Why do species abundance distributions of individuals and of biomass behave differently under sampling?

被引：3
|
作者：
Williamson, Mark [1 ]
机构：
[1] Univ York, Dept Biol, York YO10 5DD, N Yorkshire, England
来源：
OIKOS | 2010年 / 119卷 / 11期
关键词：
NULL HYPOTHESIS;
D O I：
10.1111/j.1600-0706.2010.18643.x
中图分类号：
Q14 [生态学（生物生态学）];
学科分类号：
071012 ; 0713 ;
摘要：
A surprising and important difference between species abundance distributions (SADs) of individuals and of biomass has been found in a wide variety of taxa. On sampling, individuals SADs are 'veiled', the left tail is missing, to an extent depending on the sampling intensity, while biomass SADs appear not to be veiled. The explanation offered here is that sampling is always of individuals, biomass is sampled only indirectly. Graphs of the community of birds in an English wood show how the explanation works. Biomass SADs are different from individuals SADs.
引用
收藏
页码：1697 / 1699
页数：3
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