期刊
BIOLOGICAL JOURNAL OF THE LINNEAN SOCIETY
卷 116, 期 4, 页码 743-747出版社
OXFORD UNIV PRESS
DOI: 10.1111/bij.12618
关键词
alien species; anuran; Bufo marinus; invader; life history; reproductive output; trade-off
资金
- Australian Research Council [DP0772418, DP0984771, DP1094646, FL120100074]
- Australian Research Council [DP0984771, DP1094646, DP0772418] Funding Source: Australian Research Council
The rapid evolution of increased dispersal rate during a population's range expansion provides a unique opportunity to detect trade-offs between dispersal and reproduction. If a high reproductive rate slows down an individual's dispersal, vanguard individuals should exhibit a lower reproductive output than conspecifics from long-colonized areas. In the present study, we demonstrate a reduction in reproductive rate in highly dispersive invasion-front populations of cane toads in tropical Australia. (C) 2015 The Linnean Society of London.
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