CALCULATION AND USE OF SELECTIVITY COEFFICIENTS OF FEEDING - ZOOPLANKTON GRAZING

被引：254

作者：

VANDERPLOEG, HA

SCAVIA, D

机构：

[1] National Oceanic and Atmospheric Administration, Environmental Research Laboratories, Great Lakes Environmental Research Laboratory, Ann Arbor

来源：

ECOLOGICAL MODELLING | 1979年 / 7卷 / 02期

关键词：

D O I：

10.1016/0304-3800(79)90004-8

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

A straightforward method for calculating selectivity coefficients (Wij) of predation from raw data, mortality rates of prey, filtering rates, feeding rates and electivity indices is derived. Results from a comparison of selectivity coefficients for the copepod Diaptomus oregonensis grazing under a number of experimental conditions suggest that Wij's for size-selective feeding are invariant, a conclusion also supported by the leaky-sieve model. Recommendations are made on how to use Wij's in linear and nonlinear feeding constructs for zooplankton and other animals. © 1979.

引用

页码：135 / 149

页数：15

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