Evidence of lake trout spawning in Lake Erie

被引:10
|
作者
Fitzsimons, JD [1 ]
Williston, TB [1 ]
机构
[1] Great Lakes Lab Fisheries & Aquat Sci, Bayfield Inst, Burlington, ON L7R 4A6, Canada
关键词
eggs; lake trout; restoration;
D O I
10.1016/S0380-1330(00)70710-6
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
In 1994 and 1995, 180 lake trout (Salvelinus namaycush) eggs were collected from two spawning sites in southeastern Lake Erie. This provides the first evidence of spawning by lake trout in the lake since stocking began in 1975. Egg abundances (11 and 63 eggs/m(2)) were similar to the mean reported for natural spawning areas in Lake Ontario (52 eggs/m(2)). No spawning was evident at one site sampled in northeastern Lake Erie in 1995.
引用
收藏
页码:489 / 494
页数:6
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