ADDITIONAL EVIDENCE SUPPORTING DEMIC BEHAVIOR OF A YELLOW PERCH (PERCA-FLAVESCENS) POPULATION

被引：34

作者：

AALTO, SK ^{[1
]}

NEWSOME, GEB ^{[1
]}

机构：

[1] ST FRANCIS XAVIER UNIV,DEPT BIOL,ANTIGONISH B2G 1C0,NS,CANADA

来源：

CANADIAN JOURNAL OF FISHERIES AND AQUATIC SCIENCES | 1990年 / 47卷 / 10期

关键词：

D O I：

10.1139/f90-220

中图分类号：

S9 [水产、渔业];

学科分类号：

0908 ;

摘要：

During 1978-1989, the egg-masses deposited by females along isobathic transects at a number of sites in Lochaber Lake, Nova Scotia, were counted. During 1984-1987, egg-masses were removed from one of the sites in the lake during the spawning seasons. There was a statistically significant reduction in the proportion of egg-masses deposited within the boundaries of the site from which the egg-masses were removed. Analysis strongly suggests that the model of perch spawning behaviour which assumes that any perch selects a spawning site independently of its natal site may be rejected. This result provides additional support for the hypothesis that yellow perch exhibit demic behaviour. -from Authors

引用

页码：1959 / 1962

页数：4

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