LABORATORY EXPERIMENTS ON PREY SELECTION BY PERCH FRY (PERCA-FLUVIATILIS)

被引：46

作者：

FURNASS, TI

机构：

[1] Freshwater Biological Association, Windermere Laboratory

来源：

FRESHWATER BIOLOGY | 1979年 / 9卷 / 01期

关键词：

D O I：

10.1111/j.1365-2427.1979.tb01484.x

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

SUMMARY. In laboratory experiments, prey selection of zooplankters by starved perch fry (Perca fluviatilis) from Windermere, English Lake District, is temporally variable and there is usually, in the short‐term, a persistent succession from one actively selected prey species to another. Provided that the prey is visible, the patterns of prey selection are maintained irrespective of the accessibility of the prey. The fish do not optimize their energy intake per effort. The method of observing predation activity by fish shows qualitative and quantitative prey selection as time progresses in great detail. Copyright © 1979, Wiley Blackwell. All rights reserved

引用

页码：33 / 43

页数：11

共 23 条

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