Site Tenacity in the Willow Ptarmigan (Lagopus lagopus L.) in the Northern Yamal Peninsula

被引:0
作者
V. V. Tarasov
机构
[1] Russian Academy of Sciences,Institute of Plant and Animal Ecology, Ural Division
来源
Russian Journal of Ecology | 2005年 / 36卷
关键词
territorial behavioral strategy; willow ptarmigan; polymorphism; northern Yamal;
D O I
暂无
中图分类号
学科分类号
摘要
The return of willow ptarmigans to the sites in which they nested the previous year has been studied using color banding. No factors influencing the return index have been revealed, except for its dependence in males on the time when spring begins in a given year. In northernYamal, in contrast to the temperate zone, some surviving birds fail to return to their former nesting sites. Polymorphism of individuals with respect to territorial behavioral strategy is proposed for L. lagopus populations at the northern boundary of the species range.
引用
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页码:193 / 199
页数:6
相关论文
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