When to stay, when to go: trade-offs for southern African arid-zone birds in times of drought
Arid environments remind one of the punctuated equilibriumtheory of evolution: they experience long periods of stasis and low productivity, interrupted with episodic rainfall which spurs reproduction and movement. Birds, as highly dispersive organisms, are among the most dramatic indicators of these...
Main Authors: | W.R.J. Dean, P. Barnard, M.D. Anderson |
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Format: | Article |
Language: | English |
Published: |
Academy of Science of South Africa
2009-12-01
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Series: | South African Journal of Science |
Online Access: | http://192.168.0.108/index.php/sajs/article/view/10060 |
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