Distribution dynamics of South American savanna birds in response to Quaternary climate change
Several lines of evidence suggest that savannas currently distributed disjointedly in the southern and northern portions of South America might have been connected and disconnected many times during the Quaternary climatic fluctuations. Here, we investigated how climate change since the Last Intergl...
| Autor principal: | Ribeiro, Vivian |
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| Outros Autores: | Werneck, F. P., Machado, Ricardo Bomfim |
| Grau: | Artigo |
| Idioma: | English |
| Publicado em: |
Austral Ecology
2020
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| Acesso em linha: |
https://repositorio.inpa.gov.br/handle/1/17235 |
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oai:repositorio:1-17235 |
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oai:repositorio:1-17235 Distribution dynamics of South American savanna birds in response to Quaternary climate change Ribeiro, Vivian Werneck, F. P. Machado, Ricardo Bomfim Cerrado Climate Change Community Composition Community Dynamics Ecological Modeling Geographical Distribution Last Glacial Last Glacial Maximum Last Interglacial Neotropical Region Passerine Population Distribution Savanna Amazonia Andes Atlantic Coast [south America] Brasil Madeira River Aves Several lines of evidence suggest that savannas currently distributed disjointedly in the southern and northern portions of South America might have been connected and disconnected many times during the Quaternary climatic fluctuations. Here, we investigated how climate change since the Last Interglacial may have modified the distribution of bird species associated with South American savannas. We evaluated the connections between South America's savannas using 10 broadly distributed species and the impact of climate changes in community composition using 18 species endemic to Cerrado. We fit ecological niche models to each of the 28 bird species to compare the potential distribution patterns for the Last Interglacial (120 kyr BP), the Last Glacial Maximum (21 kyr BP) and the present. Our results corroborated hypotheses of past connections between northern and southern blocks of savannas through three hypothetical corridors that existed along the Andes, Atlantic Coast and through central Amazonia. In addition, our results also suggested the existence of a fourth plausible corridor located along the Madeira River, crossing Amazonia from the southwest to the northeast. Finally, our analysis showed significant changes in the community composition dynamics of endemic Cerrado species. Our results further reinforce the notion that climate change has major impacts on the distribution of savanna species. © 2016 Ecological Society of Australia 2020-06-15T21:40:15Z 2020-06-15T21:40:15Z 2016 Artigo https://repositorio.inpa.gov.br/handle/1/17235 10.1111/aec.12363 en Volume 41, Número 7, Pags. 768-777 Restrito Austral Ecology |
| institution |
Instituto Nacional de Pesquisas da Amazônia - Repositório Institucional |
| collection |
INPA-RI |
| language |
English |
| topic |
Cerrado Climate Change Community Composition Community Dynamics Ecological Modeling Geographical Distribution Last Glacial Last Glacial Maximum Last Interglacial Neotropical Region Passerine Population Distribution Savanna Amazonia Andes Atlantic Coast [south America] Brasil Madeira River Aves |
| spellingShingle |
Cerrado Climate Change Community Composition Community Dynamics Ecological Modeling Geographical Distribution Last Glacial Last Glacial Maximum Last Interglacial Neotropical Region Passerine Population Distribution Savanna Amazonia Andes Atlantic Coast [south America] Brasil Madeira River Aves Ribeiro, Vivian Distribution dynamics of South American savanna birds in response to Quaternary climate change |
| topic_facet |
Cerrado Climate Change Community Composition Community Dynamics Ecological Modeling Geographical Distribution Last Glacial Last Glacial Maximum Last Interglacial Neotropical Region Passerine Population Distribution Savanna Amazonia Andes Atlantic Coast [south America] Brasil Madeira River Aves |
| description |
Several lines of evidence suggest that savannas currently distributed disjointedly in the southern and northern portions of South America might have been connected and disconnected many times during the Quaternary climatic fluctuations. Here, we investigated how climate change since the Last Interglacial may have modified the distribution of bird species associated with South American savannas. We evaluated the connections between South America's savannas using 10 broadly distributed species and the impact of climate changes in community composition using 18 species endemic to Cerrado. We fit ecological niche models to each of the 28 bird species to compare the potential distribution patterns for the Last Interglacial (120 kyr BP), the Last Glacial Maximum (21 kyr BP) and the present. Our results corroborated hypotheses of past connections between northern and southern blocks of savannas through three hypothetical corridors that existed along the Andes, Atlantic Coast and through central Amazonia. In addition, our results also suggested the existence of a fourth plausible corridor located along the Madeira River, crossing Amazonia from the southwest to the northeast. Finally, our analysis showed significant changes in the community composition dynamics of endemic Cerrado species. Our results further reinforce the notion that climate change has major impacts on the distribution of savanna species. © 2016 Ecological Society of Australia |
| format |
Artigo |
| author |
Ribeiro, Vivian |
| author2 |
Werneck, F. P. Machado, Ricardo Bomfim |
| author2Str |
Werneck, F. P. Machado, Ricardo Bomfim |
| title |
Distribution dynamics of South American savanna birds in response to Quaternary climate change |
| title_short |
Distribution dynamics of South American savanna birds in response to Quaternary climate change |
| title_full |
Distribution dynamics of South American savanna birds in response to Quaternary climate change |
| title_fullStr |
Distribution dynamics of South American savanna birds in response to Quaternary climate change |
| title_full_unstemmed |
Distribution dynamics of South American savanna birds in response to Quaternary climate change |
| title_sort |
distribution dynamics of south american savanna birds in response to quaternary climate change |
| publisher |
Austral Ecology |
| publishDate |
2020 |
| url |
https://repositorio.inpa.gov.br/handle/1/17235 |
| _version_ |
1787144131314712576 |
| score |
11.755432 |