Wolf number changes in Bieszczady National Park, Poland
作者： Wojciech Śmietana , Jacek Wajda
关键词: Canis 、 Ecology 、 Wolf number 、 National park 、 Reproduction 、 Geography 、 Population 、 Late winter
摘要: From 1991 to 1995, wolf Canis lupus (Linnaeus, 1758) population dynamics were studied in Bieszczady National Park and the surrounding area (520 km2). The study areas was utilized by 5 packs. Pack sizes averaged 5.6 early 3.9 late winter. Overwinter declines numbers ranged from 21% 39% (x = 29%), which corresponded well known number of wolves killed hunters or dead other causes.
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