Assistant Unit Leader (Fisheries), Colorado Cooperative Fish and Wildlife
Professor, Department of Fishery and Wildlife Biology (Retired Emeritus)
Expertise: Ecology of high mountain lakes, fish habitat management, endangered species, environmental contaminants, power plant impacts on fisheries, opossum shrimp
(Mysis) -fishery interactions, fishery operations planning, whirling disease.
Theses or Dissertations Supervised Since 1990:
Theses - 15
Dissertations - 3
Honors and Awards:
Entrainment of Mysis relicta in a pumped-storage hydropower plant. January 1991. National Taiwan
University, Taipei, Taiwan.
Movements of northern pike and largemouth bass to lowered water levels (Kevin Rogers and E. P.
Bergersen). July 1992. American Fisheries Society Western Division Meeting.
The use of popnets for sampling fish populations in small lakes. 1992. Alaska Fish and Game Sport Fish
Division Staff Meeting, Fairbanks, AK.
The use of antimycin in high gradient streams (Ken Tiffan and E. P. Bergersen). 1992. Colorado-Wyoming Chapter AFS Meeting, Grand Junction, CO.
Using a GIS to assess northern pike and largemouth bass use of vegetation in a lake at Rocky Mountain
Arsenal (Kevin Rogers and E. P. Bergersen). May 1993. U.S. Fish and Wildlife Service GIS Workshop,
Hooking mortality in lake trout. 1994. Great Plains Fishery Workers Meeting, Deadwood, SD.
Fish populations in the Wind River, Wyoming (Lee Bergstedt and E. P. Bergersen). June 1994. American
Fisheries Society Western Division Meeting, Flagstaff, AZ.
Real-time data acquisition for quantifying fish habitat diversity (Kevin Rogers and E. P. Bergersen). July
1994. Ohio State University and Ohio Department of Natural Resources, Columbus, OH.
Electrofishing-induced injuries and the long-term effects of electrofishing on survival and condition in wild
trout populations in Colorado (Kevin Thompson and E. P. Bergersen). August 1994. American Fisheries
Society 124th Annual Meeting, Halifax, Nova Scotia, Canada.
Membership in Professional Societies and Committees:
Conferences and Workshops Organized and Hosted:
Thompson, J. M., E. P. Bergersen, C. A. Carlson and L. R. Kaeding. 1991. Role of size, condition, and
lipid content in overwinter survival of age-0 Colorado squawfish. Transactions of the American Fisheries
Chart, T. E. and E. P. Bergersen. 1992. Impact of mainstream impoundment on the distribution and
movements of the resident flannelmouth suckers Catostomus latipinnis (Catostomidae), in the White
River, Colorado. Southwestern Naturalist 37(1):9-15.
Bergersen, E. P. 1993. Sediments, Chapter 7. Pages 69-75 in Aquatic Ecology Studies of Twin Lakes,
Colorado 1971-1986. Effects of a Pumped-Storage Hydroelectric Project on a Pair of Montane Lakes.
U.S. Bureau of Reclamation Water Resources Technical Publication. Engineering and Science
Monograph No. 43. Denver, Colorado.
Bergersen, E. P., K. B. Rogers and L. V. Conger. 1994. A livestock hormone pellet injector for implanting
PIT tags. North American Journal of Fisheries Management 14(1):224-225.
Trammell, M. A., E. P. Bergersen and P. J. Martinez. 1993. Evaluation of an introduction of Colorado
squawfish in a main stem reservoir on the White River, Colorado. Environmental Biology of Fishes
Austen, D. J., D. L. Scarnecchia and E. P. Bergersen. 1994. Usefulness of structural and condition
indices in management of high mountain stream salmonid populations. North American Journal of
Fisheries Management 14(4):650-661.
Rogers, K. B. and E. P. Bergersen. 1995. Effects of a fall drawdown on movement of adult northern pike
and largemouth bass. North American Journal of Fisheries Management 15(3):596-600.
Tiffan, K. F. and E. P. Bergersen. 1996. The performance of antimycin in high gradient streams. North
American Journal of Fisheries Management 16:465-468.
Rogers, K. B., L. Bergstedt and E. P. Bergersen. 1996. Standard weight equation for mountain whitefish.
North American Journal of Fishery Management 16:207-209.
Lee, W. and E. P. Bergersen. 1996. Influence of thermal and oxygen stratification on lake trout hooking
mortality. North American Journal of Fishery Management 16:175-181.
Bergersen, E. P. and B. A. Knopf, editors. Whirling Disease Workshop - Where do we go from here?
Proceedings of the workshop. 1996 February 6-8, Denver, CO. 322 p. Available from Colorado
Cooperative Fish & Wildlife research Unit, 201 Wagar, Building, Colorado State University, Fort Collins,