4.1 Article

DEMOGRAPHIC EFFECTS OF CANINE PARVOVIRUS ON A FREE-RANGING WOLF POPULATION OVER 30 YEARS

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

  1. Biological Resources Discipline
  2. US Geological Survey
  3. US Fish and Wildlife Service
  4. North Central Experiment Station
  5. Superior National Forest
  6. US Department of Agriculture Wildlife Services
  7. Minnesota Veterinary Diagnostic Laboratory

向作者/读者索取更多资源

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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