Functional richness and relative resilience of bird communities in regions with different land use intensities

Fischer, J., Lindenmayer, D. B., Blomberg, S. P., Montague-Drake, R., Felton, A. and Stein, J. A. (2007) Functional richness and relative resilience of bird communities in regions with different land use intensities. Ecosystems, 10 6: 964-974. doi:10.1007/s10021-007-9064-5


Author Fischer, J.
Lindenmayer, D. B.
Blomberg, S. P.
Montague-Drake, R.
Felton, A.
Stein, J. A.
Title Functional richness and relative resilience of bird communities in regions with different land use intensities
Journal name Ecosystems   Check publisher's open access policy
ISSN 1432-9840
1435-0629
Publication date 2007-09-01
Sub-type Article (original research)
DOI 10.1007/s10021-007-9064-5
Volume 10
Issue 6
Start page 964
End page 974
Total pages 11
Place of publication New York, United States
Publisher Springer
Language eng
Subject 0602 Ecology
Abstract Empirical estimates of the function and resilience of communities under different management regimes can provide valuable information for sustainable natural resource management, but such estimates are scarce to date. We quantified the functional richness and relative resilience of bird communities inhabiting five regions in southeastern Australia that represented different management regimes. First, we show that functional richness and relative resilience were reduced at species-poor sites in all regions. Second, we show that bird communities in agricultural regions had fewer body mass groups and fewer functional groups than expected by chance. This suggests that both the function and the resilience of bird communities in agricultural regions were reduced. The likely mechanisms for the observed loss of function and relative resilience are: (1) the simplification of landscape texture resulting in selective extinction of certain body mass groups; and (2) the selective extinction of certain functional groups that are particularly sensitive to intensive land use.
Keyword Cross-scale redundancy
Functional diversity; functional groups
Intensive agriculture
Land use intensification
landscape texture
Redundancy
Resilience
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collections: Excellence in Research Australia (ERA) - Collection
School of Biological Sciences Publications
Ecology Centre Publications
 
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Created: Fri, 08 Jan 2010, 21:37:20 EST by Simon Utteridge on behalf of Faculty of Science