MICROHABITAT SELECTION OF OSTRACODS IN RELATION TO PREDATION AND FOOD

被引：29
|
作者：
MBAHINZIREKI, G
UIBLEIN, F
WINKLER, H
机构：
[1] AUSTRIAN ACAD SCI,INST LIMNOL,A-5310 MONDSEE,AUSTRIA
[2] AUSTRIAN ACAD SCI,INST VERGLEICHENDE VERHALTENSFORSCH,A-1160 VIENNA,AUSTRIA
来源：
HYDROBIOLOGIA | 1991年 / 222卷 / 02期
关键词：
OSTRACODA; PREDATION RISK; HABITAT SELECTION; CYPRINIDS; PREY SELECTION;
D O I：
10.1007/BF00006099
中图分类号：
Q17 [水生生物学];
学科分类号：
071004 ;
摘要：
Experiments with the cyprinid fish Vimba vimba as predator and the ostracods Cypridopsis vidua, Darwinula stevensoni and Cytherissa lacustris as prey show that conspicuous coloration enhances predation risk for the ostracods. When the ostracods are allowed to retreat into sediment, risk is markedly reduced. Ostracods show clear microhabitat preferences which are influenced by habitat structure and food supply. Exposed plant surfaces are visited only if they bear food and if the ostracods are not satiated.
引用
收藏
页码：115 / 119
页数：5
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