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Fowler JC, Ziegler S, Whitney KD, Rudgers JA, Miller TEX. Microbial symbionts buffer hosts from the demographic costs of environmental stochasticity. Ecol Lett 2024; 27:e14438. [PMID: 38783567 DOI: 10.1111/ele.14438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 04/15/2024] [Accepted: 04/22/2024] [Indexed: 05/25/2024]
Abstract
Species' persistence in increasingly variable climates will depend on resilience against the fitness costs of environmental stochasticity. Most organisms host microbiota that shield against stressors. Here, we test the hypothesis that, by limiting exposure to temporally variable stressors, microbial symbionts reduce hosts' demographic variance. We parameterized stochastic population models using data from a 14-year symbiont-removal experiment including seven grass species that host Epichloë fungal endophytes. Results provide novel evidence that symbiotic benefits arise not only through improved mean fitness, but also through dampened inter-annual variance. Hosts with "fast" life-history traits benefited most from symbiont-mediated demographic buffering. Under current climate conditions, contributions of demographic buffering were modest compared to benefits to mean fitness. However, simulations of increased stochasticity amplified benefits of demographic buffering and made it the more important pathway of host-symbiont mutualism. Microbial-mediated variance buffering is likely an important, yet cryptic, mechanism of resilience in an increasingly variable world.
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Affiliation(s)
- Joshua C Fowler
- Department of BioSciences, Rice University, Houston, Texas, USA
- Department of Biology, University of Miami, Coral Gables, Florida, USA
| | - Shaun Ziegler
- Department of Biology, University of New Mexico, Albuquerque, New Mexico, USA
| | - Kenneth D Whitney
- Department of Biology, University of New Mexico, Albuquerque, New Mexico, USA
| | - Jennifer A Rudgers
- Department of Biology, University of New Mexico, Albuquerque, New Mexico, USA
| | - Tom E X Miller
- Department of BioSciences, Rice University, Houston, Texas, USA
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2
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DePrenger‐Levin M, Wunder MB. Pace and parity predict the short-term persistence of small plant populations. Ecol Evol 2024; 14:e11044. [PMID: 38380065 PMCID: PMC10877661 DOI: 10.1002/ece3.11044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Revised: 01/26/2024] [Accepted: 02/03/2024] [Indexed: 02/22/2024] Open
Abstract
Life history traits are used to predict asymptotic odds of extinction from dynamic conditions. Less is known about how life history traits interact with stochasticity and population structure of finite populations to predict near-term odds of extinction. Through empirically parameterized matrix population models, we study the impact of life history (reproduction, pace), stochasticity (environmental, demographic), and population history (existing, novel) on the transient population dynamics of finite populations of plant species. Among fast and slow pace and either a uniform or increasing reproductive intensity or short or long reproductive lifespan, slow, semelparous species are at the greatest risk of extinction. Long reproductive lifespans buffer existing populations from extinction while the odds of extinction of novel populations decrease when the reproductive effort is uniformly spread across the reproductive lifespan. Our study highlights the importance of population structure, pace, and two distinct aspects of parity for predicting near-term odds of extinction.
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Affiliation(s)
- Michelle DePrenger‐Levin
- Denver Botanic GardensDenverColoradoUSA
- Department of Integrative BiologyUniversity of Colorado DenverDenverColoradoUSA
| | - Michael B. Wunder
- Department of Integrative BiologyUniversity of Colorado DenverDenverColoradoUSA
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3
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Segura A, Rafael M, Vaz-Rodrigues R, Rodríguez O, Gortázar C, de la Fuente J. Tick infestation in spur-thighed tortoise population: a pilot study for unraveling epidemiological patterns and demographic consequences. EXPERIMENTAL & APPLIED ACAROLOGY 2023; 91:661-679. [PMID: 37973690 PMCID: PMC10689538 DOI: 10.1007/s10493-023-00863-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 11/06/2023] [Indexed: 11/19/2023]
Abstract
Ectoparasites, such as ticks, modulate host population dynamics by impacting demographic traits. They transmit infectious agents among their hosts, posing a critical threat to animal and public health. This study aimed to characterize and analyze the Hyalomma aegyptium infestation on one of its main hosts, the spur-thighed tortoise, its effects on demographic traits, and to determine the diversity of infectious agents present in both ticks and tortoises in the Maamora forest (northwestern Morocco). Our results show that 100% of the tortoises were parasitized by adult ticks in spring, an infestation intensity of 4 ticks/tortoise (5.1 and 3.6 ticks/tortoise in males and females, respectively; 4.2 and 3.3 ticks/tortoise in gravid and non-gravid females, respectively) and an abundance ranging from 1 to 12. Although without significant differences, male tortoises had higher tick abundances than females. The interaction of tortoise sex and body condition was significantly related to tick abundance, male body condition decreased with higher tick abundance in contrast to females. Nevertheless, the interaction of body condition and reproductive stage of females was not significantly related to tick abundance. Gravid females were significantly associated with tick abundance, showing a slightly higher infestation than non-gravid females. Molecular analysis of pooled tick samples revealed the presence of Ehrlichia ewingii, Candidatus Midichloria mitochondrii, and Rickettsia africae, with a minimum infection rate of 0.61 to 1.84%. However, blood sample analysis of the tortoises was infectious agent-free, pinpointing a lack of significant health problems. Given the possible effect on the transmission of zoonotic diseases by spur-thighed tortoises associated with their frequent collection as pets, it should be surveyed to control possible human health problems. In conservation terms, as a long-lived species, the role of tick infestation in demographic traits might be included in the management and conservation programs of spur-thighed tortoises.
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Affiliation(s)
| | - Marta Rafael
- SaBio, Instituto de Investigación en Recursos Cinegéticos (IREC), Consejo Superior de Investigaciones Científicas (CSIC), Universidad de Castilla-La Mancha (UCLM)-Junta de Comunidades de Castilla-La Mancha (JCCM), Ronda de Toledo 12, Ciudad Real, 13005, Spain
| | - Rita Vaz-Rodrigues
- SaBio, Instituto de Investigación en Recursos Cinegéticos (IREC), Consejo Superior de Investigaciones Científicas (CSIC), Universidad de Castilla-La Mancha (UCLM)-Junta de Comunidades de Castilla-La Mancha (JCCM), Ronda de Toledo 12, Ciudad Real, 13005, Spain
| | | | - Christian Gortázar
- SaBio, Instituto de Investigación en Recursos Cinegéticos (IREC), Consejo Superior de Investigaciones Científicas (CSIC), Universidad de Castilla-La Mancha (UCLM)-Junta de Comunidades de Castilla-La Mancha (JCCM), Ronda de Toledo 12, Ciudad Real, 13005, Spain
| | - José de la Fuente
- SaBio, Instituto de Investigación en Recursos Cinegéticos (IREC), Consejo Superior de Investigaciones Científicas (CSIC), Universidad de Castilla-La Mancha (UCLM)-Junta de Comunidades de Castilla-La Mancha (JCCM), Ronda de Toledo 12, Ciudad Real, 13005, Spain.
- Center for Veterinary Health Sciences, Department of Veterinary Pathobiology, Oklahoma State University, Stillwater, OK, 74078, USA.
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4
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Rabaiotti D, Coulson T, Woodroffe R. Climate change is predicted to cause population collapse in a cooperative breeder. GLOBAL CHANGE BIOLOGY 2023; 29:6002-6017. [PMID: 37605853 DOI: 10.1111/gcb.16890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 05/29/2023] [Accepted: 06/05/2023] [Indexed: 08/23/2023]
Abstract
It has been suggested that animals may have evolved cooperative breeding strategies in response to extreme climatic conditions. Climate change, however, may push species beyond their ability to cope with extreme climates, and reduce the group sizes in cooperatively breeding species to a point where populations are no longer viable. Predicting the impact of future climates on these species is challenging as modelling the impact of climate change on their population dynamics requires information on both group- and individual-level responses to climatic conditions. Using a single-sex individual-based model incorporating demographic responses to ambient temperature in an endangered species, the African wild dog Lycaon pictus, we show that there is a threshold temperature above which populations of the species are predicted to collapse. For simulated populations with carrying capacities equivalent to the median size of real-world populations (nine packs), extinction risk increases once temperatures exceed those predicted in the best-case climate warming scenario (Representative Concentration Pathway [RCP] 2.6). The threshold is higher (between RCP 4.5 and RCP 6.0) for larger simulated populations (30 packs), but 84% of real-world populations number <30 packs. Simulated populations collapsed because, at high ambient temperatures, juvenile survival was so low that packs were no longer recruiting enough individuals to persist, leading them to die out. This work highlights the importance of social dynamics in determining impacts of climatic variables on social species, and the critical role that recruitment can play in driving population-level impacts of climate change. Population models parameterised on long-term data are essential for predicting future population viability under climate change.
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Affiliation(s)
- Daniella Rabaiotti
- Institute of Zoology, Zoological Society of London, London, UK
- Centre for Biodiversity and Environment Research, Department of Genetics, Evolution and Environment, Division of Biosciences, University College London, London, UK
| | - Tim Coulson
- Department of Biology, University of Oxford, Oxford, UK
| | - Rosie Woodroffe
- Institute of Zoology, Zoological Society of London, London, UK
- Centre for Biodiversity and Environment Research, Department of Genetics, Evolution and Environment, Division of Biosciences, University College London, London, UK
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5
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Milles A, Banitz T, Bielcik M, Frank K, Gallagher CA, Jeltsch F, Jepsen JU, Oro D, Radchuk V, Grimm V. Local buffer mechanisms for population persistence. Trends Ecol Evol 2023; 38:1051-1059. [PMID: 37558537 DOI: 10.1016/j.tree.2023.06.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 06/22/2023] [Accepted: 06/29/2023] [Indexed: 08/11/2023]
Abstract
Assessing and predicting the persistence of populations is essential for the conservation and control of species. Here, we argue that local mechanisms require a better conceptual synthesis to facilitate a more holistic consideration along with regional mechanisms known from metapopulation theory. We summarise the evidence for local buffer mechanisms along with their capacities and emphasise the need to include multiple buffer mechanisms in studies of population persistence. We propose an accessible framework for local buffer mechanisms that distinguishes between damping (reducing fluctuations in population size) and repelling (reducing population declines) mechanisms. We highlight opportunities for empirical and modelling studies to investigate the interactions and capacities of buffer mechanisms to facilitate better ecological understanding in times of ecological upheaval.
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Affiliation(s)
- Alexander Milles
- Department of Plant Ecology and Nature Conservation, University of Potsdam, Am Muhlenberg 3, 14476, Potsdam-Golm, Germany; Department of Ecological Modelling, Helmholtz Centre for Environmental Research - UFZ, Permoserstr. 15, 04318 Leipzig, Germany; Nationalparkamt Hunsrück-Hochwald, Research, Biotope- and Wildlife Management, Brückener Straße 24, 55765 Birkenfeld, Germany.
| | - Thomas Banitz
- Department of Ecological Modelling, Helmholtz Centre for Environmental Research - UFZ, Permoserstr. 15, 04318 Leipzig, Germany
| | - Milos Bielcik
- Freie Universität Berlin, Institute of Biology, Altensteinstr. 6, 14195 Berlin, Germany; Berlin-Brandenburg Institute of Advanced Biodiversity Research (BBIB), 14195 Berlin, Germany
| | - Karin Frank
- Department of Ecological Modelling, Helmholtz Centre for Environmental Research - UFZ, Permoserstr. 15, 04318 Leipzig, Germany; University of Osnabrück, Institute for Environmental Systems Research, Barbarastr. 12, 49076 Osnabrück, Germany; German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Puschstr. 4, 04103 Leipzig, Germany
| | - Cara A Gallagher
- Department of Plant Ecology and Nature Conservation, University of Potsdam, Am Muhlenberg 3, 14476, Potsdam-Golm, Germany
| | - Florian Jeltsch
- Department of Plant Ecology and Nature Conservation, University of Potsdam, Am Muhlenberg 3, 14476, Potsdam-Golm, Germany; Berlin-Brandenburg Institute of Advanced Biodiversity Research (BBIB), 14195 Berlin, Germany
| | - Jane Uhd Jepsen
- Department of Arctic Ecology, Norwegian Institute for Nature Research, Fram Centre, Hjalmar Johansens gt.14, 9007 Tromsø, Norway
| | - Daniel Oro
- Centre d'Estudis Avançats de Blanes (CEAB - CSIC), Acces Cala Sant Francesc 14, 17300 Blanes, Girona, Spain.
| | - Viktoriia Radchuk
- Ecological Dynamics Department, Leibniz Institute for Zoo and Wildlife Research, 10315 Berlin, Germany
| | - Volker Grimm
- Department of Plant Ecology and Nature Conservation, University of Potsdam, Am Muhlenberg 3, 14476, Potsdam-Golm, Germany; Department of Ecological Modelling, Helmholtz Centre for Environmental Research - UFZ, Permoserstr. 15, 04318 Leipzig, Germany; German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Puschstr. 4, 04103 Leipzig, Germany
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6
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Rodríguez-Caro RC, Graciá E, Blomberg SP, Cayuela H, Grace M, Carmona CP, Pérez-Mendoza HA, Giménez A, Salguero-Gómez R. Anthropogenic impacts on threatened species erode functional diversity in chelonians and crocodilians. Nat Commun 2023; 14:1542. [PMID: 36977697 PMCID: PMC10050202 DOI: 10.1038/s41467-023-37089-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 03/01/2023] [Indexed: 03/30/2023] Open
Abstract
The Anthropocene is tightly associated with a drastic loss of species worldwide and the disappearance of their key ecosystem functions. The orders Testudines (turtles and tortoises) and Crocodilia (crocodiles, alligators, and gharials) contain numerous threatened, long-lived species for which the functional diversity and potential erosion by anthropogenic impacts remains unknown. Here, we examine 259 (69%) of the existing 375 species of Testudines and Crocodilia, quantifying their life history strategies (i.e., trade-offs in survival, development, and reproduction) from open-access data on demography, ancestry, and threats. We find that the loss of functional diversity in simulated extinction scenarios of threatened species is greater than expected by chance. Moreover, the effects of unsustainable local consumption, diseases, and pollution are associated with life history strategies. In contrast, climate change, habitat disturbance, and global trade affect species independent of their life history strategy. Importantly, the loss of functional diversity for threatened species by habitat degradation is twice that for all other threats. Our findings highlight the importance of conservation programmes focused on preserving the functional diversity of life history strategies jointly with the phylogenetic representativity of these highly threatened groups.
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Affiliation(s)
- R C Rodríguez-Caro
- Department of Biology, University of Oxford, 11a Mansfield Road, Oxford, OX1 3SZ, UK.
- Departamento de Biología Aplicada, Universidad Miguel Hernández, Elche, 03202, Alicante, Spain.
- Departamento de Ecología, Universidad de Alicante, San Vicent del Raspeig, 03690, Alicante, Spain.
| | - E Graciá
- Departamento de Biología Aplicada, Universidad Miguel Hernández, Elche, 03202, Alicante, Spain
- Centro de Investigación e Innovación Agroalimentaria y Agroambiental (CIAGRO-UMH), Universidad Miguel Hernández, 03312, Orihuela, Spain
| | - S P Blomberg
- School of Biological Sciences, The University of Queensland, Brisbane, QLD, 4072, Australia
| | - H Cayuela
- Laboratoire de Biométrie et Biologie Evolutive, Université Lyon 1, CNRS, UMR 5558, F-769622, Villeurbanne, France
| | - M Grace
- Department of Biology, University of Oxford, 11a Mansfield Road, Oxford, OX1 3SZ, UK
| | - C P Carmona
- Institute of Ecology and Earth Sciences, University of Tartu, 50409, Tartu, Estonia
| | - H A Pérez-Mendoza
- Facultad de Estudios Superiores Iztacala, Universidad Autónoma de México, 54090, Tlalnepantla, México
| | - A Giménez
- Departamento de Biología Aplicada, Universidad Miguel Hernández, Elche, 03202, Alicante, Spain
- Centro de Investigación e Innovación Agroalimentaria y Agroambiental (CIAGRO-UMH), Universidad Miguel Hernández, 03312, Orihuela, Spain
| | - R Salguero-Gómez
- Department of Biology, University of Oxford, 11a Mansfield Road, Oxford, OX1 3SZ, UK.
- Max Plank Institute for Demographic Research, Konrad-Zuße Straße 1, 18057, Rostock, Germany.
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7
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Gil-Sánchez JM, Rodríguez-Caro RC, Moleón M, Martínez-Pastor MC, León-Ortega M, Eguía S, Graciá E, Botella F, Sánchez-Zapata JA, Martínez-Fernández J, Esteve-Selma MA, Giménez A. Predation impact on threatened spur-thighed tortoises by golden eagles when main prey is scarce. Sci Rep 2022; 12:17843. [PMID: 36284169 PMCID: PMC9596414 DOI: 10.1038/s41598-022-22288-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 10/12/2022] [Indexed: 01/20/2023] Open
Abstract
A reduction in adult survival in long-living species may compromise population growth rates. The spur-thighed tortoise (Testudo graeca) is a long-lived reptile that is threatened by habitat loss and fragmentation. Golden eagles (Aquila chrysaetos), whose breeding habitats overlap that of tortoises, may predate them by dropping them onto rocks and breaking their carapaces. In SE Spain, the number of golden eagles has increased in the last decades and the abundance of their main prey (i.e., rabbits Oryctolagus cuniculus) has decreased. Our aims were to 1) describe the role of tortoises in golden eagles' diet, and 2) estimate the predation impact of golden eagles on tortoises in eagles' territories and in the regional tortoise population. We collected regurgitated pellets and prey remains under eagle nests and roosts, and obtained information on tortoise abundance and population structure and rabbit abundance. We found that tortoises were an alternative prey to rabbits, so that eagles shifted to the former where the latter were scarce. The average predation rate on tortoises was very low at the two studied scales. However, eagles showed a marked selection for adult female tortoises, which led the tortoise sex ratio to be biased towards males in those eagle territories with higher tortoise predation. Whether this may compromise the spur-thighed tortoise long-term population viability locally deserves further attention.
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Affiliation(s)
- José M. Gil-Sánchez
- grid.4489.10000000121678994Department of Zoology, University of Granada, Avda. de Fuente Nueva, s/n, 18071 Granada, Spain
| | - Roberto C. Rodríguez-Caro
- grid.26811.3c0000 0001 0586 4893Department of Applied Biology, Miguel Hernández University, Avda. de la Universidad, s/n, 03202 Elche, Spain ,grid.4991.50000 0004 1936 8948Department of Zoology, Oxford University, 11a Mansfield Road, Oxford, OX1 3SZ UK ,grid.5268.90000 0001 2168 1800Department of Ecology, University of Alicante, Carr. de San Vicente del Raspeig, s/n, 03690 San Vicente del Raspeig, Alicante, Spain
| | - Marcos Moleón
- grid.4489.10000000121678994Department of Zoology, University of Granada, Avda. de Fuente Nueva, s/n, 18071 Granada, Spain
| | - María C. Martínez-Pastor
- grid.26811.3c0000 0001 0586 4893Department of Applied Biology, Miguel Hernández University, Avda. de la Universidad, s/n, 03202 Elche, Spain
| | - Mario León-Ortega
- Ulula Asociation: Nocturnal Bird Monitoring, C/Herreras y Moreras. 12, 30110 Churra, Murcia, Spain
| | - Sergio Eguía
- MENDIJOB, S.L., c/Rambla, 22, 30120 El Palmar, Murcia, Spain
| | - Eva Graciá
- grid.26811.3c0000 0001 0586 4893Department of Applied Biology, Miguel Hernández University, Avda. de la Universidad, s/n, 03202 Elche, Spain ,grid.26811.3c0000 0001 0586 4893Centro de Investigación e Innovación Agroalimentaria y Agroambiental (CIAGRO-UMH), Miguel Hernández University, Carretera de Beniel Km 3.2, 03312 Orihuela, Spain
| | - Francisco Botella
- grid.26811.3c0000 0001 0586 4893Department of Applied Biology, Miguel Hernández University, Avda. de la Universidad, s/n, 03202 Elche, Spain ,grid.26811.3c0000 0001 0586 4893Centro de Investigación e Innovación Agroalimentaria y Agroambiental (CIAGRO-UMH), Miguel Hernández University, Carretera de Beniel Km 3.2, 03312 Orihuela, Spain
| | - José A. Sánchez-Zapata
- grid.26811.3c0000 0001 0586 4893Department of Applied Biology, Miguel Hernández University, Avda. de la Universidad, s/n, 03202 Elche, Spain ,grid.26811.3c0000 0001 0586 4893Centro de Investigación e Innovación Agroalimentaria y Agroambiental (CIAGRO-UMH), Miguel Hernández University, Carretera de Beniel Km 3.2, 03312 Orihuela, Spain
| | | | - M. A. Esteve-Selma
- grid.10586.3a0000 0001 2287 8496Department of Ecology and Hydrology, University of Murcia, Campus de Espinardo, 30100 Murcia, Spain
| | - A. Giménez
- grid.26811.3c0000 0001 0586 4893Department of Applied Biology, Miguel Hernández University, Avda. de la Universidad, s/n, 03202 Elche, Spain ,grid.26811.3c0000 0001 0586 4893Centro de Investigación e Innovación Agroalimentaria y Agroambiental (CIAGRO-UMH), Miguel Hernández University, Carretera de Beniel Km 3.2, 03312 Orihuela, Spain
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8
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Sergio F, Tavecchia G, Blas J, Tanferna A, Hiraldo F, Korpimaki E, Beissinger SR. Hardship at birth alters the impact of climate change on a long-lived predator. Nat Commun 2022; 13:5517. [PMID: 36167683 PMCID: PMC9515099 DOI: 10.1038/s41467-022-33011-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 08/29/2022] [Indexed: 11/15/2022] Open
Abstract
Climate change is increasing the frequency of extreme events, such as droughts or hurricanes, with substantial impacts on human and wildlife communities. Extreme events can affect individuals through two pathways: by altering the fitness of adults encountering a current extreme, and by affecting the development of individuals born during a natal extreme, a largely overlooked process. Here, we show that the impact of natal drought on an avian predator overrode the effect of current drought for decades, so that individuals born during drought were disadvantaged throughout life. Incorporation of natal effects caused a 40% decline in forecasted population size and a 21% shortening of time to extinction. These results imply that climate change may erode populations more quickly and severely than currently appreciated, suggesting the urgency to incorporate “penalties” for natal legacies in the analytical toolkit of impact forecasts. Similar double impacts may apply to other drivers of global change. The long-term effects of extreme climate events in early life are largely overlooked in forecasts of climate change impacts. Here, the authors show that raptorial red kites born during drought are disadvantaged throughout life, and including this climate legacy leads to substantial decreases in forecasted population size and time to extinction.
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Affiliation(s)
- Fabrizio Sergio
- Department of Conservation Biology, Estación Biológica de Doñana - CSIC, 41092, Seville, Spain.
| | - Giacomo Tavecchia
- Population Ecology Group, Institute for Mediterranean Studies (IMEDEA), CSIC-UIB, 07190, Esporles, Spain
| | - Julio Blas
- Department of Conservation Biology, Estación Biológica de Doñana - CSIC, 41092, Seville, Spain
| | - Alessandro Tanferna
- Department of Conservation Biology, Estación Biológica de Doñana - CSIC, 41092, Seville, Spain
| | - Fernando Hiraldo
- Department of Conservation Biology, Estación Biológica de Doñana - CSIC, 41092, Seville, Spain
| | - Erkki Korpimaki
- Section of Ecology, Department of Biology, University of Turku, FI-20014, Turku, Finland
| | - Steven R Beissinger
- Department of Environmental Science, Policy & Management, University of California, Berkeley, 94720, CA, USA.,Museum of Vertebrate Zoology, University of California, Berkeley, 94720, CA, USA
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