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High sensitivity of tropical forest birds to deforestation at lower altitudes.
Mills, Simon C; Socolar, Jacob B; Edwards, Felicity A; Parra, Edicson; Martínez-Revelo, Diego E; Ochoa Quintero, Jose Manuel; Haugaasen, Torbjørn; Freckleton, Robert P; Barlow, Jos; Edwards, David P.
Afiliación
  • Mills SC; Ecology and Evolutionary Biology, School of Biosciences, University of Sheffield, Sheffield, UK.
  • Socolar JB; Faculty of Environmental Sciences and Natural Resource Management, Norwegian University of Life Sciences, Ås, Norway.
  • Edwards FA; Cornell Lab of Ornithology, Cornell University, Ithaca, New York, USA.
  • Parra E; Ecology and Evolutionary Biology, School of Biosciences, University of Sheffield, Sheffield, UK.
  • Martínez-Revelo DE; RSPB Centre for Conservation Science, RSPB, Cambridge, UK.
  • Ochoa Quintero JM; Ecology and Evolutionary Biology, School of Biosciences, University of Sheffield, Sheffield, UK.
  • Haugaasen T; Asociación GAICA, Pasto, Colombia.
  • Freckleton RP; Instituto de Investigación de Recursos Biológicos Alexander von Humboldt, Bogotá, Colombia.
  • Barlow J; Faculty of Environmental Sciences and Natural Resource Management, Norwegian University of Life Sciences, Ås, Norway.
  • Edwards DP; Ecology and Evolutionary Biology, School of Biosciences, University of Sheffield, Sheffield, UK.
Ecology ; 104(1): e3867, 2023 01.
Article en En | MEDLINE | ID: mdl-36082832
Habitat conversion is a major driver of tropical biodiversity loss, but its effects are poorly understood in montane environments. While community-level responses to habitat loss display strong elevational dependencies, it is unclear whether these arise via elevational turnover in community composition and interspecific differences in sensitivity or elevational variation in environmental conditions and proximity to thermal thresholds. Here we assess the relative importance of inter- and intraspecific variation across the elevational gradient by quantifying how 243 forest-dependent bird species vary in sensitivity to landscape-scale forest loss across a 3000-m elevational gradient in the Colombian Andes. We find that species that live at lower elevations are strongly affected by loss of forest in the nearby landscape, while those at higher elevations appear relatively unperturbed, an effect that is independent of phylogeny. Conversely, we find limited evidence of intraspecific elevational gradients in sensitivity, with populations displaying similar sensitivities to forest loss, regardless of where they exist in a species' elevational range. Gradients in biodiversity response to habitat loss thus appear to arise via interspecific gradients in sensitivity rather than proximity to climatically limiting conditions.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Conservación de los Recursos Naturales / Altitud Tipo de estudio: Diagnostic_studies Límite: Animals Idioma: En Revista: Ecology Año: 2023 Tipo del documento: Article Pais de publicación: Estados Unidos
Texto completo
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XML
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Conservación de los Recursos Naturales / Altitud Tipo de estudio: Diagnostic_studies Límite: Animals Idioma: En Revista: Ecology Año: 2023 Tipo del documento: Article Pais de publicación: Estados Unidos