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Display: 20

    • Testing Samples

    • Testing Samples

    • Fish hatcheries; Fisheries management; Fishes; Employees (USFWS); Biologists (USFWS); Work of the Service;

    • Nathan Hyde, a biological technician, prepares a sample of fish food to test in the Nitrogen Analyzer, which reads the percent nitrogen of each sample, which then calculates the protein level by running a multiplication formula.
    • Images
    • The fish are jumping.

    • The fish are jumping.

    • Adults; Aquatic environments; Biologists (USFWS); Boating; Boats; Ecosystem recovery; Emblems; Employees (USFWS); Environmental quality; Fishes; Fishing; Habitat conservation; Habitat fragmentation; Habitat restoration; Management; Personnel;...

    • These Big Muddy National Wildlife Refuge employees electrofish for the Asian carp, (Invasive species).
    • Images
    • The ones that did not get away.

    • The ones that did not get away.

    • Adults; Aquatic environments; Biologists (USFWS); Boating; Boats; Ecosystem recovery; Emblems; Employees (USFWS); Environmental quality; Fishes; Fishing; Habitat conservation; Habitat fragmentation; Habitat restoration; Management; Personnel;...

    • Big Muddy National Wildlife Refuge employees hold an Asian carp, (Invasive species), for the camera.
    • Images
    • This fish is trouble.

    • This fish is trouble.

    • Adults; Aquatic environments; Biologists (USFWS); Boating; Boats; Ecosystem recovery; Emblems; Employees (USFWS); Environmental quality; Fishes; Fishing; Habitat conservation; Habitat fragmentation; Habitat restoration; Management; Personnel;...

    • A Big Muddy National Wildlife Refuge employee holds an Asian carp, (Invasive species), for the camera.
    • Images
    • Thomas Duncan oral history transcript

    • Thomas Duncan oral history transcript

    • History; Biography; Biologists (USFWS); Employees (USFWS); Wilderness; Wildlife management; Wildlife refuges; Work of the Service;

    • Oral history interview with Thomas Duncan with Mark Madison as interviewer.
    • Documents
    • Transporting Gila Trout into 55 Gallon Drum

    • Transporting Gila Trout into 55 Gallon Drum

    • Threatened species; Fisheries management; Fishes; Fishing; Biologists (USFWS);

    • Jeremy Voeltz, a U.S. Fish and Wildlife Service fishery biologist for the Arizona Fish and Wildlife Conservation Office, transports native Gila trout into 55-gallon drums that will flown up the Pinalenos Mountains to Frye Creek by helicopter as...
    • Images
    • Tree catches fish.

    • Tree catches fish.

    • Adults; Aquatic environments; Biologists (USFWS); Boating; Boats; Ecosystem recovery; Emblems; Employees (USFWS); Environmental quality; Fishes; Fishing; Habitat conservation; Habitat fragmentation; Habitat restoration; Management; Personnel;...

    • This Asian carp, (Invasive species), jumps up to the trees to escape the long arm of the biologists.
    • Images
    • U.S. Fish and Wildlife Service employee holds fish.

    • U.S. Fish and Wildlife Service employee holds fish.

    • Aquaculture; Aquatic environments; Banks; Biologists (USFWS); Coastal zone management; Emblems; Employees (USFWS); Equipment; Fishes; Fishing; Fisheries management; Freshwater fishes; Marine environments; Marine ecology; Personnel; Plants;...

    • U.S. Fish and Wildlife Service examines fish closely.
    • Images
    • W.O. "Bill" Nelson oral history transcript

    • W.O. "Bill" Nelson oral history transcript

    • History; Biography; Predator control; Rodents; Biological control; Biologists (USFWS)

    • W.O. "Bill" Nelson oral history interview as conducted by Jerry Grover and Bob Ruesink. Worked in the various offices anad filed offices of locations listed in transcript.
    • Documents
    • Weighing Caged Nutria

    • Weighing Caged Nutria

    • Aquatic animals; Invasive species; Mammals; Rodents; Wildlife management; Trapping; Tagging; Biologists (USFWS);

    • Every nutria is weighed before tagging. Tagging the animals will help biologists to better understand the habits of nutria and prevent their spreading
    • Images
    • Weighing Steelhead

    • Weighing Steelhead

    • Fish hatcheries; Fisheries management; Fishes; Biologists (USFWS); Employees (USFWS); Work of the Service; Tagging; Threatened species; Monitoring;

    • Chee Xiong, an Oregon State University STEP student, weighs steelhead prior to tagging in Eagle Creek. Biologists use this tracking information to see if the hatchery fish that are spawning here are affecting the survival and productivity of the...
    • Images
    • What happened here?

    • What happened here?

    • Adults; Aquatic animals; Aquatic environments; Biologists (USFWS); Coastal environments; Emblems; Employees (USFWS); Amphibians; Endangered species;

    • A Bon Secour National Wildlife Refuge employee examines the deceased Kemp's Ridley sea turtle, (Endangered species)..
    • Images
    • Willard (Bill ) E. Nelson oral history transcript

    • Willard (Bill ) E. Nelson oral history transcript

    • History; Biography; Biologists (USFWS); Rodents; Predator control; Employees (USFWS)

    • Willard (Bill )E. Nelson oral history interview as conducted by Jerry Grover. Worked in following locations in Oregon in either the field or in the office: Bend, Portland, Coos Bay, Vanport, Columbia River, Klamath River. Also spent some time in...
    • Documents
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