Michael Hansen

Michael Hansen

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Adjunct Professor
Department of Fisheries and Wildlife


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Editor-In-Chief, Fisheries Management and Ecology

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Ph.D. - Fisheries & Wildlife, Michigan State University, 1994
M.S. - Natural Resources (Fisheries), Cornell University, 1983
B.S. - Water Resources (Fisheries), University of Wisconsin, 1979


I recently retired after a 40-year career that included positions as a fishery science professor, researcher, manager, and consultant. I earned my PhD from Michigan State University, MS from Cornell University, and BS from the University of Wisconsin – Stevens Point.  My research focuses on fish population dynamics and modeling, with a dual emphasis on restoration of native lake trout populations in the Great Lakes region of North America and suppression of introduced lake trout populations in western North America.  I have authored more than 140 peer-reviewed articles, book chapters, and agency reports, and I recently co-edited a book on The Lake Charr Salvelinus namaycush biology, ecology, distribution, and management.  I also served for 13 years as a co-editor of the North American Journal of Fisheries Management.


  • Life History Differentiation between Deep-Water and Shallow-Water Forms of Lake Trout in Large Lakes of North America
  • Assessing Individual Variability in Growth Rates for Great Lakes Fish Populations

Selected Publications:

Hansen MJ, Guy CS, Bronte CR, Nate NA (2021) Life history and population dynamics.  In The Lake Charr Salvelinus namaycush: biology, ecology, distribution, and management, Muir AM, Krueger CC, Hansen MJ, Riley SC, editors.  Fish & Fisheries Series 39, Springer.  ISBN: 978-3-030-62258-9.

Hansen MJ, Corsi MP, Dux AM (2019) Long-term suppression of the lake trout (Salvelinus namaycush) population in Lake Pend Oreille, Idaho.  Hydrobiologia 840(1):335–349. DOI:10.1007/s10750-019-3890-2.

Hansen MJ, Madenjian CP, Slade JW, Steeves TB, Almeida PR, Quintella BS (2016) Population ecology of the Sea Lamprey (Petromyzon marinus) as an invasive species in the Laurentian Great Lakes and an imperiled species in Europe.  Reviews in Fish Biology & Fisheries 26(3): 509–535.  DOI:10.1007/s11160-016-9440-3.

Hansen MJ, Nate NA, Chavarie L, Muir AM, Zimmerman MS, Krueger CC (2016) Life history differences between fat and lean lake trout morphs in Great Slave Lake, Northwest Territories, Canada.  Hydrobiologia 783(1): 21–35.  DOI:10.1007/s10750-015-2633-2.

Hansen MJ, Hansen BH, Beauchamp DA (2016) Lake trout (Salvelinus namaycush) suppression for bull trout (Salvelinus confluentus) recovery in Flathead Lake, Montana, North America.  Hydrobiologia 783(1): 317–334.  DOI:10.1007/s10750-016-2703-0.

Muir AM, Hansen MJ, Bronte CR, Krueger CC (2016) If Arctic Charr Salvelinus alpinus is “the most diverse vertebrate,” what is the Lake Charr Salvelinus namaycush?  Fish and Fisheries 17(4): 1194–1207.  DOI: 10.1111/faf.12114.