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Structure and environmental relationships of insectivorous bat assemblages in tropical Australian savannas

Structure and environmental relationships of insectivorous bat assemblages in tropical Australian... Abstract Patterns in the composition of assemblages of microbat species sampled during the late dry season (the ‘build‐up’) in north Australian savannas were assessed against a range of environmental factors as well as four a priori defined habitat types (riparian, escarpments, coastal and woodlands). Distinct species assemblages were most strongly associated with topographic and climatic variables. There were also limited associations with vegetation structure, fire and local roost potential but no associations with insects or water availability. Total species diversity at sample sites was associated with distance to rivers and rainfall. In general, species assemblages were not clearly defined and the number of significant environmental associations was relatively few. We compare these associations with those reported for bat assemblages elsewhere in Australia. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Austral Ecology Wiley

Structure and environmental relationships of insectivorous bat assemblages in tropical Australian savannas

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References (106)

Publisher
Wiley
Copyright
Copyright © 2005 Wiley Subscription Services, Inc., A Wiley Company
ISSN
1442-9985
eISSN
1442-9993
DOI
10.1111/j.1442-9993.2005.01535.x
Publisher site
See Article on Publisher Site

Abstract

Abstract Patterns in the composition of assemblages of microbat species sampled during the late dry season (the ‘build‐up’) in north Australian savannas were assessed against a range of environmental factors as well as four a priori defined habitat types (riparian, escarpments, coastal and woodlands). Distinct species assemblages were most strongly associated with topographic and climatic variables. There were also limited associations with vegetation structure, fire and local roost potential but no associations with insects or water availability. Total species diversity at sample sites was associated with distance to rivers and rainfall. In general, species assemblages were not clearly defined and the number of significant environmental associations was relatively few. We compare these associations with those reported for bat assemblages elsewhere in Australia.

Journal

Austral EcologyWiley

Published: Dec 1, 2005

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