期刊
JOURNAL OF WILDLIFE DISEASES
卷 44, 期 4, 页码 824-836出版社
WILDLIFE DISEASE ASSOC, INC
DOI: 10.7589/0090-3558-44.4.824
关键词
Canine parvovirus (CPV); demography; dispersal; population; wolf
资金
- Biological Resources Discipline
- US Geological Survey
- US Fish and Wildlife Service
- North Central Experiment Station
- Superior National Forest
- US Department of Agriculture Wildlife Services
- Minnesota Veterinary Diagnostic Laboratory
We followed the course of canine parvovirus (CPV) antibody prevalence in a subpopulation of wolves (Canis lupus) in northeastern Minnesota from 1973, when antibodies were first detected, through 2004. Annual early pup survival was reduced by 70%, and wolf population change was related to CPV antibody prevalence. In the greater Minnesota population of 3,000 wolves, pup survival wits reduced by 40-60%. This reduction limited the Minnesota wolf population rate of increase to about 4% per year compared with increases of 16-58% in other populations. Because it is young wolves that disperse, reduced pup survival may have caused reduced dispersal and reduced recolonization of new range in Minnesota.
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