Cooperative Research Units
Education, Research And Technical Assistance For Managing Our Natural Resources
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Betsy Barber

Betsy Irish


  • Ph D University of Maine 2018
  • MS University of New Brunswick Saint John 2013
  • BS University of Maine at Machias 2009


Though originally from Nebraska, I always wanted to move to the coast since I was a child. This is why I came to Maine to study marine biology, and from there shifted my focus to diadromous fish. Since moving to Maine I have become an avid fisher-woman, am starting to learn how to hunt, and have enjoyed numerous hiking and camping trips.

Research Interests

Part of my research as a Ph.D. student focused on developing a population and nutrient dynamics model for alewife that was parameterized for the St. Croix River. As a post-doctoral researcher, I am expanding this model to compare population dynamics for a range of management objectives (i.e. variable dam passage rates, dam removals, the location of a commercial fishery, etc.). With the help of Alejandro Molina Moctezuma, who is a graduate student in the Zydlewski lab, I will be developing the alewife population model into an interactive web application that will allow stakeholders to easily compare the results of management scenarios. This will help facilitate the decision-making process.


Current Staff

Federal Staff: 2

Masters Students: 4

Phd Students: 5

Post Docs: 1

University Staff: 11

5 Year Summary

Students graduated: 22

Scientific Publications: 52

Presentations: 281


Contact Information

Tel: (207) 581 - 1340


Maine Cooperative Fish and Wildlife Research Unit Cooperators

  1. Maine Department of Inland Fisheries and Wildlife
  2. U.S. Fish and Wildlife Service
  3. U.S. Geological Survey
  4. University of Maine
  5. Wildlife Management Institute