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Title: A dynamic continental moisture gradient drove Amazonian bird diversification
Authors: Silva, Sofia Marques
Townsend Peterson, A.
Carneiro, Lincoln Silva
Burlamaqui, Tibério César Tortola
Ribas, Camila Cherem
Sousa-Neves, Tiago
Miranda, Leonardo S.
Fernandes, Alexandre Mendes
D'Horta, Fernando Mendonça
Araújo-Silva, Lucas Eduardo
Batista, Romina B.
Bandeira, Cinthia Helena M.M.
Dantas, Sidnei de Melo
Ferreira, Mateus
Martins, Denise M.
Oliveira, Joiciane C.
Rocha, Tainá C.
Sardelli, Carla Haisler
Thom, Gregory
Rêgo, Péricles Sena do
Santos, Marcos Pérsio Dantas
Sequeira, Fernando
Vallinoto, M. Nazareno Souza
Aleixo, Alexandre
Keywords: Birds
Basin Evolution
High Rate
Landscape Dynamics
Moisture Gradient
Primary Sources
Climate Change
Issue Date: 2019
metadata.dc.publisher.journal: Science Advances
metadata.dc.relation.ispartof: Volume 5, Número 7
Abstract: The Amazon is the primary source of Neotropical diversity and a nexus for discussions on processes that drive biotic diversification. Biogeographers have focused on the roles of rivers and Pleistocene climate change in explaining high rates of speciation. We combine phylogeographic and niche-based paleodistributional projections for 23 upland terra firme forest bird lineages from across the Amazon to derive a new model of regional biological diversification. We found that climate-driven refugial dynamics interact with dynamic riverine barriers to produce a dominant pattern: Older lineages in the wetter western and northern parts of the Amazon gave rise to lineages in the drier southern and eastern parts. This climate/drainage basin evolution interaction links landscape dynamics with biotic diversification and explains the east-west diversity gradients across the Amazon. Copyright © 2019 The Authors.
metadata.dc.identifier.doi: 10.1126/sciadv.aat5752
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