Species diversity and biological invasions: Relating local process to community pattern

被引：762

作者：

Levine, JM ^{[1
]}

机构：

[1] Univ Calif Berkeley, Dept Integrat Biol, Berkeley, CA 94720 USA

来源：

SCIENCE | 2000年 / 288卷 / 5467期

关键词：

D O I：

10.1126/science.288.5467.852

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：

In a California riparian system, the most diverse natural assemblages are the most invaded by exotic plants. A direct in situ manipulation of local diversity and a seed addition experiment showed that these patterns emerge despite the intrinsic negative effects of diversity on invasions. The results suggest that species loss at small scales may reduce invasion resistance. At community-wide scales, the overwhelming effects of ecological factors spatially covarying with diversity, such as propagule supply, make the most diverse communities most likely to be invaded.

引用

页码：852 / 854

页数：3

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