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Timothy  Van Deelen

Timothy Van Deelen

Expert in conservation and management of large mammals and mammal communities in the Great Lakes region (e.g., deer, wolves and black bears).

Professor, Forest and Wildlife Ecology College of Agricultural and Life Sciences Nelson Institute of Environmental Studies Work: 608-265-3280 — Home and cell phones available upon request Home page


  • Management of large mammals, including population estimation, hunting, and interactions of Wisconsin's large mammals
  • Population dynamics, including the effects of competition and predation
  • Movement of large mammals through complex landscapes and their effects on population management
  • Interaction of deer life history and chronic wasting disease
  • Growth of Wisconsin's wolf population and its effects on white-tailed deer


  • College of Agriculture and Life Sciences' Beers-Bascom Professor in Conservation (2016 - 2021)
  • Winner of The Wisconsin Chapter of The Wildlife Society's Wisconsin Award in recognition of exceptional contributions to the conservation of Wisconsin's wildlife resoiurces
  • Wisconsin Conservation Congress: Special Recognition for Dedication to Wisconsin's deer management program and leadership on the 2006-07 SAK audit
  • Editor: Wydeven, Heske, and Van Deelen, Recovery of wolves in the Great Lakes region: an endangered species success story, Springer Publishing, 2009
  • Certified wildlife biologist
  • Author/coauthor of more than 75 scientific papers on the ecology and conservation of native wildlife