EXPLOITATION OF SEED AGGREGATES BY MERRIAM KANGAROO RAT - HARVESTING RATES AND PREDATORY RISK

被引:47
作者
BOWERS, MA [1 ]
机构
[1] UNIV VIRGINIA, BLANDY EXPTL FARM, CHARLOTTESVILLE, VA 22903 USA
关键词
D O I
10.2307/1938644
中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
Results suggest that foraging decisions involve a balancing of energy gain with the perceived risk of being eaten, that these are evaluated at the scale of individual resource patches, and that Dipodomys merriami accepts proportionately more risk at higher resource levels. This study is one of the first to examine the interaction of responses to predation and patch quality. -from Author
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页码:2334 / 2344
页数:11
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