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Bones, Clones, and BiomesThe History and Geography of Recent Neotropical Mammals$
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Bruce D. Patterson and Leonora P. Costa

Print publication date: 2012

Print ISBN-13: 9780226649191

Published to Chicago Scholarship Online: February 2013

DOI: 10.7208/chicago/9780226649214.001.0001

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Historical Fragmentation Shaping Vertebrate Diversification in the Atlantic Forest Biodiversity Hotspot

Historical Fragmentation Shaping Vertebrate Diversification in the Atlantic Forest Biodiversity Hotspot

Chapter:
(p.283) 13 Historical Fragmentation Shaping Vertebrate Diversification in the Atlantic Forest Biodiversity Hotspot
Source:
Bones, Clones, and Biomes
Author(s):
Leonora P. Costa, Yuri L. R. Leite
Publisher:
University of Chicago Press
DOI:10.7208/chicago/9780226649214.003.0013

The Atlantic Forest is one of the world's 32 biodiversity hotspots, reflecting its high levels of plant and animal richness, endemism, and threats. Traditional biogeographic studies, based mainly on plants and other vertebrate groups, such as lizards, have long pointed out the singularities of this area, as well as provided indications of a marked distinction between north and south components in the Atlantic Forest. Phylogeographic studies have documented and reinforced the general pattern of southern and northern components for many taxonomic groups, including rodents, marsupials, carnivores, and xenarthrans, as well as for other vertebrates, such as lizards, birds, snakes, and frogs. There are striking phylogeographic breaks within the Atlantic Forest, most of them represented by northern and southern components that converge at 20°S latitude, suggesting a common vicariant event. However, it remains to be determined when and where the Atlantic Forest phylogroups were isolated, what events were responsible for their isolation, and how the different groups responded to such events.

Keywords:   vertebrates, biodiversity, biogeography, phylogeographic, Atlantic Forest

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