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Rosenfeld S, Maturana CS, Gañan M, Rendoll Cárcamo J, Díaz A, Contador T, Aldea C, Gonzalez-Wevar C, Orlando J, Poulin E. Revealing the hidden biodiversity of Antarctic and the Magellanic Sub-Antarctic Ecoregion: A comprehensive study of aquatic invertebrates from the BASE Project. Biodivers Data J 2023; 11:e108566. [PMID: 38318521 PMCID: PMC10840509 DOI: 10.3897/bdj.11.e108566] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Accepted: 08/11/2023] [Indexed: 02/07/2024] Open
Abstract
Background Antarctica, its outlying archipelagoes and the Magellanic Subantarctic (MSA) ecoregion are amongst the last true wilderness areas remaining on the planet. Therefore, the publication, citation and peer review of their biodiversity data are essential. The new Millennium Institute Biodiversity of Antarctic and Subantarctic Ecosystems (BASE), a Chilean scientific initiative funded by the National Agency of Research and Innovation, contributes 770 new records of aquatic invertebrates as a point of reference for present-day biodiversity research at these latitudes. New information The occurrence dataset presented here has never been released before and is the result of the systematic recording of occurrences of several taxa across the Antarctic, Subantarctic and Magellanic Subantarctic ecoregions. We collected data from marine and freshwater invertebrates across numerous samplings from 2008 to 2023. From the 770 occurrences, we identified 160 taxa, 125 at species level and 35 at the genus level. The database has been registered in the Global Biodiversity Information Facility (GBIF). The publication of this data paper was funded by the Belgian Science Policy Office (BELSPO, contract n°FR/36/AN1/AntaBIS) in the Framework of EU-Lifewatch as a contribution to the SCAR Antarctic biodiversity portal (biodiversity.aq).
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Affiliation(s)
- Sebastian Rosenfeld
- Millennium Institute Biodiversity of Antarctic and Subantarctic Ecosystems (BASE), Santiago, ChileMillennium Institute Biodiversity of Antarctic and Subantarctic Ecosystems (BASE)SantiagoChile
- Cape Horn International Center (CHIC), Puerto Williams, ChileCape Horn International Center (CHIC)Puerto WilliamsChile
- Centro de Investigación Gaia‑Antártica, Universidad de Magallanes, Punta Arenas, ChileCentro de Investigación Gaia‑Antártica, Universidad de MagallanesPunta ArenasChile
| | - Claudia S. Maturana
- Millennium Institute Biodiversity of Antarctic and Subantarctic Ecosystems (BASE), Santiago, ChileMillennium Institute Biodiversity of Antarctic and Subantarctic Ecosystems (BASE)SantiagoChile
- Cape Horn International Center (CHIC), Puerto Williams, ChileCape Horn International Center (CHIC)Puerto WilliamsChile
| | - Melisa Gañan
- Millennium Institute Biodiversity of Antarctic and Subantarctic Ecosystems (BASE), Santiago, ChileMillennium Institute Biodiversity of Antarctic and Subantarctic Ecosystems (BASE)SantiagoChile
- Cape Horn International Center (CHIC), Puerto Williams, ChileCape Horn International Center (CHIC)Puerto WilliamsChile
- Laboratorio de Estudios Dulceacuícolas Wankara, Programa de Conservación Biocultural Subantártica, Universidad de Magallanes, Puerto Williams, ChileLaboratorio de Estudios Dulceacuícolas Wankara, Programa de Conservación Biocultural Subantártica, Universidad de MagallanesPuerto WilliamsChile
- Millennium Nucleus of Austral Invasive Salmonids - INVASAL, Concepción, ChileMillennium Nucleus of Austral Invasive Salmonids - INVASALConcepciónChile
- FEHM-Lab (Freshwater Ecology, Hydrology and Management), Departament de Biologia Evolutiva, Ecologia i Ciències Ambientals, Facultat de Biologia, Universitat de Barcelona (UB), Diagonal 643, 08028, Barcelona, SpainFEHM-Lab (Freshwater Ecology, Hydrology and Management), Departament de Biologia Evolutiva, Ecologia i Ciències Ambientals, Facultat de Biologia, Universitat de Barcelona (UB), Diagonal 643, 08028BarcelonaSpain
- Institut de Recerca de la Biodiversitat (IRBio), Universitat de Barcelona (UB), Diagonal 643, 08028, Barcelona, SpainInstitut de Recerca de la Biodiversitat (IRBio), Universitat de Barcelona (UB), Diagonal 643, 08028BarcelonaSpain
| | - Javier Rendoll Cárcamo
- Millennium Institute Biodiversity of Antarctic and Subantarctic Ecosystems (BASE), Santiago, ChileMillennium Institute Biodiversity of Antarctic and Subantarctic Ecosystems (BASE)SantiagoChile
- Cape Horn International Center (CHIC), Puerto Williams, ChileCape Horn International Center (CHIC)Puerto WilliamsChile
- Laboratorio de Estudios Dulceacuícolas Wankara, Programa de Conservación Biocultural Subantártica, Universidad de Magallanes, Puerto Williams, ChileLaboratorio de Estudios Dulceacuícolas Wankara, Programa de Conservación Biocultural Subantártica, Universidad de MagallanesPuerto WilliamsChile
| | - Angie Díaz
- Millennium Institute Biodiversity of Antarctic and Subantarctic Ecosystems (BASE), Santiago, ChileMillennium Institute Biodiversity of Antarctic and Subantarctic Ecosystems (BASE)SantiagoChile
- Departamento de Zoología, Universidad de Concepción, Concepción, ChileDepartamento de Zoología, Universidad de ConcepciónConcepciónChile
| | - Tamara Contador
- Millennium Institute Biodiversity of Antarctic and Subantarctic Ecosystems (BASE), Santiago, ChileMillennium Institute Biodiversity of Antarctic and Subantarctic Ecosystems (BASE)SantiagoChile
- Cape Horn International Center (CHIC), Puerto Williams, ChileCape Horn International Center (CHIC)Puerto WilliamsChile
- Laboratorio de Estudios Dulceacuícolas Wankara, Programa de Conservación Biocultural Subantártica, Universidad de Magallanes, Puerto Williams, ChileLaboratorio de Estudios Dulceacuícolas Wankara, Programa de Conservación Biocultural Subantártica, Universidad de MagallanesPuerto WilliamsChile
- Millennium Nucleus of Austral Invasive Salmonids - INVASAL, Concepción, ChileMillennium Nucleus of Austral Invasive Salmonids - INVASALConcepciónChile
| | - Cristian Aldea
- Centro de Investigación Gaia‑Antártica, Universidad de Magallanes, Punta Arenas, ChileCentro de Investigación Gaia‑Antártica, Universidad de MagallanesPunta ArenasChile
| | - Claudio Gonzalez-Wevar
- Millennium Institute Biodiversity of Antarctic and Subantarctic Ecosystems (BASE), Santiago, ChileMillennium Institute Biodiversity of Antarctic and Subantarctic Ecosystems (BASE)SantiagoChile
- Facultad de Ciencias, Centro FONDAP IDEAL, Instituto de Ciencias Marinas y Limnológicas (ICML), Universidad Austral de Chile, Valdivia, ChileFacultad de Ciencias, Centro FONDAP IDEAL, Instituto de Ciencias Marinas y Limnológicas (ICML), Universidad Austral de ChileValdiviaChile
| | - Julieta Orlando
- Millennium Institute Biodiversity of Antarctic and Subantarctic Ecosystems (BASE), Santiago, ChileMillennium Institute Biodiversity of Antarctic and Subantarctic Ecosystems (BASE)SantiagoChile
- Departamento de Ciencias Ecológicas, Facultad de Ciencias, Universidad de Chile, Santiago, ChileDepartamento de Ciencias Ecológicas, Facultad de Ciencias, Universidad de ChileSantiagoChile
| | - Elie Poulin
- Millennium Institute Biodiversity of Antarctic and Subantarctic Ecosystems (BASE), Santiago, ChileMillennium Institute Biodiversity of Antarctic and Subantarctic Ecosystems (BASE)SantiagoChile
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Rendoll Cárcamo J, Contador T, Gañán M, Pérez Troncoso C, Maldonado Márquez A, Convey P, Kennedy J, Rozzi R. Altitudinal gradients in Magellanic sub-Antarctic lagoons: the effect of elevation on freshwater macroinvertebrate diversity and distribution. PeerJ 2019; 7:e7128. [PMID: 31392086 PMCID: PMC6673463 DOI: 10.7717/peerj.7128] [Citation(s) in RCA: 5] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Accepted: 05/15/2019] [Indexed: 11/20/2022] Open
Abstract
Background The study of altitudinal gradients provides insights about species diversity, distribution patterns and related drivers. The Magellanic sub-Antarctic ecoregion has a steep elevational gradient, peaking at around 1,000 m a.s.l., and marked changes in temperature and landscape composition can be observed over relatively short distances. Methods This study assessed freshwater macroinvertebrate diversity associated with lakes and ponds along the altitudinal gradient of a Magellanic sub-Antarctic watershed. Results A monotonic decline in species richness was observed with increasing elevation, with simpler and more even community composition at higher altitude. This pattern differs from the mid-peak trend found in streams of the same watershed. Functional feeding group structure also diminished with increasing elevation. Discussion The study provides a descriptive baseline of macroinvertebrate community structure associated with lentic freshwater ecosystems in the Magellanic sub-Antarctic ecoregion, and confirms that elevation has substantial effects on community structure, function and environmental features, even in these relatively low elevation mountain ranges. The harsh environmental conditions of this ecoregion increase freshwater macroinvertebrate development time, as well as decreasing habitat availability and food supply, supporting simple but well adapted communities. In conjunction with previous research, this study provides a watershed-scale platform of information underpinning future long-term research in the region.
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Affiliation(s)
- Javier Rendoll Cárcamo
- Wankara Sub-Antarctic and Antarctic Freshwater Ecosystems Laboratory, Universidad de Magallanes, Puerto Williams, Magallanes, Chile.,Subantarctic Biocultural Conservation Program, Omora Ethnobotanical Park, Universidad de Magallanes, Puerto Williams, Magallanes, Chile.,Institute of Ecology and Biodiversity, Universidad de Chile, Santiago, Chile
| | - Tamara Contador
- Wankara Sub-Antarctic and Antarctic Freshwater Ecosystems Laboratory, Universidad de Magallanes, Puerto Williams, Magallanes, Chile.,Subantarctic Biocultural Conservation Program, Omora Ethnobotanical Park, Universidad de Magallanes, Puerto Williams, Magallanes, Chile.,Institute of Ecology and Biodiversity, Universidad de Chile, Santiago, Chile.,Núcleo Milenio de Salmónidos Invasores, INVASAL, Iniciativa Científica Milenio, ICM, Núcleo Científico Milenio, Concepción, Chile
| | - Melisa Gañán
- Wankara Sub-Antarctic and Antarctic Freshwater Ecosystems Laboratory, Universidad de Magallanes, Puerto Williams, Magallanes, Chile
| | - Carolina Pérez Troncoso
- Wankara Sub-Antarctic and Antarctic Freshwater Ecosystems Laboratory, Universidad de Magallanes, Puerto Williams, Magallanes, Chile.,Subantarctic Biocultural Conservation Program, Omora Ethnobotanical Park, Universidad de Magallanes, Puerto Williams, Magallanes, Chile.,Institute of Ecology and Biodiversity, Universidad de Chile, Santiago, Chile.,Núcleo Milenio de Salmónidos Invasores, INVASAL, Iniciativa Científica Milenio, ICM, Núcleo Científico Milenio, Concepción, Chile
| | - Alan Maldonado Márquez
- Wankara Sub-Antarctic and Antarctic Freshwater Ecosystems Laboratory, Universidad de Magallanes, Puerto Williams, Magallanes, Chile.,Subantarctic Biocultural Conservation Program, Omora Ethnobotanical Park, Universidad de Magallanes, Puerto Williams, Magallanes, Chile.,Institute of Ecology and Biodiversity, Universidad de Chile, Santiago, Chile.,Núcleo Milenio de Salmónidos Invasores, INVASAL, Iniciativa Científica Milenio, ICM, Núcleo Científico Milenio, Concepción, Chile
| | - Peter Convey
- British Antarctic Survey, NERC, Cambridge, United Kingdom
| | - James Kennedy
- Wankara Sub-Antarctic and Antarctic Freshwater Ecosystems Laboratory, Universidad de Magallanes, Puerto Williams, Magallanes, Chile.,Subantarctic Biocultural Conservation Program, Omora Ethnobotanical Park, Universidad de Magallanes, Puerto Williams, Magallanes, Chile.,Department of Biological Sciences, University of North Texas, Denton, United States of America
| | - Ricardo Rozzi
- Subantarctic Biocultural Conservation Program, Omora Ethnobotanical Park, Universidad de Magallanes, Puerto Williams, Magallanes, Chile.,Institute of Ecology and Biodiversity, Universidad de Chile, Santiago, Chile.,Department of Philosophy and Religion, University of North Texas, Denton, United States of America
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