Invasive Species
Invasive Species
Invasive species research is crucial for protecting ecosystems, native wildlife, and local economies. By understanding how non‑native species spread and impact habitats, scientists help managers prevent damage, restore balance, and develop effective control strategies that safeguard biodiversity and natural resources.
Invasive flathead catfish now top predators in Susquehanna River in Pennsylvania
Invasive flathead catfish now top predators in Susquehanna River in Pennsylvania
Flathead catfish, native to the Mississippi basin, can severely damage native and sport fisheries when introduced elsewhere. After appearing in the Susquehanna River in 1991, their population has rapidly expanded. Researchers from Penn State, USGS, and PFBC are studying how this invasive predator affects the river’s food web and energy flow.
Food web tradeoffs of bigheaded carps control efforts
Food web tradeoffs of bigheaded carps control efforts
Bighead carp and silver carp (collectively known as bigheaded carps) affect the entire food web, with the species comprising up to 90% of the fish biomass in some systems. Current control tools, such as harvest, target larger fish and do not remove all sizes of carp.
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Wyoming Cooperative Fish and Wildlife Research Unit
The Wyoming Cooperative Fish and Wildlife Research Unit (est. 1977) is a partnership among the Wyoming Game and Fish Department, University of Wyoming, the U.S. Geological Survey, the U.S. Fish and Wildlife Service, and the Wildlife Management Institute.
West Virginia Cooperative Fish and Wildlife Research Unit
The West Virginia Cooperative Fish and Wildlife Research Unit (est. 1986) is a partnership among the West Virginia Division of Natural Resources, West Virginia University, the U.S. Geological Survey, the U.S. Fish and Wildlife Service, and the Wildlife Management Institute.
Wisconsin Cooperative Wildlife Research Unit
The Wisconsin Cooperative Wildlife Research Unit (est. 1971) is a partnership among the Wisconsin Department of Natural Resources, University of Wisconsin, the U.S. Geological Survey, the U.S. Fish and Wildlife Service, and the Wildlife Management Institute.
Wisconsin Cooperative Fishery Research Unit
The Wisconsin Cooperative Fishery Research Unit (est. 1971) is a partnership among the Wisconsin Department of Natural Resources, University of Wisconsin-Stevens Point, the U.S. Geological Survey, and the U.S. Fish and Wildlife Service.
Washington Cooperative Fish and Wildlife Research Unit
The Washington Cooperative Fish and Wildlife Research Unit (est. 1967) is a partnership among the Washington Department of Fish and Wildlife, Washington Department of Natural Resources, Washington Department of Ecology, University of Washington, Washington State University, the U.S. Geological Survey, the U.S. Fish and Wildlife Service, and the Wildlife Management Institute.
Vermont Cooperative Fish and Wildlife Research Unit
The Vermont Cooperative Fish and Wildlife Research Unit (est. 1989) is a partnership among the Vermont Fish and Wildlife Department, University of Vermont, the U.S. Geological Survey, the U.S. Fish and Wildlife Service, and the Wildlife Management Institute.
Virginia Cooperative Fish and Wildlife Research Unit
The Virginia Cooperative Fish and Wildlife Research Unit (est. 1936) is a partnership among the Vermont Fish and Wildlife Department, University of Vermont, the U.S. Geological Survey, the U.S. Fish and Wildlife Service, and the Wildlife Management Institute.
Utah Cooperative Fish and Wildlife Research Unit
The Utah Cooperative Fish and Wildlife Research Unit (est. 1936) is a partnership among the Utah Division of Wildlife Resources, Utah State University, the U.S. Geological Survey, the U.S. Fish and Wildlife Service, and the Wildlife Management Institute.
Texas Cooperative Fish and Wildlife Research Unit
The Texas Cooperative Fish and Wildlife Research Unit (est. 1936) is a partnership among Texas Parks and Wildlife, Texas Tech University, the U.S. Geological Survey, the U.S. Fish and Wildlife Service, and the Wildlife Management Institute.
Tennessee Cooperative Fishery Research Unit
The Tennessee Cooperative Fishery Research Unit (est. 1972) is a partnership among the Tennessee Wildlife Resources Agency, Tennessee Technological University, the U.S. Geological Survey, and the U.S. Fish and Wildlife Service.
South Dakota Cooperative Fish and Wildlife Research Unit
The South Dakota Cooperative Fish and Wildlife Research Unit (est. 1963) is a partnership among the South Dakota Game, Fish and Parks, South Dakota State University, the U.S. Geological Survey, the U.S. Fish and Wildlife Service, and the Wildlife Management Institute.
South Carolina Cooperative Fish and Wildlife Research Unit
The South Carolina Cooperative Fish and Wildlife Research Unit (est. 1988) is a partnership among the South Carolina Department of Natural Resources, Clemson University, the U.S. Geological Survey, the U.S. Fish and Wildlife Service, and the Wildlife Management Institute.