Nested Faunas and Extinction in Fragmented Habitats

Nested Faunas and Extinction in Fragmented Habitats Abstract: The faunas of habitat islands, such as those produced by fragmentation of formerly continuous habitats, are commonly made up of nonrandom subsets of the total available species pool. Faunas within an archipelago may form a nested series, with depauperate faunas made up of subsets of more species‐rich faunas. The pattern is seldom perfect: widespread species may be absent from otherwise rich faunas (holes), and uncommon species may occur in depauperate faunas (outliers). The “nestedness” of an assemblage of faunas (its fit to the “nested subset model”; Patterson & Atmar 1986) can be measured by summing the holes and outliers. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Conservation Biology Wiley

Nested Faunas and Extinction in Fragmented Habitats

Conservation Biology, Volume 5 (4) – Dec 1, 1991

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Publisher
Wiley
Copyright
"Copyright © 1991 Wiley Subscription Services, Inc., A Wiley Company"
ISSN
0888-8892
eISSN
1523-1739
DOI
10.1111/j.1523-1739.1991.tb00357.x
Publisher site
See Article on Publisher Site

Abstract

Abstract: The faunas of habitat islands, such as those produced by fragmentation of formerly continuous habitats, are commonly made up of nonrandom subsets of the total available species pool. Faunas within an archipelago may form a nested series, with depauperate faunas made up of subsets of more species‐rich faunas. The pattern is seldom perfect: widespread species may be absent from otherwise rich faunas (holes), and uncommon species may occur in depauperate faunas (outliers). The “nestedness” of an assemblage of faunas (its fit to the “nested subset model”; Patterson & Atmar 1986) can be measured by summing the holes and outliers.

Journal

Conservation BiologyWiley

Published: Dec 1, 1991

References

  • Extinctions
    Diamond, J. M.

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