotorua, 3046, New Zealand
| | - Hannsjorg Woell
- Unaffiliated (retired), Sommersbergseestrasse 291, Bad Aussee, 8990, Austria
| | - John T Woods
- W.R.T College of Agriculture and Forestry, University of Liberia, Capitol Hill, Monrovia, 9020, Liberia
| | - Verginia Wortel
- Center for Agricultural research in Suriname, CELOS, 1914, Paramaribo, Suriname
| | - Toshihiro Yamada
- Hiroshima University, 1-7-1 Kagamiyama, Higashi-Hiroshima, Hiroshima, 739-8521, Japan
| | - Zamah Shari Nur Hajar
- FRIM Forest Research Institute of Malaysia, 52109 Kepong, Selangor, Kuala Lumpur, Malaysia
| | - Irié Casimir Zo-Bi
- Department Foresterie et Environnement (DFR FOREN), Institut National Polytechnique Félix Houphouët-Boigny, INP-HB, Yamoussoukro, BP 2661, Côte d'Ivoire
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Chen Y, Shen T, Van Chung H, Shi S, Jiang J, Condit R, Hubbell SP. Inferring multispecies distributional aggregation level from limited line transect‐derived biodiversity data. Methods Ecol Evol 2019. [DOI: 10.1111/2041-210x.13197] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Affiliation(s)
- Youhua Chen
- CAS Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization & Ecological Restoration and Biodiversity Conservation Key Laboratory of Sichuan Province Chengdu Institute of Biology Chinese Academy of Sciences Chengdu China
| | - Tsung‐Jen Shen
- Institute of Statistics & Department of Applied Mathematics National Chung Hsing University Taichung Taiwan
| | - Hoang Van Chung
- CAS Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization & Ecological Restoration and Biodiversity Conservation Key Laboratory of Sichuan Province Chengdu Institute of Biology Chinese Academy of Sciences Chengdu China
| | - Shengchao Shi
- CAS Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization & Ecological Restoration and Biodiversity Conservation Key Laboratory of Sichuan Province Chengdu Institute of Biology Chinese Academy of Sciences Chengdu China
| | - Jianping Jiang
- CAS Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization & Ecological Restoration and Biodiversity Conservation Key Laboratory of Sichuan Province Chengdu Institute of Biology Chinese Academy of Sciences Chengdu China
| | - Richard Condit
- Field Museum of Natural History Chicago IL
- Morton Arboretum Lisle IL
| | - Stephen P. Hubbell
- Smithsonian Tropical Research Institute Apartado, Balboa Panama
- Department of Ecology and Evolutionary Biology University of California Los Angeles CA
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21
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Rozendaal DMA, Bongers F, Aide TM, Alvarez-Dávila E, Ascarrunz N, Balvanera P, Becknell JM, Bentos TV, Brancalion PHS, Cabral GAL, Calvo-Rodriguez S, Chave J, César RG, Chazdon RL, Condit R, Dallinga JS, de Almeida-Cortez JS, de Jong B, de Oliveira A, Denslow JS, Dent DH, DeWalt SJ, Dupuy JM, Durán SM, Dutrieux LP, Espírito-Santo MM, Fandino MC, Fernandes GW, Finegan B, García H, Gonzalez N, Moser VG, Hall JS, Hernández-Stefanoni JL, Hubbell S, Jakovac CC, Hernández AJ, Junqueira AB, Kennard D, Larpin D, Letcher SG, Licona JC, Lebrija-Trejos E, Marín-Spiotta E, Martínez-Ramos M, Massoca PES, Meave JA, Mesquita RCG, Mora F, Müller SC, Muñoz R, de Oliveira Neto SN, Norden N, Nunes YRF, Ochoa-Gaona S, Ortiz-Malavassi E, Ostertag R, Peña-Claros M, Pérez-García EA, Piotto D, Powers JS, Aguilar-Cano J, Rodriguez-Buritica S, Rodríguez-Velázquez J, Romero-Romero MA, Ruíz J, Sanchez-Azofeifa A, de Almeida AS, Silver WL, Schwartz NB, Thomas WW, Toledo M, Uriarte M, de Sá Sampaio EV, van Breugel M, van der Wal H, Martins SV, Veloso MDM, Vester HFM, Vicentini A, Vieira ICG, Villa P, Williamson GB, Zanini KJ, Zimmerman J, Poorter L. Biodiversity recovery of Neotropical secondary forests. Sci Adv 2019; 5:eaau3114. [PMID: 30854424 PMCID: PMC6402850 DOI: 10.1126/sciadv.aau3114] [Citation(s) in RCA: 106] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Accepted: 01/25/2019] [Indexed: 05/07/2023]
Abstract
Old-growth tropical forests harbor an immense diversity of tree species but are rapidly being cleared, while secondary forests that regrow on abandoned agricultural lands increase in extent. We assess how tree species richness and composition recover during secondary succession across gradients in environmental conditions and anthropogenic disturbance in an unprecedented multisite analysis for the Neotropics. Secondary forests recover remarkably fast in species richness but slowly in species composition. Secondary forests take a median time of five decades to recover the species richness of old-growth forest (80% recovery after 20 years) based on rarefaction analysis. Full recovery of species composition takes centuries (only 34% recovery after 20 years). A dual strategy that maintains both old-growth forests and species-rich secondary forests is therefore crucial for biodiversity conservation in human-modified tropical landscapes.
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Affiliation(s)
- Danaë M. A. Rozendaal
- Forest Ecology and Forest Management Group, Wageningen University, P.O. Box 47, 6700 AA Wageningen, Netherlands
- Department of Biology, University of Regina, 3737 Wascana Parkway, Regina, SK S4S 0A2, Canada
- Department of Ecology and Evolutionary Biology, University of Connecticut, Storrs, CT 06269, USA
- Laboratory of Geo-Information Science and Remote Sensing, Wageningen University, P.O. Box 47, 6700 AA Wageningen, Netherlands
- Corresponding author.
| | - Frans Bongers
- Forest Ecology and Forest Management Group, Wageningen University, P.O. Box 47, 6700 AA Wageningen, Netherlands
| | - T. Mitchell Aide
- Department of Biology, University of Puerto Rico, P.O. Box 23360, San Juan, PR 00931-3360, Puerto Rico
| | - Esteban Alvarez-Dávila
- Escuela ECAPMA, UNAD, Calle 14 Sur No. 14-23, Bogotá, Colombia
- Fundación Con Vida, Avenida del Río # 20-114, Medellín, Colombia
| | - Nataly Ascarrunz
- Instituto Boliviano de Investigación Forestal (IBIF), Km 9 Carretera al Norte, El Vallecito, FCA-UAGRM, Santa Cruz de la Sierra, Bolivia
| | - Patricia Balvanera
- Instituto de Investigaciones en Ecosistemas y Sustentabilidad, Universidad Nacional Autónoma de México, CP 58190, Morelia, Michoacán, México
| | | | - Tony V. Bentos
- Biological Dynamics of Forest Fragments Project, Coordenação de Dinâmica Ambiental, Instituto Nacional de Pesquisas da Amazônia, Manaus, AM CEP 69067-375, Brazil
| | - Pedro H. S. Brancalion
- Department of Forest Sciences, “Luiz de Queiroz” College of Agriculture, University of São Paulo, Av. Pádua Dias, 11, 13418-900 Piracicaba, São Paulo, Brazil
| | - George A. L. Cabral
- Departamento de Botânica-CCB, Universidade Federal de Pernambuco, Pernambuco, CEP 50670-901, Brazil
| | - Sofia Calvo-Rodriguez
- Earth and Atmospheric Sciences Department, University of Alberta, Edmonton, AB T6G 2EG, Canada
| | - Jerome Chave
- Laboratoire Evolution et Diversité Biologique, UMR5174, CNRS/Université Paul Sabatier, Bâtiment 4R1, 118 route de Narbonne, F-31062 Toulouse cedex 9, France
| | - Ricardo G. César
- Department of Forest Sciences, “Luiz de Queiroz” College of Agriculture, University of São Paulo, Av. Pádua Dias, 11, 13418-900 Piracicaba, São Paulo, Brazil
| | - Robin L. Chazdon
- Department of Ecology and Evolutionary Biology, University of Connecticut, Storrs, CT 06269, USA
- International Institute for Sustainability, Estrada Dona Castorina 124, Horto, Rio de Janeiro, RJ 22460-320, Brazil
- Department of Ecology and Evolutionary Biology, Ramaley N122, University of Colorado, Boulder, CO 80309, USA
| | - Richard Condit
- SI ForestGEO, Smithsonian Tropical Research Institute, Roosevelt Ave., 401 Balboa, Ancon, Panama
| | - Jorn S. Dallinga
- Laboratory of Geo-Information Science and Remote Sensing, Wageningen University, P.O. Box 47, 6700 AA Wageningen, Netherlands
| | | | - Ben de Jong
- Department of Sustainability Science, El Colegio de la Frontera Sur, Av. Rancho Polígono 2-A, Ciudad Industrial, Lerma 24500, Campeche, Mexico
| | - Alexandre de Oliveira
- Departamento de Ecologia, Instituto de Biociências, Universidade de São Paulo, Rua do Matão, Travessa 14, no. 321, São Paulo CEP 05508-090, Brazil
| | - Julie S. Denslow
- Department of Ecology and Evolutionary Biology, Tulane University, New Orleans, LA 70118, USA
| | - Daisy H. Dent
- Smithsonian Tropical Research Institute, Roosevelt Ave., 401 Balboa, Ancon, Panama
- Biological and Environmental Sciences, University of Stirling, Stirling FK9 4LA, UK
| | - Saara J. DeWalt
- Department of Biological Sciences, Clemson University, 132 Long Hall, Clemson, SC 29634, USA
| | - Juan Manuel Dupuy
- Centro de Investigación Científica de Yucatán A.C. Unidad de Recursos Naturales, Calle 43 # 130 x 32 y 34, Colonia Chuburná de Hidalgo, C.P. 97200 Mérida, Yucatán, México
| | - Sandra M. Durán
- Earth and Atmospheric Sciences Department, University of Alberta, Edmonton, AB T6G 2EG, Canada
| | - Loïc P. Dutrieux
- Laboratory of Geo-Information Science and Remote Sensing, Wageningen University, P.O. Box 47, 6700 AA Wageningen, Netherlands
- National Commission for the Knowledge and Use of Biodiversity (CONABIO), Mexico City, C.P. 14010, México
| | - Mario M. Espírito-Santo
- Departamento de Biologia Geral, Universidade Estadual de Montes Claros, Montes Claros, Minas Gerais, CEP 39401-089, Brazil
| | - María C. Fandino
- Fondo Patrimonio Natural para la Biodiversidad y Areas Protegidas, Calle 72 No. 12-65 piso 6, Bogotá, Colombia
| | - G. Wilson Fernandes
- Ecologia Evolutiva & Biodiversidade/DBG, ICB/Universidade Federal de Minas Gerais, Belo Horizonte, MG 30161-901, Brazil
| | - Bryan Finegan
- Forests, Biodiversity and Climate Change Programme, CATIE – Centro Agronómico Tropical de Investigación y Enseñanza, Turrialba, Costa Rica
| | - Hernando García
- Instituto de Investigación de Recursos Biológicos Alexander von Humboldt, Calle 28A No. 15-09 Bogotá, Colombia
| | - Noel Gonzalez
- Departamento de Ingenierías, Instituto Tecnológico de Chiná, Tecnológico Nacional de México, Calle 11 s/n, entre 22 y 28, Chiná, 24520 Campeche, México
| | - Vanessa Granda Moser
- Graduate School, Tropical Agricultural Centre for Research and Higher Education (CATIE), Turrialba, Costa Rica
| | - Jefferson S. Hall
- SI ForestGEO, Smithsonian Tropical Research Institute, Roosevelt Ave., 401 Balboa, Ancon, Panama
| | - José Luis Hernández-Stefanoni
- Centro de Investigación Científica de Yucatán A.C. Unidad de Recursos Naturales, Calle 43 # 130 x 32 y 34, Colonia Chuburná de Hidalgo, C.P. 97200 Mérida, Yucatán, México
| | - Stephen Hubbell
- SI ForestGEO, Smithsonian Tropical Research Institute, Roosevelt Ave., 401 Balboa, Ancon, Panama
| | - Catarina C. Jakovac
- Biological Dynamics of Forest Fragments Project, Coordenação de Dinâmica Ambiental, Instituto Nacional de Pesquisas da Amazônia, Manaus, AM CEP 69067-375, Brazil
- International Institute for Sustainability, Estrada Dona Castorina 124, Horto, Rio de Janeiro, RJ 22460-320, Brazil
- Centre for Conservation and Sustainability Science (CSRio), Department of Geography and the Environment, Pontificial Catholic University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Alma Johanna Hernández
- Instituto de Investigación de Recursos Biológicos Alexander von Humboldt, Calle 28A No. 15-09 Bogotá, Colombia
| | - André B. Junqueira
- International Institute for Sustainability, Estrada Dona Castorina 124, Horto, Rio de Janeiro, RJ 22460-320, Brazil
- Centre for Conservation and Sustainability Science (CSRio), Department of Geography and the Environment, Pontificial Catholic University of Rio de Janeiro, Rio de Janeiro, Brazil
- Department of Soil Quality, Wageningen University, P.O. Box 47, 6700 AA, Wageningen, Netherlands
| | - Deborah Kennard
- Department of Physical and Environmental Sciences, Colorado Mesa University, 1100 North Avenue, Grand Junction, CO 81501, USA
| | - Denis Larpin
- Direction Générale Déléguée aux Musées et aux Jardins botaniques et zoologiques (DGD-MJZ), Direction des Jardins Botaniques, Muséum National d’Histoire Naturelle, 43 rue Buffon, 75005 Paris, France
| | - Susan G. Letcher
- Department of Environmental Studies, Purchase College (SUNY), 735 Anderson Hill Road, Purchase, NY 10577, USA
| | - Juan-Carlos Licona
- Instituto Boliviano de Investigación Forestal (IBIF), Km 9 Carretera al Norte, El Vallecito, FCA-UAGRM, Santa Cruz de la Sierra, Bolivia
| | - Edwin Lebrija-Trejos
- Department of Biology and the Environment, Faculty of Natural Sciences, University of Haifa-Oranim, Tivon 36006, Israel
| | - Erika Marín-Spiotta
- Department of Geography, University of Wisconsin–Madison, 550 North Park St., Madison, WI 53706, USA
| | - Miguel Martínez-Ramos
- Instituto de Investigaciones en Ecosistemas y Sustentabilidad, Universidad Nacional Autónoma de México, CP 58190, Morelia, Michoacán, México
| | - Paulo E. S. Massoca
- Biological Dynamics of Forest Fragments Project, Coordenação de Dinâmica Ambiental, Instituto Nacional de Pesquisas da Amazônia, Manaus, AM CEP 69067-375, Brazil
| | - Jorge A. Meave
- Departamento de Ecología y Recursos Naturales, Facultad de Ciencias, Universidad Nacional Autónoma de México, Mexico City, C.P. 04510, México
| | - Rita C. G. Mesquita
- Biological Dynamics of Forest Fragments Project, Coordenação de Dinâmica Ambiental, Instituto Nacional de Pesquisas da Amazônia, Manaus, AM CEP 69067-375, Brazil
| | - Francisco Mora
- Instituto de Investigaciones en Ecosistemas y Sustentabilidad, Universidad Nacional Autónoma de México, CP 58190, Morelia, Michoacán, México
| | - Sandra C. Müller
- Graduate Program in Ecology, Departamento de Ecologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Rodrigo Muñoz
- Departamento de Ecología y Recursos Naturales, Facultad de Ciencias, Universidad Nacional Autónoma de México, Mexico City, C.P. 04510, México
| | | | - Natalia Norden
- Instituto de Investigación de Recursos Biológicos Alexander von Humboldt, Calle 28A No. 15-09 Bogotá, Colombia
| | - Yule R. F. Nunes
- Departamento de Biologia Geral, Universidade Estadual de Montes Claros, Montes Claros, Minas Gerais, CEP 39401-089, Brazil
| | - Susana Ochoa-Gaona
- Department of Sustainability Science, El Colegio de la Frontera Sur, Av. Rancho Polígono 2-A, Ciudad Industrial, Lerma 24500, Campeche, Mexico
| | - Edgar Ortiz-Malavassi
- Instituto Tecnológico de Costa Rica, Escuela de Ingeniería Forestal, Cartago, Costa Rica
| | - Rebecca Ostertag
- Department of Biology, University of Hawai’i at Hilo, Hilo, HI 96720, USA
| | - Marielos Peña-Claros
- Forest Ecology and Forest Management Group, Wageningen University, P.O. Box 47, 6700 AA Wageningen, Netherlands
| | - Eduardo A. Pérez-García
- Departamento de Ecología y Recursos Naturales, Facultad de Ciencias, Universidad Nacional Autónoma de México, Mexico City, C.P. 04510, México
| | - Daniel Piotto
- Centro de Formação em Ciências Agroflorestais, Universidade Federal do Sul da Bahia, Itabuna-BA, 45613-204, Brazil
| | - Jennifer S. Powers
- Departments of Ecology, Evolution, and Behavior and Plant Biology, University of Minnesota, Saint Paul, MN 55108, USA
| | - José Aguilar-Cano
- Instituto de Investigación de Recursos Biológicos Alexander von Humboldt, Calle 28A No. 15-09 Bogotá, Colombia
| | - Susana Rodriguez-Buritica
- Instituto de Investigación de Recursos Biológicos Alexander von Humboldt, Calle 28A No. 15-09 Bogotá, Colombia
| | - Jorge Rodríguez-Velázquez
- Instituto de Investigaciones en Ecosistemas y Sustentabilidad, Universidad Nacional Autónoma de México, CP 58190, Morelia, Michoacán, México
| | - Marco Antonio Romero-Romero
- Departamento de Ecología y Recursos Naturales, Facultad de Ciencias, Universidad Nacional Autónoma de México, Mexico City, C.P. 04510, México
| | - Jorge Ruíz
- School of Social Sciences, Geography Area, Universidad Pedagogica y Tecnologica de Colombia (UPTC), Tunja, Colombia
- Department of Geography, 4841 Ellison Hall, University of California, Santa Barbara, Santa Barbara, CA 93106, USA
| | - Arturo Sanchez-Azofeifa
- Earth and Atmospheric Sciences Department, University of Alberta, Edmonton, AB T6G 2EG, Canada
| | | | - Whendee L. Silver
- Ecosystem Science Division, Department of Environmental Science, Policy, and Management, University of California, Berkeley, CA 94720, USA
| | - Naomi B. Schwartz
- Department of Ecology, Evolution and Environmental Biology, Columbia University, New York, NY, 10027, USA
| | - William Wayt Thomas
- Institute of Systematic Botany, The New York Botanical Garden, 2900 Southern Blvd., Bronx, NY 10458-5126, USA
| | - Marisol Toledo
- Instituto Boliviano de Investigación Forestal (IBIF), Km 9 Carretera al Norte, El Vallecito, FCA-UAGRM, Santa Cruz de la Sierra, Bolivia
| | - Maria Uriarte
- Department of Ecology, Evolution and Environmental Biology, Columbia University, New York, NY, 10027, USA
| | - Everardo Valadares de Sá Sampaio
- Departamento de Energia Nuclear -CTG, Universidade Federal de Pernambuco, Av. Prof. Luis Freire 1000, Recife, Pernambuco, CEP 50740-540, Brazil
| | - Michiel van Breugel
- SI ForestGEO, Smithsonian Tropical Research Institute, Roosevelt Ave., 401 Balboa, Ancon, Panama
- Yale-NUS College, 16 College Avenue West, Singapore 138610, Singapore
- Department of Biological Sciences, National University of Singapore, 14 Science Drive 4, Singapore 117543, Singapore
| | - Hans van der Wal
- Departamento de Agricultura, Sociedad y Ambiente, El Colegio de la Frontera Sur, Unidad Villahermosa, 86280 Centro Tabasco, México
| | | | - Maria D. M. Veloso
- Departamento de Biologia Geral, Universidade Estadual de Montes Claros, Montes Claros, Minas Gerais, CEP 39401-089, Brazil
| | - Hans F. M. Vester
- Institute for Biodiversity and Ecosystem Dynamics (IBED), University of Amsterdam, P.O. Box 94248, 1090 GE Amsterdam, Netherlands
| | - Alberto Vicentini
- Biological Dynamics of Forest Fragments Project, Coordenação de Dinâmica Ambiental, Instituto Nacional de Pesquisas da Amazônia, Manaus, AM CEP 69067-375, Brazil
| | - Ima C. G. Vieira
- Museu Paraense Emilio Goeldi, C.P. 399, CEP 66040-170, Belém, Pará, Brazil
| | - Pedro Villa
- Program of Botany, Departamento de Biologia Vegetal, Universidade Federal de Viçosa, Viçosa, Minas Gerais, Brazil
- Fundación para la Conservación de la Biodiversidad (ProBiodiversa), 5101 Mérida, Mérida, Venezuela
| | - G. Bruce Williamson
- Biological Dynamics of Forest Fragments Project, Coordenação de Dinâmica Ambiental, Instituto Nacional de Pesquisas da Amazônia, Manaus, AM CEP 69067-375, Brazil
- Department of Biological Sciences, Louisiana State University, Baton Rouge, LA 70803-1705, USA
| | - Kátia J. Zanini
- Graduate Program in Ecology, Departamento de Ecologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Jess Zimmerman
- Department of Environmental Sciences, University of Puerto Rico, Río Piedras Campus, San Juan, PR 00936, Puerto Rico
| | - Lourens Poorter
- Forest Ecology and Forest Management Group, Wageningen University, P.O. Box 47, 6700 AA Wageningen, Netherlands
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22
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Affiliation(s)
- Miquel De Cáceres
- Forest Sciences Center of Catalonia (CTFC) Carretera de Sant Llorenç, km.2 Solsona Catalonia E‐25280 Spain
- Center for Ecological Research and Forestry Applications (CREAF) Cerdanyola del Vallès Catalonia E‐08193 Spain
| | - Lluís Coll
- Forest Sciences Center of Catalonia (CTFC) Carretera de Sant Llorenç, km.2 Solsona Catalonia E‐25280 Spain
- Center for Ecological Research and Forestry Applications (CREAF) Cerdanyola del Vallès Catalonia E‐08193 Spain
- Department of Agriculture and Forest Engineering (EAGROF) University of Lleida Lleida E‐25198 Spain
| | - Pierre Legendre
- Département de Sciences Biologiques Université de Montréal CP 6128, Succursale Centre‐ville Montreal Quebec H3C 3J7 Canada
| | - Robert B. Allen
- Independent Researcher 8 Roblyn Place Lincoln 7608 New Zealand
| | - Susan K. Wiser
- Manaaki Whenua, Landcare Research P.O. Box 40 Lincoln 7640 New Zealand
| | - Marie‐Josée Fortin
- Department of Ecology and Evolutionary Biology University of Toronto 25 Willcocks Street Toronto Ontario M5S 3B2 Canada
| | - Richard Condit
- Smithsonian Tropical Research Institute Box 0843‐03092 Balboa Ancon Panama
| | - Stephen Hubbell
- Smithsonian Tropical Research Institute Box 0843‐03092 Balboa Ancon Panama
- Ecology and Evolutionary Biology University of California Los Angeles California 90095 USA
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23
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Chu C, Lutz JA, Král K, Vrška T, Yin X, Myers JA, Abiem I, Alonso A, Bourg N, Burslem DFRP, Cao M, Chapman H, Condit R, Fang S, Fischer GA, Gao L, Hao Z, Hau BCH, He Q, Hector A, Hubbell SP, Jiang M, Jin G, Kenfack D, Lai J, Li B, Li X, Li Y, Lian J, Lin L, Liu Y, Liu Y, Luo Y, Ma K, McShea W, Memiaghe H, Mi X, Ni M, O'Brien MJ, de Oliveira AA, Orwig DA, Parker GG, Qiao X, Ren H, Reynolds G, Sang W, Shen G, Su Z, Sui X, Sun IF, Tian S, Wang B, Wang X, Wang X, Wang Y, Weiblen GD, Wen S, Xi N, Xiang W, Xu H, Xu K, Ye W, Zhang B, Zhang J, Zhang X, Zhang Y, Zhu K, Zimmerman J, Storch D, Baltzer JL, Anderson-Teixeira KJ, Mittelbach GG, He F. Direct and indirect effects of climate on richness drive the latitudinal diversity gradient in forest trees. Ecol Lett 2018; 22:245-255. [PMID: 30548766 DOI: 10.1111/ele.13175] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Revised: 07/16/2018] [Accepted: 09/29/2018] [Indexed: 01/16/2023]
Abstract
Climate is widely recognised as an important determinant of the latitudinal diversity gradient. However, most existing studies make no distinction between direct and indirect effects of climate, which substantially hinders our understanding of how climate constrains biodiversity globally. Using data from 35 large forest plots, we test hypothesised relationships amongst climate, topography, forest structural attributes (stem abundance, tree size variation and stand basal area) and tree species richness to better understand drivers of latitudinal tree diversity patterns. Climate influences tree richness both directly, with more species in warm, moist, aseasonal climates and indirectly, with more species at higher stem abundance. These results imply direct limitation of species diversity by climatic stress and more rapid (co-)evolution and narrower niche partitioning in warm climates. They also support the idea that increased numbers of individuals associated with high primary productivity are partitioned to support a greater number of species.
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Affiliation(s)
- Chengjin Chu
- Department of Ecology, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, 510275, Guangzhou
| | - James A Lutz
- Wildland Resources Department, Utah State University, Logan, UT, USA
| | - Kamil Král
- Department of Forest Ecology, Silva Tarouca Research Institute, Brno, Czech Republic
| | - Tomáš Vrška
- Department of Forest Ecology, Silva Tarouca Research Institute, Brno, Czech Republic
| | - Xue Yin
- Department of Ecology, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, 510275, Guangzhou
| | - Jonathan A Myers
- Department of Biology and Tyson Research Center, Washington University in St. Louis, St. Louis, MO, USA
| | - Iveren Abiem
- Department of Plant Science and Technology, University of Jos, Jos, Nigeria.,The Nigerian Montane Forest Project, Taraba State, Nigeria.,School of Biological Sciences, University of Canterbury, Christchurch, New Zealand
| | - Alfonso Alonso
- Center for Conservation and Sustainability, Smithsonian Conservation Biology Institute, National Zoological Park, Washington, DC, USA
| | - Norm Bourg
- Conservation Ecology Center, Smithsonian Conservation Biology Institute, National Zoological Park, Front Royal, VA, USA.,Hydrological-Ecological Interactions Branch, Earth System Processes Division, Water Mission Area, U.S. Geological Survey, Reston, VA, USA
| | | | - Min Cao
- Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, 650223, Kunming
| | - Hazel Chapman
- The Nigerian Montane Forest Project, Taraba State, Nigeria.,School of Biological Sciences, University of Canterbury, Christchurch, New Zealand
| | - Richard Condit
- Field Museum of Natural History, Chicago, IL USA and Morton Arboretum, Lisle, IL, USA
| | - Suqin Fang
- Department of Ecology, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, 510275, Guangzhou
| | | | - Lianming Gao
- Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, 650201, Kunming
| | - Zhanqin Hao
- Key Laboratory of Forest Ecology and Management, Institute of Applied Ecology, Chinese Academy of Sciences, 110016, Shenyang
| | - Billy C H Hau
- School of Biological Sciences, The University of Hong Kong, Pokfulam Road, Hong Kong SAR
| | - Qing He
- Department of Ecology, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, 510275, Guangzhou
| | - Andrew Hector
- Department of Plant Sciences, University of Oxford, Oxford, OX1 3RB, UK
| | - Stephen P Hubbell
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, Los Angeles, CA, USA
| | - Mingxi Jiang
- Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden, Chinese Academy of Sciences, 430074, Wuhan
| | - Guangze Jin
- Center for Ecological Research, Northeast Forestry University, 150040, Harbin
| | - David Kenfack
- Center for Tropical Forest Science-Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Panama City, Panama.,Department of Botany, National Museum of Natural History, Washington, DC, USA
| | - Jiangshan Lai
- State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, The Chinese Academy of Sciences, 100093, Beijing
| | - Buhang Li
- Department of Ecology, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, 510275, Guangzhou
| | - Xiankun Li
- Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, 541006, Guilin
| | - Yide Li
- Research Institute of Tropical Forestry, Chinese Academy of Forestry, 510000, Guangzhou
| | - Juyu Lian
- Key Laboratory of Vegetation Restoration and Management of Degraded Ecosystems, South China Botanical Garden, Chinese Academy of Sciences, 510650, Guangzhou
| | - Luxiang Lin
- Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, 650223, Kunming
| | - Yankun Liu
- Heilongjiang Forestry Enginerring and Environment Institute, 150040, Harbin
| | - Yu Liu
- ECNU-Alberta Joint Lab for Biodiversity Study, Tiantong National Station for Forest Ecosystem Research, East China Normal University, 200241, Shanghai.,Zhejiang Tiantong Forest Ecosystem National Observation and Research Station, School of Ecology and Environmental Sciences, East China Normal University, 200241, Shanghai
| | - Yahuang Luo
- Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, 650201, Kunming
| | - Keping Ma
- State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, The Chinese Academy of Sciences, 100093, Beijing
| | - William McShea
- Conservation Ecology Center, Smithsonian Conservation Biology Institute, National Zoological Park, Front Royal, VA, USA
| | - Hervé Memiaghe
- Institut de Recherche en, Ecologie Tropicale/Centre National de la Recherche Scientifique et Technologique, Libreville, Gabon
| | - Xiangcheng Mi
- State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, The Chinese Academy of Sciences, 100093, Beijing
| | - Ming Ni
- Department of Ecology, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, 510275, Guangzhou
| | - Michael J O'Brien
- Southeast Asia Rainforest Research Partnership (SEARRP), Danum Valley Field Centre, PO Box 60282, 91112, Lahad Datu, Sabah, Malaysia
| | - Alexandre A de Oliveira
- Departamento Ecologia, Universidade de São Paulo, Instituto de Biociências, Cidade Universitária, São Paulo, SP, Brazil
| | - David A Orwig
- Harvard Forest, Harvard University, Petersham, MA, USA
| | - Geoffrey G Parker
- Forest Ecology Group, Smithsonian Environmental Research Center, Edgewater, MD, USA
| | - Xiujuan Qiao
- Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden, Chinese Academy of Sciences, 430074, Wuhan
| | - Haibao Ren
- State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, The Chinese Academy of Sciences, 100093, Beijing
| | - Glen Reynolds
- Southeast Asia Rainforest Research Partnership (SEARRP), Danum Valley Field Centre, PO Box 60282, 91112, Lahad Datu, Sabah, Malaysia
| | - Weiguo Sang
- Institute of Botany, Minzu University of China, Chinese Academy of Sciences, 100093, Beijing
| | - Guochun Shen
- Zhejiang Tiantong Forest Ecosystem National Observation and Research Station, School of Ecology and Environmental Sciences, East China Normal University, 200241, Shanghai
| | - Zhiyao Su
- College of Forestry, South China Agricultural University, 510642, Guangzhou
| | - Xinghua Sui
- Department of Ecology, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, 510275, Guangzhou
| | - I-Fang Sun
- Department of Natural Resources and Environmental Studies, National Dong Hwa University, 97401, Hualien
| | - Songyan Tian
- Heilongjiang Forestry Enginerring and Environment Institute, 150040, Harbin
| | - Bin Wang
- Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, 541006, Guilin
| | - Xihua Wang
- Zhejiang Tiantong Forest Ecosystem National Observation and Research Station, School of Ecology and Environmental Sciences, East China Normal University, 200241, Shanghai
| | - Xugao Wang
- Key Laboratory of Forest Ecology and Management, Institute of Applied Ecology, Chinese Academy of Sciences, 110016, Shenyang
| | - Youshi Wang
- Department of Ecology, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, 510275, Guangzhou
| | - George D Weiblen
- Department of Plant & Microbial Biology, University of Minnesota, St. Paul, MN, USA
| | - Shujun Wen
- Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, 541006, Guilin
| | - Nianxun Xi
- Department of Ecology, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, 510275, Guangzhou
| | - Wusheng Xiang
- Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, 541006, Guilin
| | - Han Xu
- Research Institute of Tropical Forestry, Chinese Academy of Forestry, 510000, Guangzhou
| | - Kun Xu
- Lijiang Forest Ecosystem Research Station, Kunming Instituted of Botany, Chinese Academy of Sciences, 674100, Lijiang
| | - Wanhui Ye
- Key Laboratory of Vegetation Restoration and Management of Degraded Ecosystems, South China Botanical Garden, Chinese Academy of Sciences, 510650, Guangzhou
| | - Bingwei Zhang
- Department of Ecology, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, 510275, Guangzhou
| | - Jiaxin Zhang
- Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden, Chinese Academy of Sciences, 430074, Wuhan
| | - Xiaotong Zhang
- Department of Ecology, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, 510275, Guangzhou
| | - Yingming Zhang
- Guangdong Chebaling National Nature Reserve, 512500, Shaoguan
| | - Kai Zhu
- Department of Environmental Studies, University of California, Santa Cruz, CA, 95064, USA
| | - Jess Zimmerman
- Institute for Tropical Ecosystem Studies, University of Puerto Rico, San Juan, Puerto Rico, 00936, USA
| | - David Storch
- Center for Theoretical Study, Charles University, Academy of Sciences of the Czech Republic, Praha, Czech Republic.,Department of Ecology, Faculty of Science, Charles University, Praha, Czech Republic
| | | | - Kristina J Anderson-Teixeira
- Conservation Ecology Center, Smithsonian Conservation Biology Institute, National Zoological Park, Front Royal, VA, USA.,Center for Tropical Forest Science-Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Panama City, Panama
| | - Gary G Mittelbach
- Kellogg Biological Station and Department of Integrative Biology, Michigan State University, Hickory Corners, Michigan, 49060, USA
| | - Fangliang He
- ECNU-Alberta Joint Lab for Biodiversity Study, Tiantong National Station for Forest Ecosystem Research, East China Normal University, 200241, Shanghai.,Zhejiang Tiantong Forest Ecosystem National Observation and Research Station, School of Ecology and Environmental Sciences, East China Normal University, 200241, Shanghai.,Department of Renewable Resources, University of Alberta, Edmonton, Alberta, T6G 2H1, Canada
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24
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Muscarella R, Messier J, Condit R, Hubbell SP, Svenning JC. Effects of biotic interactions on tropical tree performance depend on abiotic conditions. Ecology 2018; 99:2740-2750. [PMID: 30485410 DOI: 10.1002/ecy.2537] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Revised: 09/24/2018] [Accepted: 10/02/2018] [Indexed: 11/05/2022]
Abstract
Predicting biotic responses to environmental change requires understanding the joint effects of abiotic conditions and biotic interactions on community dynamics. One major challenge is to separate the potentially confounding effects of abiotic environmental variation and local biotic interactions on individual performance. The stress gradient hypothesis (SGH) addresses this issue directly by predicting that the effects of biotic interactions on performance become more positive as the abiotic environment becomes more stressful. It is unclear, however, how the predictions of the SGH apply to plants of differing functional strategies in diverse communities. We asked (1) how the effect of crowding on performance (growth and survival) of trees varies across a precipitation gradient, and (2) how functional strategies (as measured by two key traits: wood density and leaf mass per area, LMA) mediate average demographic rates and responses to crowding across the gradient. We built trait-based neighborhood models of growth and survival across a regional precipitation gradient where increasing precipitation is associated with reduced abiotic stress. In total, our dataset comprised ~170,000 individual trees belonging to 252 species. The effect of crowding on tree performance varied across the gradient; crowding negatively affected growth across plots and positively affected survival in the wettest plot. Functional traits mediated average demographic rates across the gradient, but we did not find clear evidence that the strength of these responses depends on species' traits. Our study lends support to the SGH and demonstrates how a trait-based perspective can advance these concepts by linking the diversity of species interactions with functional variation across abiotic gradients.
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Affiliation(s)
- Robert Muscarella
- Section for Ecoinformatics & Biodiversity, Department of Bioscience, Aarhus University, Ny Munkegade 114, Aarhus, 8000, Denmark
| | - Julie Messier
- Biology Department, University of Sherbrooke, 2500 Blvd de l' Université, Sherbrooke, J1K 2R1, Canada
| | - Richard Condit
- Field Museum of Natural History, 1400 S. Lake Shore Dr, Chicago, Illinois, 60605, USA.,Morton Arboretum, 4100 Illinois Rte. 53, Lisle, Illinois, 60532, USA
| | - Stephen P Hubbell
- Ecology and Evolutionary Biology, University of California, Los Angeles, California, 90095, USA
| | - Jens-Christian Svenning
- Section for Ecoinformatics & Biodiversity, Department of Bioscience, Aarhus University, Ny Munkegade 114, Aarhus, 8000, Denmark
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25
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Katabuchi M, Wright SJ, Swenson NG, Feeley KJ, Condit R, Hubbell SP, Davies SJ. Contrasting outcomes of species- and community-level analyses of the temporal consistency of functional composition. Ecology 2018; 98:2273-2280. [PMID: 28722127 DOI: 10.1002/ecy.1952] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2016] [Revised: 04/14/2017] [Accepted: 07/12/2017] [Indexed: 11/09/2022]
Abstract
Multiple anthropogenic drivers affect every natural community, and there is broad interest in using functional traits to understand and predict the consequences for future biodiversity. There is, however, no consensus regarding the choice of analytical methods. We contrast species- and community-level analyses of change in the functional composition for four traits related to drought tolerance using three decades of repeat censuses of trees in the 50-ha Forest Dynamics Plot on Barro Colorado Island, Panama. Community trait distributions shifted significantly through time, which may indicate a shift toward more drought tolerant species. However, at the species level, changes in abundance were unrelated to trait values. To reconcile these seemingly contrasting results, we evaluated species-specific contributions to the directional shifts observed at the community level. Abundance changes of just one to six of 312 species were responsible for the community-level shifts observed for each trait. Our results demonstrate that directional changes in community-level functional composition can result from idiosyncratic change in a few species rather than widespread community-wide changes associated with functional traits. Future analyses of directional change in natural communities should combine community-, species-, and possibly individual-level analyses to uncover relationships with function that can improve understanding and enable prediction.
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Affiliation(s)
- Masatoshi Katabuchi
- Department of Agricultural and Biological Engineering, University of Florida, Gainesville, Florida, 32611, USA
| | - S Joseph Wright
- Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Panama
| | - Nathan G Swenson
- Department of Biology, University of Maryland, College Park, Maryland, 20742, USA
| | - Kenneth J Feeley
- Department of Biology, University of Miami, Coral Gables, Florida, 33146, USA
| | - Richard Condit
- Field Museum, Chicago, Illinois, 60605, USA.,Morton Arboretum, Lisle, Illinois, 60532, USA
| | - Stephen P Hubbell
- Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Panama.,Department of Ecology and Evolutionary Biology, University of California, Los Angeles, California, 90095, USA
| | - Stuart J Davies
- Center for Tropical Forest Science, Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Washington, D.C., 20013, USA
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26
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Chen Y, Shen TJ, Condit R, Hubbell SP. Community-level species' correlated distribution can be scale-independent and related to the evenness of abundance. Ecology 2018; 99:2787-2800. [PMID: 30347110 DOI: 10.1002/ecy.2544] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Revised: 08/29/2018] [Accepted: 10/02/2018] [Indexed: 11/10/2022]
Abstract
The spatial distribution of species is not random; instead, individuals tend to gather, resulting in a non-random pattern. Previous studies used the independent negative binomial distribution (NBD) to model the distributional aggregation of a single species, in which the independence of the distribution of individuals of a species in different quadrats had been assumed. This way of analyzing aggregation will result in the scale-dependent estimation of the aggregation or shape parameter. However, because non-random (and therefore non-independent) distribution of individuals of a species in a finite area can be caused by either correlated or clumped distribution of individuals of a species between neighboring sites, an alternative model would assume that the distribution of individuals of a species over different sampling areas is multinomial. Here, we showed that, by assuming that regional species abundance followed a NBD while using a multinomial distribution to assign individuals of species in different non-overlapped sampling quadrats that are from a partition of the entire region (quantifying positive correlation or synchrony), the estimation of the shape parameter in this probabilistic model, which is the negative multinomial distribution (NMD), was scale-invariant (i.e., the estimated shape parameter is identical across different partitions of the study region). Accordingly, the estimation of the shape parameter was related to regional species distribution alone. This implied that, the shape parameter at the community level, using the NMD model, reflected the evenness of interspecific abundance. As a comparison, if the distribution of individuals of a single species followed independent NBDs as studied previously, the shape parameter would measure the evenness of intraspecific abundance (quantifying single-species' distributional aggregation). Moreover, our study highlighted the necessity for adjusting the model for the effects of unsampled species when studying community-level distributional patterns. Collectively, as long as a target area is partitioned into non-overlapping quadrats (no matter how their sizes vary), the proposed NMD model in this study, along with the independent NBDs model, can be jointly formulated as a framework to reconcile the scale-dependent debate on the shape parameter, unifying the relationship between inter- or intraspecific abundance and distributional patterns.
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Affiliation(s)
- Youhua Chen
- CAS Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization & Ecological Restoration and Biodiversity Conservation Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, 610041, China
| | - Tsung-Jen Shen
- Institute of Statistics & Department of Applied Mathematics, National Chung Hsing University, 250 Kuo Kuang Road, Taichung, 40227, Taiwan
| | - Richard Condit
- Field Museum of Natural History, 1400 S. Lake Shore Dr., Chicago, Illinois, 60605, USA.,Morton Arboretum, 4100 Illinois Rte. 53, Lisle, Illinois, 60532, USA
| | - Stephen P Hubbell
- Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Panama.,Department of Ecology and Evolutionary Biology, University of California, Los Angeles, California, 90095, USA
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27
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Sugiyama A, Comita LS, Masaki T, Condit R, Hubbell SP. Resolving the paradox of clumped seed dispersal: positive density and distance dependence in a bat-dispersed species. Ecology 2018; 99:2583-2591. [PMID: 30182375 DOI: 10.1002/ecy.2512] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Revised: 08/06/2018] [Accepted: 08/20/2018] [Indexed: 11/12/2022]
Abstract
One of the hypothesized benefits of seed dispersal is to escape density- and distance-responsive, host-specific, natural enemies near maternal plants where conspecific seed and seedling densities are high. Such high conspecific neighbor densities typically result in lower offspring growth and survival (i.e., negative density-dependent effects), yet many dispersal modes result in clumped seed distributions. New World leaf-nosed bats transport fruits to their feeding roosts and deposit seeds, thereby creating high-density seed/seedling patches beneath feeding roosts in heterospecific trees away from maternal trees, which seemingly nullifies a key benefit of seed dispersal. Such dispersal may still be adaptive if negative density-dependent effects are reduced under feeding roosts or if the benefit of being dispersed away from maternal trees outweighs negative effects of conspecific seed/seedling density below roosts. We mapped the entire post-germination population of a bat-dispersed tree species Calophyllum longifolium (Calophyllaceae) in a 50-ha plot on Barro Colorado Island, Panama in each of three successive years. We tested two hypotheses: (1) distance-dependent effects are stronger than density-dependent effects on seedling performance because seedlings far from conspecific adults are more likely to escape natural enemies even when at high densities and (2) negative density-dependent effects will be reduced far from vs. near conspecific adults. Density and distance were naturally decoupled, as expected. However, in contrast to our expectation, we found positive density effects on seedling survival and density-dependent effects did not differ with distance from conspecific adults. Both density and distance had positive effects on seedling survival when considered together, while only year had a significant effect on seedling growth. Thus, both being dispersed under bat feeding roosts and escaping the vicinity of conspecific adults were beneficial for C. longifolium seedling survival, supporting the directed dispersal and escape hypotheses, respectively. Despite resulting in high densities of conspecific seedlings, favorable habitat under bat feeding roosts and lack of negative density-dependent effects appear to provide evolutionary advantages in C. longifolium.
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Affiliation(s)
- Anna Sugiyama
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, California, 90095, USA.,Forestry and Forest Products Research Institute, Tsukuba, Ibaraki, 305-8687, Japan.,Yale School of Forestry and Environmental Studies, Yale University, New Haven, Connecticut, 06511, USA
| | - Liza S Comita
- Yale School of Forestry and Environmental Studies, Yale University, New Haven, Connecticut, 06511, USA.,Smithsonian Tropical Research Institute, Unit 0948, Panama City, Panama
| | - Takashi Masaki
- Forestry and Forest Products Research Institute, Tsukuba, Ibaraki, 305-8687, Japan
| | - Richard Condit
- Field Museum of Natural History, Chicago, Illinois, 60605, USA.,Morton Arboretum, Lisle, Illinois, 60532, USA
| | - Stephen P Hubbell
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, California, 90095, USA.,Smithsonian Tropical Research Institute, Unit 0948, Panama City, Panama
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28
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Sreekar R, Katabuchi M, Nakamura A, Corlett RT, Slik JWF, Fletcher C, He F, Weiblen GD, Shen G, Xu H, Sun IF, Cao K, Ma K, Chang LW, Cao M, Jiang M, Gunatilleke IAUN, Ong P, Yap S, Gunatilleke CVS, Novotny V, Brockelman WY, Xiang W, Mi X, Li X, Wang X, Qiao X, Li Y, Tan S, Condit R, Harrison RD, Koh LP. Spatial scale changes the relationship between beta diversity, species richness and latitude. R Soc Open Sci 2018; 5:181168. [PMID: 30839691 PMCID: PMC6170539 DOI: 10.1098/rsos.181168] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Accepted: 08/22/2018] [Indexed: 06/09/2023]
Abstract
The relationship between β-diversity and latitude still remains to be a core question in ecology because of the lack of consensus between studies. One hypothesis for the lack of consensus between studies is that spatial scale changes the relationship between latitude and β-diversity. Here, we test this hypothesis using tree data from 15 large-scale forest plots (greater than or equal to 15 ha, diameter at breast height ≥ 1 cm) across a latitudinal gradient (3-30o) in the Asia-Pacific region. We found that the observed β-diversity decreased with increasing latitude when sampling local tree communities at small spatial scale (grain size ≤0.1 ha), but the observed β-diversity did not change with latitude when sampling at large spatial scales (greater than or equal to 0.25 ha). Differences in latitudinal β-diversity gradients across spatial scales were caused by pooled species richness (γ-diversity), which influenced observed β-diversity values at small spatial scales, but not at large spatial scales. Therefore, spatial scale changes the relationship between β-diversity, γ-diversity and latitude, and improving sample representativeness avoids the γ-dependence of β-diversity.
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Affiliation(s)
- Rachakonda Sreekar
- School of Biological Sciences, University of Adelaide, Adelaide 5005, South Australia,Australia
| | - Masatoshi Katabuchi
- Kellogg Biological Station, Michigan State University, Hickory Corners, MI 49060, USA
| | - Akihiro Nakamura
- Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Yunnan 666303, People's Republic of China
| | - Richard T. Corlett
- Center for Integrative Conservation, Xishuangbanna Tropical Botanical Garden, Menglun, Yunnan 666303, People's Republic of China
| | - J. W. Ferry Slik
- Universiti Brunei Darussalam, Jalan Tungku Link, Gadong, Brunei Darussalam
| | - Christine Fletcher
- Forestry and Environment Division, Forest Research Institute Malaysia, Kepong, Selangor 52109, Malaysia
| | - Fangliang He
- Department of Renewable Resources, University of Alberta, Edmonton, Alberta, CanadaT6G 2G7
| | - George D. Weiblen
- Bell Museum and Department of Plant and Microbial Biology, University of Minnesota, St Paul, MN, USA
| | - Guochun Shen
- School of Ecological and Environmental Sciences, East China Normal University, Shanghai, People's Republic of China
| | - Han Xu
- Research Institute of Tropical Forestry, Chinese Academy of Forestry, Tianhe, Guangzhou 510520, People's Republic of China
| | - I-Fang Sun
- Department of Natural Resources and Environmental Studies, National Dong Hwa University, Hualien 97401, Taiwan, Republic of China
| | - Ke Cao
- State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, People's Republic of China
| | - Keping Ma
- State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, People's Republic of China
| | - Li-Wan Chang
- Institute of Ecology and Evolutionary Biology, National Taiwan University, 1 Roosevelt Road, Section 4, Taipei 10617, Taiwan, Republic of China
| | - Min Cao
- Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Yunnan 666303, People's Republic of China
| | - Mingxi Jiang
- Key Laboratory of Aquatic Botany and Watershed Ecology, Chinese Academy of Sciences, Wuhan Botanical Garden, Wuhan 430074, People's Republic of China
| | | | - Perry Ong
- Institute of Biology, University of the Philippines, Diliman, Philippines
| | - Sandra Yap
- Institute of Arts and Sciences, Far Eastern University, Manila, Philippines
| | | | - Vojtech Novotny
- Institute of Entomology, Biology Centre of the Czech Academy of Sciences and Faculty of Science, University of South Bohemia, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic
- New Guinea Binatang Research Center, PO Box 604, Madang, Papua New Guinea
| | - Warren Y. Brockelman
- BIOTEC, National Science and Technology Development Agency, 113 Science Park, Klongluang, Pathum Thani 12120, Thailand
| | - Wusheng Xiang
- Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain, Guangxi Institute of Botany, Chinese Academy of Sciences, Guilin 541006, People's Republic of China
| | - Xiangcheng Mi
- State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, People's Republic of China
| | - Xiankun Li
- Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain, Guangxi Institute of Botany, Chinese Academy of Sciences, Guilin 541006, People's Republic of China
| | - Xihua Wang
- Tiantong National Forest Ecosystem Observation and Research Station, School of Ecological and Environmental Sciences, East China Normal University, Shanghai 200241, People's Republic of China
| | - Xiujuan Qiao
- Key Laboratory of Aquatic Botany and Watershed Ecology, Chinese Academy of Sciences, Wuhan Botanical Garden, Wuhan 430074, People's Republic of China
| | - Yide Li
- Research Institute of Tropical Forestry, Chinese Academy of Forestry, Tianhe, Guangzhou 510520, People's Republic of China
| | - Sylvester Tan
- Center for Tropical Forest Science – Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Washington, DC, USA
| | - Richard Condit
- Center for Tropical Forest Science – Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Panama, Republic of Panama
| | - Rhett D. Harrison
- Agroforestry Centre, East and Southern Africa Region, 13 Elm Road, Woodlands, Lusaka, Zambia
| | - Lian Pin Koh
- School of Biological Sciences, University of Adelaide, Adelaide 5005, South Australia,Australia
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Meakem V, Tepley AJ, Gonzalez-Akre EB, Herrmann V, Muller-Landau HC, Wright SJ, Hubbell SP, Condit R, Anderson-Teixeira KJ. Role of tree size in moist tropical forest carbon cycling and water deficit responses. New Phytol 2018; 219:947-958. [PMID: 28585237 DOI: 10.1111/nph.14633] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2017] [Accepted: 04/27/2017] [Indexed: 05/25/2023]
Abstract
Drought disproportionately affects larger trees in tropical forests, but implications for forest composition and carbon (C) cycling in relation to dry season intensity remain poorly understood. In order to characterize how C cycling is shaped by tree size and drought adaptations and how these patterns relate to spatial and temporal variation in water deficit, we analyze data from three forest dynamics plots spanning a moisture gradient in Panama that have experienced El Niño droughts. At all sites, aboveground C cycle contributions peaked below 50-cm stem diameter, with stems ≥ 50 cm accounting for on average 59% of live aboveground biomass, 45% of woody productivity and 49% of woody mortality. The dominance of drought-avoidance strategies increased interactively with stem diameter and dry season intensity. Although size-related C cycle contributions did not vary systematically across the moisture gradient under nondrought conditions, woody mortality of larger trees was disproportionately elevated under El Niño drought stress. Thus, large (> 50 cm) stems, which strongly mediate but do not necessarily dominate C cycling, have drought adaptations that compensate for their more challenging hydraulic environment, particularly in drier climates. However, these adaptations do not fully buffer the effects of severe drought, and increased large tree mortality dominates ecosystem-level drought responses.
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Affiliation(s)
- Victoria Meakem
- Conservation Ecology Center, Smithsonian Conservation Biology Institute, Front Royal, VA, 22630, USA
| | - Alan J Tepley
- Conservation Ecology Center, Smithsonian Conservation Biology Institute, Front Royal, VA, 22630, USA
| | - Erika B Gonzalez-Akre
- Conservation Ecology Center, Smithsonian Conservation Biology Institute, Front Royal, VA, 22630, USA
| | - Valentine Herrmann
- Conservation Ecology Center, Smithsonian Conservation Biology Institute, Front Royal, VA, 22630, USA
| | - Helene C Muller-Landau
- Center for Tropical Forest Science, Smithsonian Tropical Research Institute, Balboa Ancon, Panama, Republic of Panama
| | - S Joseph Wright
- Center for Tropical Forest Science, Smithsonian Tropical Research Institute, Balboa Ancon, Panama, Republic of Panama
| | - Stephen P Hubbell
- Center for Tropical Forest Science, Smithsonian Tropical Research Institute, Balboa Ancon, Panama, Republic of Panama
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Richard Condit
- Center for Tropical Forest Science, Smithsonian Tropical Research Institute, Balboa Ancon, Panama, Republic of Panama
| | - Kristina J Anderson-Teixeira
- Conservation Ecology Center, Smithsonian Conservation Biology Institute, Front Royal, VA, 22630, USA
- Center for Tropical Forest Science, Smithsonian Tropical Research Institute, Balboa Ancon, Panama, Republic of Panama
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30
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Powell TL, Koven CD, Johnson DJ, Faybishenko B, Fisher RA, Knox RG, McDowell NG, Condit R, Hubbell SP, Wright SJ, Chambers JQ, Kueppers LM. Variation in hydroclimate sustains tropical forest biomass and promotes functional diversity. New Phytol 2018; 219:932-946. [PMID: 29923303 DOI: 10.1111/nph.15271] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2017] [Accepted: 05/13/2018] [Indexed: 06/08/2023]
Abstract
The fate of tropical forests under climate change is unclear as a result, in part, of the uncertainty in projected changes in precipitation and in the ability of vegetation models to capture the effects of drought-induced mortality on aboveground biomass (AGB). We evaluated the ability of a terrestrial biosphere model with demography and hydrodynamics (Ecosystem Demography, ED2-hydro) to simulate AGB and mortality of four tropical tree plant functional types (PFTs) that operate along light- and water-use axes. Model predictions were compared with observations of canopy trees at Barro Colorado Island (BCI), Panama. We then assessed the implications of eight hypothetical precipitation scenarios, including increased annual precipitation, reduced inter-annual variation, El Niño-related droughts and drier wet or dry seasons, on AGB and functional diversity of the model forest. When forced with observed meteorology, ED2-hydro predictions capture multiple BCI benchmarks. ED2-hydro predicts that AGB will be sustained under lower rainfall via shifts in the functional composition of the forest, except under the drier dry-season scenario. These results support the hypothesis that inter-annual variation in mean and seasonal precipitation promotes the coexistence of functionally diverse PFTs because of the relative differences in mortality rates. If the hydroclimate becomes chronically drier or wetter, functional evenness related to drought tolerance may decline.
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Affiliation(s)
- Thomas L Powell
- Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
| | - Charles D Koven
- Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
| | | | | | - Rosie A Fisher
- National Center for Atmospheric Research, Boulder, CO, 80305, USA
| | - Ryan G Knox
- Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
| | - Nate G McDowell
- Pacific Northwest National Laboratory, Richland, WA, 99354, USA
| | - Richard Condit
- Field Museum of Natural History, Chicago, IL, 60605, USA
- Morton Arboretum, Lisle, IL, 60532, USA
| | - Stephen P Hubbell
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA, 90095, USA
- Smithsonian Tropical Research Institute, Apartado, 0843-03092, Balboa, Republic of Panama
| | - S Joseph Wright
- Smithsonian Tropical Research Institute, Apartado, 0843-03092, Balboa, Republic of Panama
| | | | - Lara M Kueppers
- Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
- Energy and Resources Group, University of California, Berkeley, CA, 94720, USA
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31
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Dornelas M, Antão LH, Moyes F, Bates AE, Magurran AE, Adam D, Akhmetzhanova AA, Appeltans W, Arcos JM, Arnold H, Ayyappan N, Badihi G, Baird AH, Barbosa M, Barreto TE, Bässler C, Bellgrove A, Belmaker J, Benedetti‐Cecchi L, Bett BJ, Bjorkman AD, Błażewicz M, Blowes SA, Bloch CP, Bonebrake TC, Boyd S, Bradford M, Brooks AJ, Brown JH, Bruelheide H, Budy P, Carvalho F, Castañeda‐Moya E, Chen CA, Chamblee JF, Chase TJ, Siegwart Collier L, Collinge SK, Condit R, Cooper EJ, Cornelissen JHC, Cotano U, Kyle Crow S, Damasceno G, Davies CH, Davis RA, Day FP, Degraer S, Doherty TS, Dunn TE, Durigan G, Duffy JE, Edelist D, Edgar GJ, Elahi R, Elmendorf SC, Enemar A, Ernest SKM, Escribano R, Estiarte M, Evans BS, Fan T, Turini Farah F, Loureiro Fernandes L, Farneda FZ, Fidelis A, Fitt R, Fosaa AM, Daher Correa Franco GA, Frank GE, Fraser WR, García H, Cazzolla Gatti R, Givan O, Gorgone‐Barbosa E, Gould WA, Gries C, Grossman GD, Gutierréz JR, Hale S, Harmon ME, Harte J, Haskins G, Henshaw DL, Hermanutz L, Hidalgo P, Higuchi P, Hoey A, Van Hoey G, Hofgaard A, Holeck K, Hollister RD, Holmes R, Hoogenboom M, Hsieh C, Hubbell SP, Huettmann F, Huffard CL, Hurlbert AH, Macedo Ivanauskas N, Janík D, Jandt U, Jażdżewska A, Johannessen T, Johnstone J, Jones J, Jones FAM, Kang J, Kartawijaya T, Keeley EC, Kelt DA, Kinnear R, Klanderud K, Knutsen H, Koenig CC, Kortz AR, Král K, Kuhnz LA, Kuo C, Kushner DJ, Laguionie‐Marchais C, Lancaster LT, Min Lee C, Lefcheck JS, Lévesque E, Lightfoot D, Lloret F, Lloyd JD, López‐Baucells A, Louzao M, Madin JS, Magnússon B, Malamud S, Matthews I, McFarland KP, McGill B, McKnight D, McLarney WO, Meador J, Meserve PL, Metcalfe DJ, Meyer CFJ, Michelsen A, Milchakova N, Moens T, Moland E, Moore J, Mathias Moreira C, Müller J, Murphy G, Myers‐Smith IH, Myster RW, Naumov A, Neat F, Nelson JA, Paul Nelson M, Newton SF, Norden N, Oliver JC, Olsen EM, Onipchenko VG, Pabis K, Pabst RJ, Paquette A, Pardede S, Paterson DM, Pélissier R, Peñuelas J, Pérez‐Matus A, Pizarro O, Pomati F, Post E, Prins HHT, Priscu JC, Provoost P, Prudic KL, Pulliainen E, Ramesh BR, Mendivil Ramos O, Rassweiler A, Rebelo JE, Reed DC, Reich PB, Remillard SM, Richardson AJ, Richardson JP, van Rijn I, Rocha R, Rivera‐Monroy VH, Rixen C, Robinson KP, Ribeiro Rodrigues R, de Cerqueira Rossa‐Feres D, Rudstam L, Ruhl H, Ruz CS, Sampaio EM, Rybicki N, Rypel A, Sal S, Salgado B, Santos FAM, Savassi‐Coutinho AP, Scanga S, Schmidt J, Schooley R, Setiawan F, Shao K, Shaver GR, Sherman S, Sherry TW, Siciński J, Sievers C, da Silva AC, Rodrigues da Silva F, Silveira FL, Slingsby J, Smart T, Snell SJ, Soudzilovskaia NA, Souza GBG, Maluf Souza F, Castro Souza V, Stallings CD, Stanforth R, Stanley EH, Mauro Sterza J, Stevens M, Stuart‐Smith R, Rondon Suarez Y, Supp S, Yoshio Tamashiro J, Tarigan S, Thiede GP, Thorn S, Tolvanen A, Teresa Zugliani Toniato M, Totland Ø, Twilley RR, Vaitkus G, Valdivia N, Vallejo MI, Valone TJ, Van Colen C, Vanaverbeke J, Venturoli F, Verheye HM, Vianna M, Vieira RP, Vrška T, Quang Vu C, Van Vu L, Waide RB, Waldock C, Watts D, Webb S, Wesołowski T, White EP, Widdicombe CE, Wilgers D, Williams R, Williams SB, Williamson M, Willig MR, Willis TJ, Wipf S, Woods KD, Woehler EJ, Zawada K, Zettler ML, Hickler T. BioTIME: A database of biodiversity time series for the Anthropocene. Glob Ecol Biogeogr 2018; 27:760-786. [PMID: 30147447 PMCID: PMC6099392 DOI: 10.1111/geb.12729] [Citation(s) in RCA: 141] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Revised: 11/25/2017] [Accepted: 11/28/2017] [Indexed: 05/08/2023]
Abstract
MOTIVATION The BioTIME database contains raw data on species identities and abundances in ecological assemblages through time. These data enable users to calculate temporal trends in biodiversity within and amongst assemblages using a broad range of metrics. BioTIME is being developed as a community-led open-source database of biodiversity time series. Our goal is to accelerate and facilitate quantitative analysis of temporal patterns of biodiversity in the Anthropocene. MAIN TYPES OF VARIABLES INCLUDED The database contains 8,777,413 species abundance records, from assemblages consistently sampled for a minimum of 2 years, which need not necessarily be consecutive. In addition, the database contains metadata relating to sampling methodology and contextual information about each record. SPATIAL LOCATION AND GRAIN BioTIME is a global database of 547,161 unique sampling locations spanning the marine, freshwater and terrestrial realms. Grain size varies across datasets from 0.0000000158 km2 (158 cm2) to 100 km2 (1,000,000,000,000 cm2). TIME PERIOD AND GRAIN BioTIME records span from 1874 to 2016. The minimal temporal grain across all datasets in BioTIME is a year. MAJOR TAXA AND LEVEL OF MEASUREMENT BioTIME includes data from 44,440 species across the plant and animal kingdoms, ranging from plants, plankton and terrestrial invertebrates to small and large vertebrates. SOFTWARE FORMAT .csv and .SQL.
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Affiliation(s)
- Maria Dornelas
- Centre for Biological Diversity and Scottish Oceans Institute, School of Biology, University of St. AndrewsSt AndrewsUnited Kingdom
| | - Laura H. Antão
- Centre for Biological Diversity and Scottish Oceans Institute, School of Biology, University of St. AndrewsSt AndrewsUnited Kingdom
- Department of Biology and CESAMUniversidade de Aveiro, Campus Universitário de SantiagoAveiroPortugal
| | - Faye Moyes
- Centre for Biological Diversity and Scottish Oceans Institute, School of Biology, University of St. AndrewsSt AndrewsUnited Kingdom
| | - Amanda E. Bates
- National Oceanography Centre, University of Southampton Waterfront CampusSouthamptonUnited Kingdom
- Department of Ocean Sciences, Memorial University of NewfoundlandSt John'sNewfoundland and LabradorCanada
| | - Anne E. Magurran
- Centre for Biological Diversity and Scottish Oceans Institute, School of Biology, University of St. AndrewsSt AndrewsUnited Kingdom
| | - Dušan Adam
- Department of Forest Ecology, Silva Tarouca Research InstituteBrnoCzech Republic
| | | | - Ward Appeltans
- UNESCO, Intergovernmental Oceanographic Commission, IOC Project Office for IODEOostendeBelgium
| | | | - Haley Arnold
- Centre for Biological Diversity and Scottish Oceans Institute, School of Biology, University of St. AndrewsSt AndrewsUnited Kingdom
| | | | - Gal Badihi
- Centre for Biological Diversity and Scottish Oceans Institute, School of Biology, University of St. AndrewsSt AndrewsUnited Kingdom
| | - Andrew H. Baird
- ARC Centre of Excellence for Coral Reef Studies, James Cook UniversityTownsvilleQueenslandAustralia
| | - Miguel Barbosa
- Centre for Biological Diversity and Scottish Oceans Institute, School of Biology, University of St. AndrewsSt AndrewsUnited Kingdom
- Department of Biology and CESAMUniversidade de Aveiro, Campus Universitário de SantiagoAveiroPortugal
| | - Tiago Egydio Barreto
- Laboratório de Ecologia e Restauração Florestal, Fundação Espaço Eco, Piracicaba, São PauloBrazil
| | | | - Alecia Bellgrove
- School of Life and Environmental SciencesCentre for Integrative Ecology, Deakin UniversityWarrnamboolVictoriaAustralia
| | - Jonathan Belmaker
- School of Zoology, George S. Wise Faculty of Life SciencesTel Aviv UniversityTel AvivIsrael
| | | | - Brian J. Bett
- National Oceanography Centre, University of Southampton Waterfront CampusSouthamptonUnited Kingdom
| | - Anne D. Bjorkman
- Section for Ecoinformatics and Biodiversity, Department of BioscienceAarhus UniversityAarhusDenmark
| | - Magdalena Błażewicz
- Laboratory of Polar Biology and Oceanobiology, Faculty of Biology and Environmental ProtectionUniversity of ŁódźŁódźPoland
| | - Shane A. Blowes
- School of Zoology, George S. Wise Faculty of Life SciencesTel Aviv UniversityTel AvivIsrael
- German Centre for Integrative Biodiversity Research (iDiv) Halle‐Jena‐LeipzigLeipzigGermany
| | - Christopher P. Bloch
- Department of Biological SciencesBridgewater State UniversityBridgewaterMassachusetts
| | | | - Susan Boyd
- Centre for Biological Diversity and Scottish Oceans Institute, School of Biology, University of St. AndrewsSt AndrewsUnited Kingdom
| | - Matt Bradford
- CSIRO Land & WaterEcosciences Precinct, Dutton ParkQueenslandAustralia
| | - Andrew J. Brooks
- Marine Science Institute, University of CaliforniaSanta BarbaraCalifornia
| | - James H. Brown
- Department of BiologyUniversity of New MexicoAlbuquerqueNew Mexico
| | - Helge Bruelheide
- German Centre for Integrative Biodiversity Research (iDiv) Halle‐Jena‐LeipzigLeipzigGermany
- Institute of Biology/Geobotany and Botanical Garden, Martin‐Luther‐University Halle‐WittenbergHalleGermany
| | - Phaedra Budy
- Department of Watershed Sciences and the Ecology Center, US Geological Survey, UCFWRU and Utah State UniversityLoganUtah
| | - Fernando Carvalho
- Universidade do Extremo Sul Catarinense (PPG‐CA)CriciúmaSanta CatarinaBrazil
| | - Edward Castañeda‐Moya
- Southeast Environmental Research Center (OE 148), Florida International UniversityMiamiFlorida
| | - Chaolun Allen Chen
- Coral Reef Ecology and Evolution LabBiodiversity Research Centre, Academia SinicaTaipeiTaiwan
| | | | - Tory J. Chase
- ARC Centre of Excellence for Coral Reef Studies, James Cook UniversityTownsvilleQueenslandAustralia
- Marine Biology and Aquaculture, College of Science and EngineeringJames Cook UniversityDouglasQueenslandAustralia
| | | | | | - Richard Condit
- Center for Tropical Forest ScienceWashingtonDistrict of Columbia
| | - Elisabeth J. Cooper
- Biosciences Fisheries and EconomicsUiT‐ The Arctic University of NorwayTromsøNorway
| | - J. Hans C. Cornelissen
- Systems Ecology, Department of Ecological Science, Vrije UniversiteitAmsterdamThe Netherlands
| | | | - Shannan Kyle Crow
- The National Institute of Water and Atmospheric ResearchAucklandNew Zealand
| | - Gabriella Damasceno
- Lab of Vegetation Ecology, Instituto de Biociências, Universidade Estadual Paulista (UNESP), Rio ClaroBrazil
| | | | - Robert A. Davis
- School of ScienceEdith Cowan UniversityJoondalupWestern AustraliaAustralia
| | - Frank P. Day
- Department of Biological SciencesOld Dominion UniversityNorfolkVirginia
| | - Steven Degraer
- Royal Belgian Institute of Natural Sciences, Operational Directorate Natural Environment, Marine Ecology and ManagementBrusselsBelgium
- Marine Biology Research Group, Ghent UniversityGentBelgium
| | - Tim S. Doherty
- School of ScienceEdith Cowan UniversityJoondalupWestern AustraliaAustralia
- School of Life and Environmental SciencesCentre for Integrative Ecology (Burwood Campus), Deakin UniversityGeelongVictoriaAustralia
| | | | - Giselda Durigan
- Divisão de Florestas e Estações Experimentais, Floresta Estadual de Assis, Laboratório de Ecologia e Hidrologia Florestal, Instituto FlorestalSão PauloBrazil
| | - J. Emmett Duffy
- Tennenbaum Marine Observatories Network, Smithsonian InstitutionWashington, District of Columbia
| | - Dor Edelist
- National Institute of Oceanography, Tel‐ShikmonaHaifaIsrael
| | - Graham J. Edgar
- Institute for Marine and Antarctic Studies, University of TasmaniaHobartTasmaniaAustralia
| | - Robin Elahi
- Hopkins Marine Station, Stanford University, StanfordCalifornia
| | | | - Anders Enemar
- Department of Biological and Environmental SciencesUniversity of GothenburgGothenburgSweden
| | - S. K. Morgan Ernest
- Department of Wildlife Ecology and ConservationUniversity of FloridaGainesvilleFL
| | - Rubén Escribano
- Instituto Milenio de Oceanografía, Universidad de ConcepciónConcepciónChile
| | - Marc Estiarte
- CSIC, Global Ecology Unit CREAF‐CSIC‐UABBellaterraCataloniaSpain
- CREAF, Universitat Autònoma de BarcelonaCerdanyola del VallèsCataloniaSpain
| | - Brian S. Evans
- Migratory Bird Center, Smithsonian Conservation Biology Institute, National Zoological ParkWashingtonDistrict of Columbia
| | - Tung‐Yung Fan
- National Museum of Marine Biology and AquariumPingtung CountyTaiwan
| | - Fabiano Turini Farah
- Laboratório de Ecologia e Restauração Florestal, Escola Superior de Agricultura “Luiz de Queiroz”, Universidade de São PauloSão PauloBrazil
| | - Luiz Loureiro Fernandes
- Departamento de Oceanografia e Ecologia, Universidade Federal do Espírito Santo, Vitória, Espírito SantoBrazil
| | - Fábio Z. Farneda
- Centre for Ecology, Evolution and Environmental Changes – cE3c, Faculty of SciencesUniversity of LisbonLisbonPortugal
- Biological Dynamics of Forest Fragments Project, National Institute for Amazonian Research and Smithsonian Tropical Research InstituteManausBrazil
- Department of Ecology/PPGEFederal University of Rio de JaneiroRio de JaneiroBrazil
| | - Alessandra Fidelis
- Lab of Vegetation Ecology, Instituto de Biociências, Universidade Estadual Paulista (UNESP), Rio ClaroBrazil
| | - Robert Fitt
- School of Biological SciencesUniversity of AberdeenAberdeenUnited Kingdom
| | - Anna Maria Fosaa
- Botanical Department, Faroese Museum of Natural HistoryTorshavnFaroe Islands
| | | | - Grace E. Frank
- Marine Biology and Aquaculture, College of Science and EngineeringJames Cook UniversityDouglasQueenslandAustralia
| | | | - Hernando García
- Alexander von Humboldt Biological Resources Research InstituteBogotá DCColombia
| | | | - Or Givan
- School of Zoology, George S. Wise Faculty of Life SciencesTel Aviv UniversityTel AvivIsrael
| | - Elizabeth Gorgone‐Barbosa
- Lab of Vegetation Ecology, Instituto de Biociências, Universidade Estadual Paulista (UNESP), Rio ClaroBrazil
| | - William A. Gould
- USDA Forest Service, 65 USDA Forest Service, International Institute of Tropical ForestrySan JuanPuerto Rico
| | - Corinna Gries
- Center for Limnology, University of WisconsinMadisonWisconsin
| | - Gary D. Grossman
- The Warnell School of Forestry and Natural ResourcesUniversity of GeorgiaAthensGeorgia
| | - Julio R. Gutierréz
- Departamento de Biología, Facultad de Ciencias, Universidad de La SerenaLa SerenaChile
- Centro de Estudios Avanzados en Zonas Aridas (CEAZA)La SerenaChile
- Institute of Ecology and Biodiversity (IEB)SantiagoChile
| | - Stephen Hale
- U.S. Environmental Protection Agency, Office of Research and Development, National Health and Environmental Effects Research Laboratory, Atlantic Ecology DivisionNarragansettRhode Island
| | - Mark E. Harmon
- Department of Forest Ecosystems and SocietyOregon State UniversityCorvallisOregon
| | - John Harte
- The Energy and Resources Group and The Department of Environmental Science, Policy and ManagementUniversity of CaliforniaBerkeleyCalifornia
| | - Gary Haskins
- Cetacean Research & Rescue UnitBanffUnited Kingdom
| | - Donald L. Henshaw
- U.S. Forest Service Pacific Northwest Research LaboratoryCorvallisOregon
| | - Luise Hermanutz
- Memorial University, St John'sNewfoundland and LabradorCanada
| | - Pamela Hidalgo
- Instituto Milenio de Oceanografía, Universidad de ConcepciónConcepciónChile
| | - Pedro Higuchi
- Laboratório de Dendrologia e Fitossociologia, Universidade do Estado de Santa CatarinaFlorianópolisSanta CatarinaBrazil
| | - Andrew Hoey
- ARC Centre of Excellence for Coral Reef Studies, James Cook UniversityTownsvilleQueenslandAustralia
| | - Gert Van Hoey
- Department of Aquatic Environment and Quality, Flanders Research Institute for Agriculture, Fisheries and FoodOostendeBelgium
| | | | - Kristen Holeck
- Department of Natural Resources and Cornell Biological Field StationCornell UniversityIthacaNew York
| | | | | | - Mia Hoogenboom
- ARC Centre of Excellence for Coral Reef Studies, James Cook UniversityTownsvilleQueenslandAustralia
- Marine Biology and Aquaculture, College of Science and EngineeringJames Cook UniversityDouglasQueenslandAustralia
| | - Chih‐hao Hsieh
- Institute of Oceanography, National Taiwan UniversityTaipeiTaiwan
| | | | - Falk Huettmann
- EWHALE lab‐ Biology and Wildlife DepartmentInstitute of Arctic Biology, University of AlaskaFairbanksAlaska
| | | | - Allen H. Hurlbert
- Department of BiologyUniversity of North CarolinaChapel HillNorth Carolina
| | | | - David Janík
- Department of Forest Ecology, Silva Tarouca Research InstituteBrnoCzech Republic
| | - Ute Jandt
- German Centre for Integrative Biodiversity Research (iDiv) Halle‐Jena‐LeipzigLeipzigGermany
- Institute of Biology/Geobotany and Botanical Garden, Martin‐Luther‐University Halle‐WittenbergHalleGermany
| | - Anna Jażdżewska
- Laboratory of Polar Biology and Oceanobiology, Faculty of Biology and Environmental ProtectionUniversity of ŁódźŁódźPoland
| | | | - Jill Johnstone
- Department of BiologyUniversity of SaskatchewanSaskatoonSaskatchewanCanada
| | - Julia Jones
- College of Earth, Ocean, and Atmospheric Sciences, Oregon State UniversityCorvallisOregon
| | - Faith A. M. Jones
- Centre for Biological Diversity and Scottish Oceans Institute, School of Biology, University of St. AndrewsSt AndrewsUnited Kingdom
| | - Jungwon Kang
- Centre for Biological Diversity and Scottish Oceans Institute, School of Biology, University of St. AndrewsSt AndrewsUnited Kingdom
| | | | | | - Douglas A. Kelt
- Department of WildlifeFish, and Conservation Biology, University of California, DavisDavisCalifornia
| | - Rebecca Kinnear
- Centre for Biological Diversity and Scottish Oceans Institute, School of Biology, University of St. AndrewsSt AndrewsUnited Kingdom
- Shetland Oil Terminal Environmental Advisory Group (SOTEAG)St AndrewsUnited Kingdom
| | - Kari Klanderud
- Faculty of Environmental Sciences and Natural Resource ManagementNorwegian University of Life SciencesÅsNorway
| | - Halvor Knutsen
- Institute of Marine ResearchHisNorway
- Department of Natural Sciences, Faculty of Engineering and Science, Centre for Coastal Research, University of AgderKristiansandNorway
| | | | - Alessandra R. Kortz
- Centre for Biological Diversity and Scottish Oceans Institute, School of Biology, University of St. AndrewsSt AndrewsUnited Kingdom
| | - Kamil Král
- Department of Forest Ecology, Silva Tarouca Research InstituteBrnoCzech Republic
| | - Linda A. Kuhnz
- Monterey Bay Aquarium Research InstituteMoss LandingCalifornia
| | - Chao‐Yang Kuo
- ARC Centre of Excellence for Coral Reef Studies, James Cook UniversityTownsvilleQueenslandAustralia
| | - David J. Kushner
- Channel Islands National Park, U. S. National Park ServiceCalifornia, VenturaCalifornia
| | | | | | - Cheol Min Lee
- Forest and Climate Change Adaptation LaboratoryCenter for Forest and Climate Change, National Institute of Forest ScienceSeoulRepublic of Korea
| | - Jonathan S. Lefcheck
- Department of Biological SciencesVirginia Institute of Marine Science, The College of William & Mary, Gloucester PointVirginia
| | - Esther Lévesque
- Département des sciences de l'environnementUniversité du Québec à Trois‐Rivières and Centre d’études nordiquesQuébecCanada
| | - David Lightfoot
- Department of BiologyMuseum of Southwestern Biology, University of New MexicoAlbuquerqueNew Mexico
| | - Francisco Lloret
- CREAF, Universitat Autònoma de BarcelonaCerdanyola del VallèsCataloniaSpain
| | | | - Adrià López‐Baucells
- Centre for Ecology, Evolution and Environmental Changes – cE3c, Faculty of SciencesUniversity of LisbonLisbonPortugal
- Biological Dynamics of Forest Fragments Project, National Institute for Amazonian Research and Smithsonian Tropical Research InstituteManausBrazil
- Museu de Ciències Naturals de GranollersCatalunyaSpain
| | | | - Joshua S. Madin
- Hawai‘i Institute of Marine Biology, University of Hawai‘i at Mānoa, KaneoheHawai‘iUSA
- Department of Biological SciencesMacquarie UniversitySydneyNew South WalesAustralia
| | | | - Shahar Malamud
- School of Zoology, George S. Wise Faculty of Life SciencesTel Aviv UniversityTel AvivIsrael
| | - Iain Matthews
- Centre for Biological Diversity and Scottish Oceans Institute, School of Biology, University of St. AndrewsSt AndrewsUnited Kingdom
| | | | - Brian McGill
- School of Biology and EcologySustainability Solutions Initiative, University of MaineOronoMaine
| | | | - William O. McLarney
- Stream Biomonitoring Program, Mainspring Conservation TrustFranklinNorth Carolina
| | - Jason Meador
- Stream Biomonitoring Program, Mainspring Conservation TrustFranklinNorth Carolina
| | | | | | - Christoph F. J. Meyer
- Centre for Ecology, Evolution and Environmental Changes – cE3c, Faculty of SciencesUniversity of LisbonLisbonPortugal
- Biological Dynamics of Forest Fragments Project, National Institute for Amazonian Research and Smithsonian Tropical Research InstituteManausBrazil
- Ecosystems and Environment Research Centre (EERC), School of Environment and Life Sciences, University of SalfordSalfordUnited Kingdom
| | - Anders Michelsen
- Terrestrial Ecology Section, Department of Biology, University of CopenhagenCopenhagenDenmark
| | - Nataliya Milchakova
- Laboratory of Phytoresources, Kovalevsky Institute of Marine Biological Research of RAS (IMBR)SevastopolRussia
| | - Tom Moens
- Marine Biology Research Group, Ghent UniversityGentBelgium
| | - Even Moland
- Institute of Marine ResearchHisNorway
- Department of Natural Sciences, Faculty of Engineering and Science, Centre for Coastal Research, University of AgderKristiansandNorway
| | - Jon Moore
- Shetland Oil Terminal Environmental Advisory Group (SOTEAG)St AndrewsUnited Kingdom
- Aquatic Survey & Monitoring Ltd. ASMLDurhamUnited Kingdom
| | | | - Jörg Müller
- Bavarian Forest National ParkGrafenauGermany
- Field Station Fabrikschleichach, University of WürzburgRauhenebrachGermany
| | - Grace Murphy
- Department of BiologyDalhousie UniversityHalifaxNova ScotiaCanada
| | | | | | - Andrew Naumov
- Zoological Institute, Russian Academy SciencesSt PetersburgRussia
| | - Francis Neat
- Marine Scotland, Marine LaboratoryScottish GovernmentEdinburghUnited Kingdom
| | - James A. Nelson
- Department of BiologyUniversity of Louisiana at LafayetteLafayetteLouisiana
| | - Michael Paul Nelson
- Department of Forest Ecosystems and SocietyOregon State UniversityCorvallisOregon
| | | | - Natalia Norden
- Alexander von Humboldt Biological Resources Research InstituteBogotá DCColombia
| | - Jeffrey C. Oliver
- University of Arizona Health Sciences Library, University of ArizonaTucsonArizona
| | - Esben M. Olsen
- Institute of Marine ResearchHisNorway
- Department of Natural Sciences, Faculty of Engineering and Science, Centre for Coastal Research, University of AgderKristiansandNorway
| | | | - Krzysztof Pabis
- Laboratory of Polar Biology and Oceanobiology, Faculty of Biology and Environmental ProtectionUniversity of ŁódźŁódźPoland
| | - Robert J. Pabst
- Department of Forest Ecosystems and SocietyOregon State UniversityCorvallisOregon
| | - Alain Paquette
- Center for Forest Research, Université du Québec à Montréal (UQAM)MontrealQuebecCanada
| | - Sinta Pardede
- Wildlife Conservation Society Indonesia ProgramBogorIndonesia
| | - David M. Paterson
- Centre for Biological Diversity and Scottish Oceans Institute, School of Biology, University of St. AndrewsSt AndrewsUnited Kingdom
- Shetland Oil Terminal Environmental Advisory Group (SOTEAG)St AndrewsUnited Kingdom
| | - Raphaël Pélissier
- UMR AMAP, IRD, CIRAD, CNRS, INRA, Montpellier UniversityMontpellierFrance
| | - Josep Peñuelas
- CSIC, Global Ecology Unit CREAF‐CSIC‐UABBellaterraCataloniaSpain
- CREAF, Universitat Autònoma de BarcelonaCerdanyola del VallèsCataloniaSpain
| | - Alejandro Pérez‐Matus
- Subtidal Ecology Laboratory & Center for Marine Conservation, Estación Costera de Investigaciones MarinasFacultad de Ciencias Biológicas, Pontificia Universidad Católica de ChileSantiagoCasillaChile
| | - Oscar Pizarro
- Australian Centre of Field Robotics, University of SydneySydneyNew South WalesAustralia
| | - Francesco Pomati
- Department of Aquatic EcologyEawag: Swiss Federal Institute of Aquatic Science and TechnologySwitzerland
| | - Eric Post
- Department of WildlifeFish, and Conservation Biology, University of California, DavisDavisCalifornia
| | | | - John C. Priscu
- Department of Land Resources and Environmental SciencesMontana State UniversityBozemanMontana
| | - Pieter Provoost
- UNESCO, Intergovernmental Oceanographic Commission, IOC Project Office for IODEOostendeBelgium
| | | | | | - B. R. Ramesh
- Department of EcologyFrench Institute of PondicherryPuducherryIndia
| | | | - Andrew Rassweiler
- Channel Islands National Park, U. S. National Park ServiceCalifornia, VenturaCalifornia
| | - Jose Eduardo Rebelo
- Ichthyology Laboratory, Fisheries and AquacultureUniversity of AveiroAveiroPortugal
| | - Daniel C. Reed
- Marine Science Institute, University of CaliforniaSanta BarbaraCalifornia
| | - Peter B. Reich
- Department of Forest Resources, University of MinnesotaSt PaulMinnesota
- Hawkesbury Institute for the Environment, Western Sydney UniversityPenrithNew South WalesAustralia
| | - Suzanne M. Remillard
- Department of Forest Ecosystems and SocietyOregon State UniversityCorvallisOregon
| | - Anthony J. Richardson
- CSIRO Oceans and AtmosphereQueensland, BioSciences Precinct (QBP)St Lucia, BrisbaneQldAustralia
- Centre for Applications in Natural Resource Mathematics, The University of QueenslandSt LuciaQueenslandAustralia
| | | | - Itai van Rijn
- School of Zoology, George S. Wise Faculty of Life SciencesTel Aviv UniversityTel AvivIsrael
| | - Ricardo Rocha
- Centre for Ecology, Evolution and Environmental Changes – cE3c, Faculty of SciencesUniversity of LisbonLisbonPortugal
- Biological Dynamics of Forest Fragments Project, National Institute for Amazonian Research and Smithsonian Tropical Research InstituteManausBrazil
- Metapopulation Research Centre, Faculty of Biosciences, University of HelsinkiHelsinkiFinland
| | - Victor H. Rivera‐Monroy
- Department of Oceanography and Coastal Sciences, College of the Coast and EnvironmentLouisiana State UniversityBaton RougeLouisiana
| | - Christian Rixen
- Swiss Federal Institute for Forest, Snow and Landscape ResearchDavos DorfSwitzerland
| | | | - Ricardo Ribeiro Rodrigues
- Laboratório de Ecologia e Restauração Florestal, Escola Superior de Agricultura “Luiz de Queiroz”, Universidade de São PauloSão PauloBrazil
| | - Denise de Cerqueira Rossa‐Feres
- Departamento de Zoologia e Botânica, Universidade Estadual Paulista – UNESPCâmpus São José do Rio Preto, São José do Rio PretoBrazil
| | - Lars Rudstam
- Department of Natural Resources and Cornell Biological Field StationCornell UniversityIthacaNew York
| | - Henry Ruhl
- National Oceanography Centre, University of Southampton Waterfront CampusSouthamptonUnited Kingdom
| | - Catalina S. Ruz
- Subtidal Ecology Laboratory & Center for Marine Conservation, Estación Costera de Investigaciones MarinasFacultad de Ciencias Biológicas, Pontificia Universidad Católica de ChileSantiagoCasillaChile
| | - Erica M. Sampaio
- Biological Dynamics of Forest Fragments Project, National Institute for Amazonian Research and Smithsonian Tropical Research InstituteManausBrazil
- Department of Animal Physiology, Eberhard Karls University TübingenTübingenGermany
| | - Nancy Rybicki
- National Research Program, U.S. Geological SurveyRestonVirginia
| | - Andrew Rypel
- Wisconsin Department of Natural Resources and Center for LimnologyUniversity of Wisconsin‐MadisonMadisonWisconsin
| | - Sofia Sal
- Department of Life SciencesImperial College LondonAscotBerkshireUnited Kingdom
| | - Beatriz Salgado
- Alexander von Humboldt Biological Resources Research InstituteBogotá DCColombia
| | | | - Ana Paula Savassi‐Coutinho
- Departamento de Ciências Biológicas, Escola Superior de Agricultura ‘Luiz de Queiroz’, Universidade de São PauloSão PauloBrazil
| | - Sara Scanga
- Department of BiologyUtica CollegeUticaNew York
| | - Jochen Schmidt
- The National Institute of Water and Atmospheric ResearchAucklandNew Zealand
| | - Robert Schooley
- Wildlife Ecology and Conservation, Department of Natural Resources and Environmental SciencesUniversity of IllinoisChampaignIllinois
| | | | - Kwang‐Tsao Shao
- Biodiversity Research Center, Academia SinicaNankang, TaipeiTaiwan
| | | | | | | | - Jacek Siciński
- Laboratory of Polar Biology and Oceanobiology, Faculty of Biology and Environmental ProtectionUniversity of ŁódźŁódźPoland
| | - Caya Sievers
- Centre for Biological Diversity and Scottish Oceans Institute, School of Biology, University of St. AndrewsSt AndrewsUnited Kingdom
| | - Ana Carolina da Silva
- Laboratório de Dendrologia e Fitossociologia, Universidade do Estado de Santa CatarinaFlorianópolisSanta CatarinaBrazil
| | | | | | - Jasper Slingsby
- Department of Biological Sciences, Centre for Statistics in Ecology, Environment and ConservationUniversity of CapeTownRondeboschSouth Africa
- Fynbos Node, South African Environmental Observation NetworkClaremontSouth Africa
| | - Tracey Smart
- Coastal Finfish Section, South Carolina Department of Natural Resources, Marine Resources Research InstituteCharlestonSouth Carolina
| | - Sara J. Snell
- Department of BiologyUniversity of North CarolinaChapel HillNorth Carolina
| | - Nadejda A. Soudzilovskaia
- Conservation Biology DepartmentInstitute of Environmental Studies, CML, Leiden UniversityLeidenThe Netherlands
| | - Gabriel B. G. Souza
- Laboratório de Biologia e Tecnologia Pesqueira, Universidade Federal do Rio de JaneiroRio de JaneiroBrazil
| | | | - Vinícius Castro Souza
- Laboratório de Ecologia e Restauração Florestal, Escola Superior de Agricultura “Luiz de Queiroz”, Universidade de São PauloSão PauloBrazil
| | | | - Rowan Stanforth
- Centre for Biological Diversity and Scottish Oceans Institute, School of Biology, University of St. AndrewsSt AndrewsUnited Kingdom
| | | | | | - Maarten Stevens
- INBO, Research Institute for Nature and ForestBrusselsBelgium
| | - Rick Stuart‐Smith
- Institute for Marine and Antarctic Studies, University of TasmaniaHobartTasmaniaAustralia
| | - Yzel Rondon Suarez
- Centro de Estudos em Recursos Naturais, Universidade Estadual de Mato Grosso do SulDouradosMato Grosso do SulBrazil
| | - Sarah Supp
- School of Biology and EcologyUniversity of MaineOronoMaine
| | | | | | - Gary P. Thiede
- Department of Watershed Sciences and the Ecology Center, US Geological Survey, UCFWRU and Utah State UniversityLoganUtah
| | - Simon Thorn
- Field Station Fabrikschleichach, University of WürzburgRauhenebrachGermany
| | - Anne Tolvanen
- Natural Resources Institute Finland, University of OuluOuluFinland
| | | | - Ørjan Totland
- Department of BiologyUniversity of BergenBergenNorway
| | - Robert R. Twilley
- Department of Oceanography and Coastal Sciences, College of the Coast and EnvironmentLouisiana State UniversityBaton RougeLouisiana
| | | | - Nelson Valdivia
- Universidad Austral de Chile and Centro FONDAP en Dinámica de Ecosistemas Marinos de Altas Latitudes (IDEAL)ValdiviaChile
| | | | | | - Carl Van Colen
- Marine Biology Research Group, Ghent UniversityGentBelgium
| | - Jan Vanaverbeke
- Royal Belgian Institute of Natural Sciences, Operational Directorate Natural Environment, Marine Ecology and ManagementBrusselsBelgium
| | - Fabio Venturoli
- Escola de Agronomia, Universidade Federal de GoiásGoiâniaBrazil
| | - Hans M. Verheye
- Department of Environmental AffairsOceans and Coastal ResearchCape TownSouth Africa
- Department of Biological SciencesMarine Research InstituteUniversity of Cape TownCape TownSouth Africa
| | - Marcelo Vianna
- Laboratório de Biologia e Tecnologia Pesqueira, Universidade Federal do Rio de JaneiroRio de JaneiroBrazil
| | - Rui P. Vieira
- National Oceanography Centre, University of Southampton Waterfront CampusSouthamptonUnited Kingdom
| | - Tomáš Vrška
- Department of Forest Ecology, Silva Tarouca Research InstituteBrnoCzech Republic
| | - Con Quang Vu
- Institute of Ecology and Biological Resources, VASTHanoiVietnam
| | - Lien Van Vu
- Vietnam National Museum of NatureHanoiVietnam
- Graduate University of Science and Technology, VASTHanoiVietnam
| | - Robert B. Waide
- Department of BiologyUniversity of New MexicoAlbuquerqueNew Mexico
| | - Conor Waldock
- National Oceanography Centre, University of Southampton Waterfront CampusSouthamptonUnited Kingdom
| | - Dave Watts
- CSIRO Oceans and Atmosphere FlagshipHobartTasmaniaAustralia
| | - Sara Webb
- Biology Department, Drew UniversityMadisonNew Jersey
- Environmental Studies Department, Drew UniversityMadisonNew Jersey
| | | | - Ethan P. White
- Department of Wildlife Ecology & ConservationUniversity of FloridaGainesvilleFlorida
- Informatics Institute, University of FloridaGainesvilleFlorida
| | | | - Dustin Wilgers
- Department of Natural SciencesMcPherson CollegeMcPhersonKansas
| | - Richard Williams
- Australian Antarctic Division, Channel HighwayKingstonTasmaniaAustralia
| | - Stefan B. Williams
- Australian Centre of Field Robotics, University of SydneySydneyNew South WalesAustralia
| | | | - Michael R. Willig
- Department of Ecology & Evolutionary Biology, Center for Environmental Sciences & EngineeringUniversity of ConnecticutMansfieldConnecticut
| | - Trevor J. Willis
- Institute of Marine Sciences, School of Biological Sciences, University of PortsmouthPortsmouthUnited Kingdom
| | - Sonja Wipf
- Research Team Mountain Ecosystems, WSL Institute for Snow and Avalanche Research SLFDavosSwitzerland
| | | | - Eric J. Woehler
- Institute for Marine and Antarctic Studies, University of TasmaniaHobartTasmaniaAustralia
| | - Kyle Zawada
- Centre for Biological Diversity and Scottish Oceans Institute, School of Biology, University of St. AndrewsSt AndrewsUnited Kingdom
- Department of Biological SciencesMacquarie UniversitySydneyNew South WalesAustralia
| | - Michael L. Zettler
- Leibniz Institute for Baltic Sea Research Warnemünde, Seestr. 15, D‐18119 RostockGermany
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Johnson DJ, Condit R, Hubbell SP, Comita LS. Abiotic niche partitioning and negative density dependence drive tree seedling survival in a tropical forest. Proc Biol Sci 2018; 284:rspb.2017.2210. [PMID: 29237862 DOI: 10.1098/rspb.2017.2210] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2017] [Accepted: 11/14/2017] [Indexed: 11/12/2022] Open
Abstract
In tropical tree communities, processes occurring during early life stages play a critical role in shaping forest composition and diversity through differences in species' performance. Predicting the future of tropical forests depends on a solid understanding of the drivers of seedling survival. At the same time, factors determining spatial and temporal patterns of seedling survival can play a large role in permitting species coexistence in diverse communities. Using long-term data on the survival of more than 45 000 seedlings of 238 species in a Neotropical forest, we assessed the relative importance of key abiotic and biotic neighbourhood variables thought to influence individual seedling survival and tested whether species vary significantly in their responses to these variables, consistent with niche differences. At the community level, seedling survival was significantly correlated with plant size, topographic habitat, neighbourhood densities of conspecific seedlings, conspecific and heterospecific trees and annual variation in water availability, in descending order of effect size. Additionally, we found significant variation among species in their sensitivity to light and water availability, as well as in their survival within different topographic habitats, indicating the potential for niche differentiation among species that could allow for species coexistence.
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Affiliation(s)
- Daniel J Johnson
- School of Forestry and Environmental Studies, Yale University, New Haven, CT, USA
| | - Richard Condit
- Field Museum, Chicago, IL, USA.,Morton Arboretum, Lisle, IL, USA
| | - Stephen P Hubbell
- Smithsonian Tropical Research Institute, Panama City, Republic of Panama.,University of California, Los Angeles, Los Angeles, CA, USA
| | - Liza S Comita
- School of Forestry and Environmental Studies, Yale University, New Haven, CT, USA.,Smithsonian Tropical Research Institute, Panama City, Republic of Panama
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Rüger N, Comita LS, Condit R, Purves D, Rosenbaum B, Visser MD, Wright S, Wirth C. Beyond the fast–slow continuum: demographic dimensions structuring a tropical tree community. Ecol Lett 2018; 21:1075-1084. [DOI: 10.1111/ele.12974] [Citation(s) in RCA: 61] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Revised: 11/14/2017] [Accepted: 03/30/2018] [Indexed: 01/21/2023]
Affiliation(s)
- Nadja Rüger
- German Centre for Integrative Biodiversity Research (iDiv) Halle‐Jena‐Leipzig Deutscher Platz 5e 04103 Leipzig Germany
- Smithsonian Tropical Research Institute Apartado0843‐03092 Ancón Panama
| | - Liza S. Comita
- Smithsonian Tropical Research Institute Apartado0843‐03092 Ancón Panama
- School of Forestry & Environmental Studies Yale University New Haven CT06511 USA
| | - Richard Condit
- Field Museum of Natural History 1400 S. Lake Shore Dr. Chicago IL60605 USA
- Morton Arboretum 4100 Illinois Rte. 53 Lisle IL60532 USA
| | | | - Benjamin Rosenbaum
- German Centre for Integrative Biodiversity Research (iDiv) Halle‐Jena‐Leipzig Deutscher Platz 5e 04103 Leipzig Germany
- Institute of Biodiversity Friedrich Schiller University Jena Dornburger Str. 159 07743 Jena Germany
| | - Marco D. Visser
- Department of Ecology and Evolutionary Biology Princeton University Princeton NJ08544 USA
| | - S.J Wright
- Smithsonian Tropical Research Institute Apartado0843‐03092 Ancón Panama
| | - Christian Wirth
- German Centre for Integrative Biodiversity Research (iDiv) Halle‐Jena‐Leipzig Deutscher Platz 5e 04103 Leipzig Germany
- AG Spezielle Botanik und Funktionelle Biodiversität Universität Leipzig Johannisallee 21 04103 Leipzig Germany
- Max‐Planck‐Institute for Biogeochemistry Hans‐Knöll‐Str. 10 07743 Jena Germany
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Turner BL, Brenes-Arguedas T, Condit R. Publisher Correction: Pervasive phosphorus limitation of tree species but not communities in tropical forests. Nature 2018; 559:E4. [PMID: 29720652 DOI: 10.1038/s41586-018-0099-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
In this Letter, the y axis of the right-hand panel of Fig. 2a was mislabelled 'Phosphomonoesterase' instead of 'Phosphodiesterase'. This error has been corrected online.
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Affiliation(s)
| | | | - Richard Condit
- Smithsonian Tropical Research Institute, Panama City, Panama
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35
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Chisholm RA, Lim F, Yeoh YS, Seah WW, Condit R, Rosindell J. Species-area relationships and biodiversity loss in fragmented landscapes. Ecol Lett 2018; 21:804-813. [PMID: 29601670 PMCID: PMC6849768 DOI: 10.1111/ele.12943] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Revised: 01/27/2018] [Accepted: 02/13/2018] [Indexed: 11/29/2022]
Abstract
To estimate species loss from habitat destruction, ecologists typically use species-area relationships, but this approach neglects the spatial pattern of habitat fragmentation. Here, we provide new, easily applied, analytical methods that place upper and lower bounds on immediate species loss at any spatial scale and for any spatial pattern of habitat loss. Our formulas are expressed in terms of what we name the 'Preston function', which describes triphasic species-area relationships for contiguous regions. We apply our method to case studies of deforestation and tropical tree species loss at three different scales: a 50 ha forest plot in Panama, the tropical city-state of Singapore and the Brazilian Amazon. Our results show that immediate species loss is somewhat insensitive to fragmentation pattern at small scales but highly sensitive at larger scales: predicted species loss in the Amazon varies by a factor of 16 across different spatial structures of habitat loss.
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Affiliation(s)
- Ryan A Chisholm
- Department of Biological Sciences, Faculty of Science, National University of Singapore, 14 Science Drive 4, Singapore, 117543, Singapore
| | - Felix Lim
- Department of Biological Sciences, Faculty of Science, National University of Singapore, 14 Science Drive 4, Singapore, 117543, Singapore.,Department of Animal and Plant Sciences, University of Sheffield, Sheffield, S10 2TN, UK
| | - Yi Shuen Yeoh
- Department of Biological Sciences, Faculty of Science, National University of Singapore, 14 Science Drive 4, Singapore, 117543, Singapore.,Department of Zoology, New Radcliffe House, Radcliffe Observatory Quarter, Woodstock Rd, Oxford, OX2 6GG, UK
| | - Wei Wei Seah
- Department of Biological Sciences, Faculty of Science, National University of Singapore, 14 Science Drive 4, Singapore, 117543, Singapore.,Herbarium, Singapore Botanic Gardens, National Parks Board, 1 Cluny Road, Singapore, 259569, Singapore
| | - Richard Condit
- Smithsonian Tropical Research Institute, P.O. Box 0843-03092, Balboa, Ancón, Panama
| | - James Rosindell
- Department of Life Sciences, Imperial College London, Silwood Park campus, Buckhurst Road, Ascot, Berkshire, SL5 7PY, UK
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36
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Abstract
Phosphorus availability is widely assumed to limit primary productivity in tropical forests, but support for this paradigm is equivocal. Although biogeochemical theory predicts that phosphorus limitation should be prevalent on old, strongly weathered soils, experimental manipulations have failed to detect a consistent response to phosphorus addition in species-rich lowland tropical forests. Here we show, by quantifying the growth of 541 tropical tree species across a steep natural phosphorus gradient in Panama, that phosphorus limitation is widespread at the level of individual species and strengthens markedly below a threshold of two parts per million exchangeable soil phosphate. However, this pervasive species-specific phosphorus limitation does not translate into a community-wide response, because some species grow rapidly on infertile soils despite extremely low phosphorus availability. These results redefine our understanding of nutrient limitation in diverse plant communities and have important implications for attempts to predict the response of tropical forests to environmental change.
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Affiliation(s)
- Benjamin L Turner
- Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Ancon, Panama
| | | | - Richard Condit
- Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Ancon, Panama
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37
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Zhu Y, Queenborough SA, Condit R, Hubbell SP, Ma KP, Comita LS. Density‐dependent survival varies with species life‐history strategy in a tropical forest. Ecol Lett 2018; 21:506-515. [DOI: 10.1111/ele.12915] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Revised: 10/03/2017] [Accepted: 01/03/2018] [Indexed: 01/20/2023]
Affiliation(s)
- Y. Zhu
- School of Forestry and Environmental Studies Yale University New Haven CT06511 USA
- State Key Laboratory of Vegetation and Environmental Change Institute of Botany Chinese Academy of Sciences 20 Nanxincun, Xiangshan Beijing100093 China
| | - S. A. Queenborough
- School of Forestry and Environmental Studies Yale University New Haven CT06511 USA
| | - R. Condit
- Morton Arboretum 4100 Illinois Rte. 53 Lisle IL60532 USA
- Field Museum of Natural History 1400 S. Lake Shore Dr. Chicago IL60605USA
| | - S. P. Hubbell
- Department of Ecology and Evolutionary Biology University of California Los Angeles CA90095 USA
- Smithsonian Tropical Research Institute Box 0843‐03092 Balboa Ancón Panama
| | - K. P. Ma
- State Key Laboratory of Vegetation and Environmental Change Institute of Botany Chinese Academy of Sciences 20 Nanxincun, Xiangshan Beijing100093 China
| | - L. S. Comita
- School of Forestry and Environmental Studies Yale University New Haven CT06511 USA
- Smithsonian Tropical Research Institute Box 0843‐03092 Balboa Ancón Panama
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38
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LaManna JA, Mangan SA, Alonso A, Bourg NA, Brockelman WY, Bunyavejchewin S, Chang LW, Chiang JM, Chuyong GB, Clay K, Condit R, Cordell S, Davies SJ, Furniss TJ, Giardina CP, Gunatilleke IAUN, Gunatilleke CVS, He F, Howe RW, Hubbell SP, Hsieh CF, Inman-Narahari FM, Janík D, Johnson DJ, Kenfack D, Korte L, Král K, Larson AJ, Lutz JA, McMahon SM, McShea WJ, Memiaghe HR, Nathalang A, Novotny V, Ong PS, Orwig DA, Ostertag R, Parker GG, Phillips RP, Sack L, Sun IF, Tello JS, Thomas DW, Turner BL, Vela Díaz DM, Vrška T, Weiblen GD, Wolf A, Yap S, Myers JA. Plant diversity increases with the strength of negative density dependence at the global scale. Science 2018; 356:1389-1392. [PMID: 28663501 DOI: 10.1126/science.aam5678] [Citation(s) in RCA: 133] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2016] [Revised: 03/14/2017] [Accepted: 05/16/2017] [Indexed: 01/24/2023]
Abstract
Theory predicts that higher biodiversity in the tropics is maintained by specialized interactions among plants and their natural enemies that result in conspecific negative density dependence (CNDD). By using more than 3000 species and nearly 2.4 million trees across 24 forest plots worldwide, we show that global patterns in tree species diversity reflect not only stronger CNDD at tropical versus temperate latitudes but also a latitudinal shift in the relationship between CNDD and species abundance. CNDD was stronger for rare species at tropical versus temperate latitudes, potentially causing the persistence of greater numbers of rare species in the tropics. Our study reveals fundamental differences in the nature of local-scale biotic interactions that contribute to the maintenance of species diversity across temperate and tropical communities.
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Affiliation(s)
- Joseph A LaManna
- Tyson Research Center, Washington University in St. Louis, St. Louis, MO, USA. .,Department of Biology, Washington University in St. Louis, St. Louis, MO, USA
| | - Scott A Mangan
- Department of Biology, Washington University in St. Louis, St. Louis, MO, USA
| | - Alfonso Alonso
- Center for Conservation and Sustainability, Smithsonian Conservation Biology Institute, National Zoological Park, Washington, DC, USA
| | - Norman A Bourg
- Conservation Ecology Center, Smithsonian Conservation Biology Institute, National Zoological Park, Front Royal, VA, USA.,National Research Program - Eastern Branch, U.S. Geological Survey, Reston, VA, USA
| | - Warren Y Brockelman
- Ecology Laboratory, BIOTEC, National Science and Technology Development Agency, Science Park, Pathum Thani, Thailand.,Institute of Molecular Biosciences, Mahidol University, Salaya, Nakhon Pathom, Thailand
| | - Sarayudh Bunyavejchewin
- Research Office, Department of National Parks, Wildlife and Plant Conservation, Bangkok, Thailand
| | - Li-Wan Chang
- Taiwan Forestry Research Institute, Taipei 10066, Taiwan
| | - Jyh-Min Chiang
- Department of Life Science, Tunghai University, Taichung, Taiwan
| | - George B Chuyong
- Department of Botany and Plant Physiology, University of Buea, Buea, Cameroon
| | - Keith Clay
- Department of Biology, Indiana University, Bloomington, IN, USA
| | - Richard Condit
- Smithsonian Tropical Research Institute, Balboa, Ancon, Republic of Panama
| | - Susan Cordell
- Institute of Pacific Islands Forestry, U.S. Department of Agriculture Forest Service, Hilo, HI, USA
| | - Stuart J Davies
- Center for Tropical Forest Science-Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Panama City, Republic of Panama.,Department of Botany, National Museum of Natural History, Washington, DC, USA
| | - Tucker J Furniss
- Wildland Resources Department, Utah State University, Logan, UT, USA
| | - Christian P Giardina
- Institute of Pacific Islands Forestry, U.S. Department of Agriculture Forest Service, Hilo, HI, USA
| | | | | | - Fangliang He
- Joint Lab for Biodiversity Conservation, Sun Yat-sen University (SYSU)-University of Alberta, State Key Laboratory of Biocontrol, School of Life Sciences, SYSU, Guangzhou 510275, China.,Department of Renewable Resources, University of Alberta, Edmonton, Alberta, Canada
| | - Robert W Howe
- Department of Natural and Applied Sciences, University of Wisconsin-Green Bay, Green Bay, WI, USA
| | - Stephen P Hubbell
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, Los Angeles, CA, USA
| | - Chang-Fu Hsieh
- Institute of Ecology and Evolutionary Biology, National Taiwan University, Taipei, Taiwan
| | - Faith M Inman-Narahari
- Institute of Pacific Islands Forestry, U.S. Department of Agriculture Forest Service, Hilo, HI, USA
| | - David Janík
- Department of Forest Ecology, Silva Tarouca Research Institute, Brno, Czech Republic
| | | | - David Kenfack
- Center for Tropical Forest Science-Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Panama City, Republic of Panama.,Department of Botany, National Museum of Natural History, Washington, DC, USA
| | - Lisa Korte
- Center for Conservation and Sustainability, Smithsonian Conservation Biology Institute, National Zoological Park, Washington, DC, USA
| | - Kamil Král
- Department of Forest Ecology, Silva Tarouca Research Institute, Brno, Czech Republic
| | - Andrew J Larson
- Department of Forest Management, College of Forestry and Conservation, University of Montana, Missoula, MT, USA
| | - James A Lutz
- Wildland Resources Department, Utah State University, Logan, UT, USA
| | - Sean M McMahon
- Center for Tropical Forest Science-Forest Global Earth Observatory, Smithsonian Environmental Research Center, Edgewater, MD, USA.,Forest Ecology Group, Smithsonian Environmental Research Center, Edgewater, MD, USA
| | - William J McShea
- Conservation Ecology Center, Smithsonian Conservation Biology Institute, National Zoological Park, Front Royal, VA, USA
| | - Hervé R Memiaghe
- Institut de Recherche en Ecologie Tropicale, Centre National de la Recherche Scientifique et Technologique, Libreville, Gabon
| | - Anuttara Nathalang
- Ecology Laboratory, BIOTEC, National Science and Technology Development Agency, Science Park, Pathum Thani, Thailand
| | - Vojtech Novotny
- New Guinea Binatang Research Centre, P.O. Box 604, Madang, Papua New Guinea.,Biology Centre, Academy of Sciences of the Czech Republic, Prague, Czech Republic.,Faculty of Science, University of South Bohemia, Branisovska 31, Ceske Budejovice 370 05, Czech Republic
| | - Perry S Ong
- Institute of Biology, University of the Philippines Diliman, Quezon City, Philippines
| | - David A Orwig
- Harvard Forest, Harvard University, Petersham, MA, USA
| | | | - Geoffrey G Parker
- Forest Ecology Group, Smithsonian Environmental Research Center, Edgewater, MD, USA
| | | | - Lawren Sack
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, Los Angeles, CA, USA
| | - I-Fang Sun
- Department of Natural Resources and Environmental Studies, National Dong Hwa University, Hualian, Taiwan
| | - J Sebastián Tello
- Center for Conservation and Sustainable Development, Missouri Botanical Gardens, St. Louis, MO, USA
| | - Duncan W Thomas
- School of Biological Sciences, Washington State University, Vancouver, WA, USA
| | - Benjamin L Turner
- Smithsonian Tropical Research Institute, Balboa, Ancon, Republic of Panama
| | - Dilys M Vela Díaz
- Department of Biology, Washington University in St. Louis, St. Louis, MO, USA
| | - Tomáš Vrška
- Department of Forest Ecology, Silva Tarouca Research Institute, Brno, Czech Republic
| | - George D Weiblen
- Department of Plant and Microbial Biology, University of Minnesota, St. Paul, MN, USA
| | - Amy Wolf
- Department of Natural and Applied Sciences, University of Wisconsin-Green Bay, Green Bay, WI, USA.,Department of Biology, University of Wisconsin-Green Bay, Green Bay, WI, USA
| | - Sandra Yap
- Institute of Arts and Sciences, Far Eastern University Manila, Manila, Philippines
| | - Jonathan A Myers
- Tyson Research Center, Washington University in St. Louis, St. Louis, MO, USA.,Department of Biology, Washington University in St. Louis, St. Louis, MO, USA
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McNickle GG, Lamb EG, Lavender M, Cahill JF, Schamp BS, Siciliano SD, Condit R, Hubbell SP, Baltzer JL. Checkerboard score-area relationships reveal spatial scales of plant community structure. OIKOS 2017. [DOI: 10.1111/oik.04620] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Gordon G. McNickle
- Dept of Botany and Plant Pathology and Center for Plant Biology; Purdue Univ.; West Lafayette IN USA
| | - Eric G. Lamb
- Dept of Plant Sciences; Univ. of Saskatchewan; Saskatoon SK Canada
| | - Mike Lavender
- Dept of Biological Sciences; Queen's Univ.; Kingston ON Canada
| | - James F Cahill
- Dept of Biological Sciences; Univ. of Alberta; Edmonton AB Canada
| | | | | | | | - Stephen P. Hubbell
- Dept of Ecology and Evolutionary Biology; Univ. of California Los Angeles; Los Angeles CA USA
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Affiliation(s)
- Hector M. Guzman
- Smithsonian Tropical Research InstituteP.O. Box 0843‐03092PanamaRepublic of Panama
| | - Richard Condit
- Smithsonian Tropical Research InstituteP.O. Box 0843‐03092PanamaRepublic of Panama
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41
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Condit R. THE EVOLUTION OF TRANSPOSABLE ELEMENTS: CONDITIONS FOR ESTABLISHMENT IN BACTERIAL POPULATIONS. Evolution 2017; 44:347-359. [PMID: 28564370 DOI: 10.1111/j.1558-5646.1990.tb05204.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/1988] [Accepted: 12/14/1989] [Indexed: 11/30/2022]
Abstract
Previous theoretical studies have shown that bacterial transposons can become established in populations by infectious transfer, even if they reduce the fitness of their host cells. Conditions for the persistence of "parasitic" transposons are, however, restrictive: i) transposition must be replicative, rather than conservative; ii) the rate of transposition must be greater than the loss in host fitness caused by the transposon; and iii) cells must exchange plasmids at rates greater than the fitness cost of the transposon. I sought to test the validity of the model underlying this theory by performing experiments with laboratory populations of the bacterium Escherichia coli, the conjugative plasmid R100, and the transposons Tn3 and Tn5. A plasmid-borne transposon was introduced at low frequency into a population of bacteria carrying the same plasmid without the transposon in a habitat where the transposon offered no benefit to its host. The fate of the invading transposon was followed by tracking the various bacterial populations appearing in the cultures. Using independent estimates of the parameters of the model, predicted population changes were generated with numerical solutions of the model, and these were compared to experimental results. Plasmids transferred into new hosts as predicted by the model, and the resulting transconjugant populations either maintained a steady low density or rose slowly in abundance. Transposition appeared to play no role in population changes. Abundance of all cell types fit theoretical predictions of a system with no transposition, despite evidence that transposition was taking place. This is exactly what the model predicted. It thus appears unlikely that deleterious or neutral transposons have much impact on the genetics of bacterial populations. This is consistent with the hypothesis that most bacterial transposons are not parasitic DNA, but rather invade and persist in populations by providing a fitness advantage to cells carrying them.
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Affiliation(s)
- Richard Condit
- Department of Zoology, University of Massachusetts, Amherst, MA, 01003
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42
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Turner BL, Zalamea PC, Condit R, Winter K, Wright SJ, Dalling JW. No evidence that boron influences tree species distributions in lowland tropical forests of Panama. New Phytol 2017; 214:108-119. [PMID: 27864964 DOI: 10.1111/nph.14322] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2016] [Accepted: 10/06/2016] [Indexed: 06/06/2023]
Abstract
It was recently proposed that boron might be the most important nutrient structuring tree species distributions in tropical forests. Here we combine observational and experimental studies to test this hypothesis for lowland tropical forests of Panama. Plant-available boron is uniformly low in tropical forest soils of Panama and is not significantly associated with any of the > 500 species in a regional network of forest dynamics plots. Experimental manipulation of boron supply to seedlings of three tropical tree species revealed no evidence of boron deficiency or toxicity at concentrations likely to occur in tropical forest soils. Foliar boron did not correlate with soil boron along a local scale gradient of boron availability. Fifteen years of boron addition to a tropical forest increased plant-available boron by 70% but did not significantly change tree productivity or boron concentrations in live leaves, wood or leaf litter. The annual input of boron in rainfall accounts for a considerable proportion of the boron in annual litterfall and is similar to the pool of plant-available boron in the soil, and is therefore sufficient to preclude boron deficiency. We conclude that boron does not influence tree species distributions in Panama and presumably elsewhere in the lowland tropics.
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Affiliation(s)
- Benjamin L Turner
- Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Ancon, Panama
| | - Paul-Camilo Zalamea
- Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Ancon, Panama
- Department of Plant Biology, University of Illinois, Urbana, IL, 61801, USA
| | - Richard Condit
- Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Ancon, Panama
| | - Klaus Winter
- Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Ancon, Panama
| | - S Joseph Wright
- Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Ancon, Panama
| | - James W Dalling
- Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Ancon, Panama
- Department of Plant Biology, University of Illinois, Urbana, IL, 61801, USA
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43
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Costa DP, Schwarz L, Robinson P, Schick RS, Morris PA, Condit R, Crocker DE, Kilpatrick AM. A Bioenergetics Approach to Understanding the Population Consequences of Disturbance: Elephant Seals as a Model System. The Effects of Noise on Aquatic Life II 2016; 875:161-9. [DOI: 10.1007/978-1-4939-2981-8_19] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Abstract
Biologists have raised objections to a new canal in Nicaragua, but in this Essay I argue that dire predictions of environmental catastrophe are exaggerated. I present an alternative view based on my research experience in Panama, where Canal operations foster forest conservation. Currently in Nicaragua, the rate of forest loss is so rapid that the canal cannot make it worse. Rather, I contend, adoption of international standards in canal construction could lead to net environmental and social benefits for the country.
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Affiliation(s)
- Richard Condit
- Smithsonian Tropical Research Institute, Panama City, Republic of Panama
- * E-mail:
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45
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Pérez R, Condit R, Lao S. Distribución, mortalidad y asociación con plantas, de nidos de <i>Paraponera clavata</i> (Hymenoptera: Formicidae) en la isla de Barro Colorado, Panamá. REV BIOL TROP 2015. [DOI: 10.15517/rbt.v47i4.19225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Se estudióla distribución, mortalidad, reclutarrúento y asociación con plantas, de 308 nidos de la hOnIÚga neotropical Paraponera clavata en una parcela de cincuenta hectáreas de bosque viejo en la isla de Barró Colorado entre septiembre de 1993 y febrero de 1995. Los nidos estaban distribuidos uniformemente a través de toda la parcela; y se asociaban de manera significativa con el· tipo de hábitat, existían más nidos de los esperados en las planicies altas y en la sección de bosque más joven de la parcela. La densidad promedio era de 6.2 nidos por hectárea. Los nidos con un mayor número de vecinos entre O y 20 m de distancia, tenían una mayor prob¡¡bilidad de morir, si se comparaban con aquéllos que se encontraban separados por distancias mayores. La mortalidad era entre 13.36 y 69.64% dependiendo del intervalo de censo, y el reclutamiento fue del 22.63 y 31.72%. Los nidos se encontraron en las bases de 84 especies de plantas, en 34 familias con cuatro categorías de forma de vida: 76 especies eran árboles, 5 especies eran arbustos, 2 especies eran palmas y l era liana. Ocho especies de plantas se asociaban positivamente con los nidos de la honIÚga. Plantas medianas entre 8 y 63.9 cm de DAP eran las más utilizadas. Arboles y arbustos pequeños presentan muy poca asociación con los nidos. La hOnIÚga no se asocia con árboles que tienen nectarios extratlorales. El 53% de los nidos tenían a Phrynus gervaisii (Amblypygi: Phrynidae) habitando en el interior. Estos nidos presentaron menores tasas de mortalidad en comparación con el resto.
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46
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Chisholm RA, Condit R, Rahman KA, Baker PJ, Bunyavejchewin S, Chen YY, Chuyong G, Dattaraja HS, Davies S, Ewango CEN, Gunatilleke CVS, Nimal Gunatilleke IAU, Hubbell S, Kenfack D, Kiratiprayoon S, Lin Y, Makana JR, Pongpattananurak N, Pulla S, Punchi-Manage R, Sukumar R, Su SH, Sun IF, Suresh HS, Tan S, Thomas D, Yap S. Temporal variability of forest communities: empirical estimates of population change in 4000 tree species. Ecol Lett 2014; 17:855-65. [PMID: 24805976 DOI: 10.1111/ele.12296] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2013] [Revised: 12/10/2013] [Accepted: 04/11/2014] [Indexed: 11/28/2022]
Abstract
Long-term surveys of entire communities of species are needed to measure fluctuations in natural populations and elucidate the mechanisms driving population dynamics and community assembly. We analysed changes in abundance of over 4000 tree species in 12 forests across the world over periods of 6-28 years. Abundance fluctuations in all forests are large and consistent with population dynamics models in which temporal environmental variance plays a central role. At some sites we identify clear environmental drivers, such as fire and drought, that could underlie these patterns, but at other sites there is a need for further research to identify drivers. In addition, cross-site comparisons showed that abundance fluctuations were smaller at species-rich sites, consistent with the idea that stable environmental conditions promote higher diversity. Much community ecology theory emphasises demographic variance and niche stabilisation; we encourage the development of theory in which temporal environmental variance plays a central role.
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Affiliation(s)
- Ryan A Chisholm
- Smithsonian Tropical Research Institute, P.O. Box 0843-03092, Balboa, Ancón, Republic of Panamá; Department of Biological Sciences, Faculty of Science, National University of Singapore, 14 Science Drive 4, Singapore, 117543, Singapore
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47
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Grote S, Condit R, Hubbell S, Wirth C, Rüger N. Response of demographic rates of tropical trees to light availability: can position-based competition indices replace information from canopy census data? PLoS One 2013; 8:e81787. [PMID: 24324723 PMCID: PMC3855810 DOI: 10.1371/journal.pone.0081787] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2013] [Accepted: 10/16/2013] [Indexed: 11/18/2022] Open
Abstract
For trees in tropical forests, competition for light is thought to be a central process that offers opportunities for niche differentiation through light gradient partitioning. In previous studies, a canopy index based on three-dimensional canopy census data has been shown to be a good predictor of species-specific demographic rates across the entire tree community on Barro Colorado Island, Panama, and has allowed quantifying between-species variation in light response. However, almost all other forest census plots lack data on the canopy structure. Hence, this study aims at assessing whether position-based neighborhood competition indices can replace information from canopy census data and produce similar estimates of the interspecific variation of light responses. We used inventory data from the census plot at Barro Colorado Island and calculated neighborhood competition indices with varying relative effects of the size and distance of neighboring trees. Among these indices, we selected the one that was most strongly correlated with the canopy index. We then compared outcomes of hierarchical Bayesian models for species-specific recruitment and growth rates including either the canopy index or the selected neighborhood competition index as predictor. Mean posterior estimates of light response parameters were highly correlated between models (r>0.85) and indicated that most species regenerate and grow better in higher light. Both light estimation approaches consistently found that the interspecific variation of light response was larger for recruitment than for growth rates. However, the classification of species into different groups of light response, e.g. weaker than linear (decelerating) vs. stronger than linear (accelerating) differed between approaches. These results imply that while the classification into light response groups might be biased when using neighborhood competition indices, they may be useful for determining species rankings and between-species variation of light response and therefore enable large comparative studies between different forest census plots.
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Affiliation(s)
- Steffi Grote
- Spezielle Botanik und Funktionelle Biodiversität, Universität Leipzig, Leipzig, Germany
| | - Richard Condit
- Center for Tropical Forest Science, Smithsonian Tropical Research Institute, Washington, District of Columbia, United States of America
| | - Stephen Hubbell
- Center for Tropical Forest Science, Smithsonian Tropical Research Institute, Washington, District of Columbia, United States of America
- Department of Ecology and Evolutionary Biology, University of California Los Angeles, Los Angeles, California, United States of America
| | - Christian Wirth
- Spezielle Botanik und Funktionelle Biodiversität, Universität Leipzig, Leipzig, Germany
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Leipzig, Germany
| | - Nadja Rüger
- Center for Tropical Forest Science, Smithsonian Tropical Research Institute, Washington, District of Columbia, United States of America
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Leipzig, Germany
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48
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Ren H, Condit R, Chen B, Mi X, Cao M, Ye W, Hao Z, Ma K. Geographical range and local abundance of tree species in China. PLoS One 2013; 8:e76374. [PMID: 24130772 PMCID: PMC3794993 DOI: 10.1371/journal.pone.0076374] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2013] [Accepted: 08/25/2013] [Indexed: 12/01/2022] Open
Abstract
Most studies on the geographical distribution of species have utilized a few well-known taxa in Europe and North America, with little research in China and its wide range of climate and forest types. We assembled large datasets to quantify the geographic ranges of tree species in China and to test several biogeographic hypotheses: 1) whether locally abundant species tend to be geographically widespread; 2) whether species are more abundant towards their range-centers; and 3) how abundances are correlated between sites. Local abundances of 651 species were derived from four tree plots of 20–25 ha where all individuals ≥1 cm in stem diameter were mapped and identified taxonomically. Range sizes of these species across China were then estimated from over 460,000 geo-referenced records; a Bayesian approach was used, allowing careful measures of error of each range estimate. The log-transformed range sizes had a bell-shaped distribution with a median of 703,000 km2, and >90% of 651 species had ranges >105 km2. There was no relationship between local abundance and range size, and no evidence for species being more abundant towards their range-centers. Finally, species’ abundances were positively correlated between sites. The widespread nature of most tree species in China suggests few are vulnerable to global extinction, and there is no indication of the double-peril that would result if rare species also had narrow ranges.
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Affiliation(s)
- Haibao Ren
- Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing, P.R. China
| | - Richard Condit
- Smithsonian Tropical Research Institute, Panama City, Republic of Panama
| | - Bin Chen
- Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing, P.R. China
| | - Xiangcheng Mi
- Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing, P.R. China
| | - Min Cao
- Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Kunming, P.R. China
| | - Wanhui Ye
- South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, P.R. China
| | - Zhanqing Hao
- Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, P.R. China
| | - Keping Ma
- Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Beijing, P.R. China
- * E-mail:
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49
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Abstract
Relationships between functional traits and average or potential demographic rates have provided insight into the functional constraints and trade-offs underlying life-history strategies of tropical tree species. We have extended this framework by decomposing growth rates of -130 000 trees of 171 Neotropical tree species into intrinsic growth and the response of growth to light and size. We related these growth characteristics to multiple functional traits (wood density, adult stature, seed mass, leaf traits) in a hierarchical Bayesian model that accounted for measurement error and intraspecific variability of functional traits. Wood density was the most important trait determining all three growth characteristics. Intrinsic growth rates were additionally strongly related to adult stature, while all traits contributed to light response. Our analysis yielded a predictive model that allows estimation of growth characteristics for rare species on the basis of a few easily measurable morphological traits.
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Affiliation(s)
- Nadja Rüger
- Universität Leipzig, AG Spezielle Botanik und Funktionelle Biodiversität, Johannisallee 21-23, 04103 Leipzig, Germany.
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50
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Condit R, Engelbrecht BMJ, Pino D, Pérez R, Turner BL. Species distributions in response to individual soil nutrients and seasonal drought across a community of tropical trees. Proc Natl Acad Sci U S A 2013; 110:5064-8. [PMID: 23440213 PMCID: PMC3612601 DOI: 10.1073/pnas.1218042110] [Citation(s) in RCA: 201] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Tropical forest vegetation is shaped by climate and by soil, but understanding how the distributions of individual tree species respond to specific resources has been hindered by high diversity and consequent rarity. To study species over an entire community, we surveyed trees and measured soil chemistry across climatic and geological gradients in central Panama and then used a unique hierarchical model of species occurrence as a function of rainfall and soil chemistry to circumvent analytical difficulties posed by rare species. The results are a quantitative assessment of the responses of 550 tree species to eight environmental factors, providing a measure of the importance of each factor across the entire tree community. Dry-season intensity and soil phosphorus were the strongest predictors, each affecting the distribution of more than half of the species. Although we anticipated clear-cut responses to dry-season intensity, the finding that many species have pronounced associations with either high or low phosphorus reveals a previously unquantified role for this nutrient in limiting tropical tree distributions. The results provide the data necessary for understanding distributional limits of tree species and predicting future changes in forest composition.
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Affiliation(s)
- Richard Condit
- Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Ancon, Republic of Panama.
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