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  • All fields: Environmental Sciences
(41 results)



Display: 20

    • Collecting wetland samples

    • Environmental Sciences; Aquaculture;Aquatic animals;Employees (USFWS)
    • Fish and Wildlife Employee collecting invertebrates contained in wetland samples.
    • Collecting avocet eggs for analysis

    • Environmental Sciences; Biologists (USFWS);Pollutants;
    • Fish and Wildlife Service biologist collects avocet eggs from the nest for selenium analysis.
    • Studying avocet egg

    • Environmental Sciences; Biologists (USFWS);Pesticides;Pollutants
    • Fish and Wildlife Service biologist studying avocet egg. Vertical.
    • Fish and Wildlife Service with endangered turtle

    • Environmental Sciences; Employees (USFWS); Endangered and/or Threatened species; Reptiles; Volunteers; Wildlife management; Wildlife refuges;
    • Fish and Wildlife Service employee and volunteer working with state endangered species redbelly turtle hatchlings. Vertical.
    • Freshwater mussel research

    • Environmental Sciences; Aquatic animals; Aquatic environments; Boats; Employees (USFWS); Endangered and/or Threatened species; Environmental quality; Indigenous populations; Islands; Mollusks; Riverbeds; Rivers and streams; Wildlife refuges;
    • Fish and Wildlife Service employees at gravel island in the Ohio River studying samples of freshwater mussel shells. Motorboat transportation beached in background.
    • Volunteers seining

    • Environmental Sciences; Aquatic environments; Environmental quality; Volunteers;
    • Fish and Wildlife Service volunteers with logo seining for aquatic life in refuge waters. Vertical.
    • Checking gill nets

    • Environmental Sciences; Biologists (USFWS); Employees (USFWS);
    • Fish and Wildlife Service worker on boat checking gill net full of fish.
    • Over-grazed cattle pasture

    • Environmental Sciences; Agricultural ecosystems; Agriculture; Animal industry; Farms and farming; Mammals; Overgrazing; Ranching;
    • Large herd of cattle on rocky hillside of over-grazed pasture with fence in foreground protecting more lush plant growth.
    • Litter pollution in wetland area

    • Environmental Sciences; Aquatic environments; Aquatic plants; Contaminants; Environmental quality; Human impacts; Maintenance; Pollutants; Pollution, Water; Water pollution;
    • Litter and garbage dumped in wetland area among water lilies and marsh plants.
    • Litter pollution in wetland area

    • Environmental Sciences; Aquatic environments; Aquatic plants; Contaminants; Environmental quality; Human impacts; Maintenance; Pollutants; Pollution, Water; Water pollution;
    • Litter and garbage dumped in wetland area among water lilies and marsh plants. Vertical
    • Mardy Murie with her dog

    • Environmental Sciences; History; Biologists (USFWS);
    • Mardy Murie with a dog standing on her lap; photo taken in the wilderness.
    • Sawing Wood at our Camp

    • History; Biologists (USFWS); Camping;
    • Mardy Murie with big saw, tent in background. Environmental Sciences;
    • Olaus and Mardy Murie

    • History; Biologists (USFWS);
    • Olaus and Mardy Murie by their home in front of Grand Tetons, 1953. Environmental Sciences;
    • Olaus Murie in Teton Wilderness

    • Environmental Sciences; History; Biologists (USFWS); Wilderness;
    • Olaus Muire standing on creek bank in Grand Teton National Park. Tree line just beyond the opposite bank, with the mountains visible beyond them. 1932

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