F. Joseph Margraf, Jr., Ph.D.

Joe Margraf is supervisor of the U.S. Geological Survey Cooperative Fish and Wildlife Research Units in the western US and is stationed in Pagosa Springs, CO. He has served in the Coop Unit Program since 1980 at the Ohio, West Virginia, Maryland, and Alaska Units where he was major advisor for nearly 50 graduate students and on the graduate committees of over 75 others.


He has authored or co-authored over 100 publications and technical reports and over 100 presentations for scientific meetings. He received his BS degree in Fisheries Science from Cornell University, and MS and Ph.D. degrees from Texas A&M University. Joe has been a member of the American Fisheries Society (AFS) since 1972 and life member since 1984. He is currently President-elect of AFS and will become President in August 2016. He has received both the AFS Distinguished Service and Meritorious Service awards, and was in the inaugural class of AFS Fellows. Joe is also a Fellow in the American Institute of Fishery Research Biologists and has served on its Board of Governors and Membership Committee.

For more information about Joe, including a full publications list, visit his profile page on the Cooperative Research Units Program Headquarters web site.

Research Interests

Freshwater and anadromous fishes, Large lakes and rivers, Population and community ecology, Trophic interactions and bioenergetics, Fish & habitat interactions, Development of new management tools and paradigms

Teaching Interests

Fish Ecology
Quantitative Fisheries Science
Ecological Energetics of Fish