Population ecology of free-ranging urban dogs in West Bengal, India

被引：78

作者：

Pal, SK ^{[1
]}

机构：

[1] Katwa Bharati Bhaban, Katwa 713130, W Bengal, India

来源：

ACTA THERIOLOGICA | 2001年 / 46卷 / 01期

关键词：

Canis familiaris; reproduction; mortality; immigration;

D O I：

10.1007/BF03192418

中图分类号：

Q95 [动物学];

学科分类号：

071002 ;

摘要：

A population of urban free-ranging dogs Canis familiaris Linnaeus, 1758 was studied in Katwa, West Bengal, India. The analysis of changes in the density of the dog population over a period of 4 years revealed a considerable stability of this population. Mean (+/- SD) seasonal population density was 185 +/- 19 dogs/km(2), ranging from 156 to 214 dogs/km(2). A sex ratio of 1.37:1 in favour of male was recorded in this study. High mortality (67%) occurred under the age of 4 months, and 82% mortality occurred within the age of 1 year. Among the adults, 24% mortality under the age of 2.6 year was recorded. Only a single breeding cycle and synchronization of breeding was observed. Immigration was observed as a crucial factor affecting the stability of this population.

引用

页码：69 / 78

页数：10

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