期刊
BIOSCIENCE
卷 62, 期 3, 页码 260-270出版社
OXFORD UNIV PRESS
DOI: 10.1525/bio.2012.62.3.7
关键词
biogeographical regionalization; cross-taxon comparisons; ecoregions; global biogeography; zoogeographical regions
类别
资金
- National Research Foundation of South Africa
- University of KwaZulu-Natal
The world's zoogeographical regions were historically defined on an intuitive basis, with no or a limited amount of analytical testing. Here, we aimed (a) to compare analytically defined global zoogeographical clusters for the herpetofauna, birds, mammals, and all these groups taken together (tetrapod vertebrates); (b) to use commonalities among these groups to propose an updated global zoogeographical regionalization; and (c) to describe the resulting regions in terms of vertebrate diversity and characteristic taxa. The clusters were remarkably uniform across taxa and similar to previous intuitively defined regions. Eleven vertebrate-rich (Nearctic, Caribbean, Neotropical, Andean, Palearctic, Afrotropical, Madagascan, Indo-Malaysian, Wallacean, New Guinean, Australian) and three vertebrate-poor (Arctic, Antarctic, Polynesian) zoogeographical regions were derived; the Neotropical,- Afrotropical, and Australian had the highest numbers of characteristic tetrapod genera. This updated regionalization provides analytically accurate divisions of the world, relevant to conservation, biogeographical research, and geography education.
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