EFFECTS OF TEMPERATURE AND DIFFERENT FOOD ORGANISMS ON THE RATE OF GASTRIC EVACUATION IN PERCH (PERCA-FLUVIATILIS)

被引：112

作者：

PERSSON, L

机构：

[1] Institute of Limnology, University of Lund

来源：

FRESHWATER BIOLOGY | 1979年 / 9卷 / 02期

关键词：

D O I：

10.1111/j.1365-2427.1979.tb01493.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. The rate of gastric evacuation in perch Perca fluviatilis was studied at different mean temperatures (range 4.0–21.7°C). Gastric evacuation rates were empirically described by an exponential function and the relationship between the instantaneous evacuation rate (R) and temperature was also exponential. Evacuation rates were not significantly different (P > 0.1) for the following food organisms: Gammarus pulex, Chaoborus, chironomids and zooplankton. The effects of temperature, different food organisms and fish size on the evacuation rates in different fish species are discussed. Copyright © 1979, Wiley Blackwell. All rights reserved

引用

页码：99 / 104

页数：6

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