Cooperative Research Units
Education, Research And Technical Assistance For Managing Our Natural Resources
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Estimating the distribution and density of fishers in an expanding population in New York using noninvasive methods


January 2013 - March 2019


To estimate fisher density across the southern tier of New York, we are conducting a noninvasive, genetic spatially explicit capture-recapture study.

Research Products and Activities

Peer Reviewed Publications

  • Fuller, A.K., D.W. Linden, and J.A. Royle. 2016. Management Decision Making for Fisher Populations Informed by Occupancy Modeling. Journal of Wildlife Management. DOI: 10.1002/jwmg.21077
  • Linden, D.W., A. K. Fuller, J. A. Royle, and M.P. Hare. 2017. Examining the occupancy-density relationship for a low density carnivore. Journal of Applied Ecology doi: 10.1111/1365-2664.12883.


  • Fuller, A.K., and J.A. Royle. Estimating site occupancy of fishers in an expanding population. North American Congress for Conservation Biology, Missoula, Montana. 15 July, 2014.
  • Fuller, A.K. Estimating the distribution of fishers in an expanding population in New York using noninvasive methods. American Wildlife Conservation Foundation. DeWitt, New York. 18 June, 2015.
  • Linden, D.W., A.K. Fuller, and J.A. Royle. 2015. Incorporating uncertain identity in spatial capture-recapture: application to fisher in New York. The Wildlife Society 22nd Annual Meeting, Winnipeg, Manitoba, Canada.

Current Staff

Federal Staff: 99

Masters Students: 225

Phd Students: 143

Post Docs: 53

University Staff: 247

5 Year Summary

Students graduated: 658

Scientific Publications: 1872

Presentations: 4186



Funding Agencies

  • Cooperative Research Units
  • New York State Department of Environmental Conservation


Cooperative Research Units Program Headquarters Cooperators

  1. U.S. Geological Survey