Population structure ofCtenomys minutus (rodentia, ctenomyidae) on the coastal plain of Rio Grande do Sul, Brazil

被引：0
|
作者：
Jorge R. Marinho
Thales R. O. de Freitas
机构：
[1] Federal University of Rio Grande do Sul,Graduate Program in Animal Biology
[2] Genetic Department,undefined
来源：
Acta Theriologica | 2006年 / 51卷
关键词：
Rodentia; Ctenomyidae; population structure; sex dimorphism;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Ctenomys minutus Nehring, 1887 inhabits fields and pastures of the coastal plains of Santa Catarina (SC) and Rio Grande do Sul (RS), southern Brazil. This species shows territoriality, low vagility, and sedentary behavior. The sexr atio is unbalanced; there are more females both in the general (1.3∶1) and in the adult population (1.26∶1). The population was sexually dimorphic, with males being significantly larger than females in all measured in dividuals. Analysis indicated allometric form of variation in both sexes.
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页码：53 / 59
页数：6
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