Winter movements and habitat use of riverine brown trout, white sucker and common carp in relation to flooding and ice break-up

被引:50
作者
Brown, RS
Power, G
Beltaos, S
机构
[1] Univ Waterloo, Dept Biol, Waterloo, ON N2L 3G1, Canada
[2] Environm Canada, Natl Water Res Inst, Burlington, ON L7R 4A6, Canada
关键词
winter stranding; ice; flood; habitat; backwater;
D O I
10.1006/jfbi.2001.1725
中图分类号
S9 [水产、渔业];
学科分类号
0908 ;
摘要
Movement of radio-tagged riverine brown trout Salmo trutta, while sucker Catostomus commersoni and common carp Cyprinus carpio in the Grand Ri er. Ontario. was minimal during the winter except during periods of high water discharge or the break-up of river ice. Ice break-Up and flooding occur when southern air masses penetrate northwards in winter and as air temperatures increase in spring. Both white suckers and common carp moved the longest distances. generally in a downstream direction. during flooding and ice break-up. Brown trout moved less during these times, All three species had positive relationships between distance ino ed and water discharge. During periods of high water discharge and ice break-up, white Suckers and common carp used backwater habitats more and main channel habitats less than during periods of low water discharge. During high flows, brown trout tended to use runs more,Ind pools less. The break-up of river ice and accompanying flooding resulted in several fish being stranded on the floodplain. Backwater habitats appear to be important areas of refuge for riverine fishes during periods of flooding and ice break-LIP. (C) 2001 the Fisheries Society of the British Isles
引用
收藏
页码:1126 / 1141
页数:16
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