The Social Organization and Reproductive Strategies of Stray Dogs in Yangmingshan National Park
Date Issued
2004
Date
2004
Author(s)
Lin, Chien-Chou
DOI
zh-TW
Abstract
Stray dogs have caused disturbance on people and wildlife in Taiwan. In order to collect the basic information on the social organization and reproductive ecology for management as well as for the information on the adaptation from domesticated animals back to the nature, stray dogs were observed at Lungfengku in Yangmingshan National Park, Taiwan. From July 1999 to November 2000, I surveyed stray dogs along a routine route within a 7.5 ha study area, and observed or video taped their behaviors. This route was surveyed once per hour and three 24-hr cycles were executed each month. In total, 157 stray dogs have been identified and the mean population density each month was9.9±0.26 (S.E.) dogs/ha. Five packs were identified and pack members may not share common kinship. Besides, two dogs formed a coalition, and some lone dogs did not have territory. The monthly averages of the number of dogs in each pack ranged from 7 to 20 dogs. Packs were composed by core members with their offspring and short-term members. A liner hierarchy with mixed gender was formed in each pack, and an
Subjects
交配制度
育幼
留存率
活動範圍
流浪犬
生殖策略
優勢階級
Pups rearing
Mating system
Stray dog
Survival rate
Social organization
Home range
Reproductive strategy
Dominant hierarchy
Type
other
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