Deep spawning of perch (Perca fluviatilis, L.) in the newly created Chabařovice Lake, Czech Republic

被引:0
|
作者
Martin Čech
Jiří Peterka
Milan Říha
Vladislav Draštík
Michal Kratochvíl
Jan Kubečka
机构
[1] Institute of Hydrobiology,Biology Centre, Academy of Sciences of the Czech Republic
来源
Hydrobiologia | 2010年 / 649卷
关键词
SCUBA diving; Aquatic vegetation; Common reed ; Eurasian water milfoil ; Spawning substrate; Lake management;
D O I
暂无
中图分类号
学科分类号
摘要
The egg strands of perch were found at up to a depth of 20.2 m and, on average, 88% of perch spawning activity occurred at depths greater than 3 m. Almost all the egg strands were deposited on dead vegetation. Ignoring deeper strata may cause drastic underestimation of perch spawning success in lakes.
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页码:375 / 378
页数:3
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