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Abstracts at a Glance

December 31, 2022

Project abstracts are organized alphabetically by Cooperative Fish and Wildlife Research Unit within each of the thematic areas. Research conducted as part of the CRU program is determined, approved, and supported by each unit’s coordinating committee composed of representatives from the USGS, one or more of the respective State fish and wildlife agencies, the host university, the Wildlife Management Institute, and the USFWS.

Image: Mallard (Anas platyrhynchos)

The stakeholder-driven nature of the program’s research portfolio is designed to ensure that the science aligns with the USGS’s strategic goals and serves the needs of the U.S. Department of the Interior and the States, as well as the needs of their strategic conservation partners. 

  • Science supporting a legacy of sustainable fish and wildlife,
  • Social science and human components in land, water, and wildlife conservation,
  • Trusted science supporting hard decisions on at-risk species,
  • Science to battle costly biological threats,
  • Providing science for managing risks and responding to extreme events,
  • Science for preservation and restoration of iconic landscapes, and
  • Science to support adaptation and address impacts of climate and land change.
An elk grazes in Yellowstone National Park.

This report provides abstracts of most of the ongoing and recently completed research investigations of the USGS Cooperative Fish and Wildlife Research Units program. The report is organized by the following major science themes that contribute to the objectives of the USGS:

  • Advanced Technologies
  • Climate Science
  • Decision Science
  • Ecological Flows
  • Ecosystem Services
  • Energy
  • Fish and Wildlife Health and Disease
  • Human Dimensions
  • Invasive Species
  • Landscape Ecology
  • Species and Habitat Management
  • Species of Greatest Conservation Need
  • Threatened and Endangered Species

Suggested Citation

Thompson, J.D., Jodice, P.G.R., Dennerline, D.E., and Childs, D.E., eds., 2021, Cooperative Fish and Wildlife Research Units program—2020 research abstracts: U.S. Geological Survey Circular 1477, 200 p.,

ISSN: 2330-5703 (online)