Population biology - Crash tests for real

被引:27
|
作者
May, RM [1 ]
机构
[1] Univ Oxford, Dept Zool, Oxford OX1 3PS, England
关键词
D O I
10.1038/18769
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Some populations of animals undergo dramatic cycles in which the numbers vary considerably, and the causes of such cycles have long been debated. Two long-term, large-scale experiments on red grouse in Scotland and voles in Finland conclude that the respective agents of population crashes in these cases are a parasitic nematode and predator pressure.
引用
收藏
页码:371 / 372
页数:2
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