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  • All fields: biological
(38 results)



Display: 20

    • Aleutian Cackling Goose project and Pete the Border Collie, (Album)

    • AMNWR; Alaska Maritime National Wildlife Refuge; Aleutian Cackling goose; Aleutian Canada Goose; Biological Research; Endangered species; Buldir;
    • Alaska Maritme NWR biologists utilized 3 border collies trained by Rob Lewis of Corvallis Oregon in their recovery effort of Aleutian Cackling geese populations which were listed as endangered in 1973, upgraded to threatened in 1991, and...
    • Aleutian Cacklling Goose Capture and Translocation,1978 - 1991 (Album)

    • AMNWR; Alaska Maritime Wildlife Refuge; Endangered species; Aleutian Cackling Goose; Aleutian Canada Goose; Biological research; Buldir Island; Aleutian Islands; Employees (USFWS)
    • AMNWR biologists worked over an extended period to recover the population of aleutian Cackling goose from endangered to its delisting in 2001. This album pictures the landscape, some of the hardships and activities of these hardy biologists
    •  Buffle Grass

    • Biological control; Coastal environments; Coastal restoration; Coastal zone management; Ecosystem recovery; Emblems; Employees (USFWS); Grasses; Habitat conservation; Habitat fragmentation; Habitat restoration; Invasive species; Landscape...
    • U.S. Fish and Wildlife Service employee inspects invasive species, Buffle Grass.
    • Checking a grebe nest among the water lilies

    • Work of the Service; Employees (USFWS); Wildlife management; Birds; Wildlife refuges; Waterfowl; Lakes;
    • Biological technician Corey VanStratt checks a red-necked grebe nest on Yukon Flats National Wildlife Refuge.
    • Clarence Rhode

    • History; Aviation
    • Clarence Rhode (d.1958) traversed the Yukon River by rowboat as a boy, flew the Alaskan outback as a bush pilot during the Second World War, and supervised the U.S. Fish and Wildlife Service’s aircraft division in Alaska following his Army...
    • Collecting data on a swan nest

    • Work of the Service; Yukon Flats National Wildlife Refuge; YFNWR; Wildlife management; Habitat; Lakes; Species; Birds; Waterfowl
    • Biological Technician Kate Soetaert enters nest data of a swan nest at Scoter Camp Lakes.
    • Devereux Slough Coastal Wetland Project

    • Wetland restoration; Wetlands; Habitat restoration; Coastal environments; Coastal restoration; Coastal zone management;
    • The California Coastal Conservancy was awarded $1 million to help acquire and permanently protect a 63-acre property in Santa Barbara County, California. This project will also result in the restoration of approximately 13 acres of coastal wetlands...
    • Example of Brazilian Pepper plant

    • Berries; Biological control; Coastal environments; Coastal restoration; Ecosystem recovery; Environmental quality; Habitat fragmentation; Habitat restoration; Invasive species; Islands; Vegetation; Wildlife refuges; Work of the Service;
    • This Brazilian Pepper plant is an exotic invasive species which overtakes native plants to the Florida gulf coast and elsewhere.
    • Fish and Wildlife Employee Sprays Melaleuca

    • Biological control; Employees (USFWS); Equipment; Habitat conservation; Habitat restoration; Invasive species; Maintenance; Plants; Refuges; Wildlife refuges;
    • Fish and Wildlife Service employee spraying exotic invasive melaleuca to try to control the exotic invasive. Vertical.
    • Fish and Wildlife Service employee eradicating Invasive

    • Biological control; Employees (USFWS); Environmental quality; Equipment; Habitat conservation; Habitat restoration; Invasive species; Maintenance; Plants; Refuges; Wildlife refuges;
    • Fish and Wildlife Service employee with axe, chopping at melaleuca tree trunk in refuge invasive species eradication program.
    • Fish and Wildlife Service employee showing invasive plant

    • Biological control; Employees (USFWS); Environmental quality; Habitat conservation; Habitat restoration; Invasive species; Maintenance; Plants; Refuges; Wildlife refuges;
    • Fish and Wildlife Service employee standing at edge of wetland area being taken over by invasive species water hyacinth and holding two plant specimens to show leaves and root systems. Vertical.
    • Fish and Wildlife Service employee weighing lake sturgeon

    • Fisheries management; Fishes; Freshwater fishes;
    • Henry Quinlan, Service Fisheries biologist weighs a lake sturgeon along the Bad River in Wisconsin. This fish species is an important biological component of the Great Lakes fish community. By the early 1900's many populations of lake sturgeon...
    • Glossary

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    • 22 Glossary Species Status categories: at- risk species — species of plants and animals that are Federal candidate species and those that the Service has not identified as candidate species, but are facing threat( s) and are potential...
    • Grass carp (Triploid)

    • Fishes; Fisheries management;
    • Grass carp is an Asian fish species that was imported into the United States in the 1960s. Because many conservationists wanted to reduce human dependencies on use of toxic chemicals, This introduction was considered to be an alternative to...
    • Ira Gabrielson at Upper Mississippi River Refuge

    • History;refuge centennial;
    • Cigar-chomping Ira Noel Gabrielson (1889-1997), second chief of the Bureau of Biological Survey, studies a report during a 1937 site inspection and Congressional tour of Upper Mississippi River National Wildlife and Fish Refuge. Gabrielson was...
    • Mother-in-Law tongue exotic invasive plant

    • Biological control; Coastal environments; Coastal restoration; Ecosystem recovery; Environmental quality; Habitat fragmentation; Habitat restoration; Invasive species; Islands; Vegetation; Wildlife refuges; Work of the Service; Employees (USFWS);...
    • U.S. Fish and Wildlife Service employee inspects Mother-in-Law tongue exotic invasive plant. Also known as Snake plant.
    • National Wildlife Refuge field maintenance

    • Aquatic plants; Biological control; Employees (USFWS); Environmental quality; Equipment; Habitat conservation; Habitat restoration; Maintenance; Wildlife refuges;
    • Tractor is disking cattails in wetland area in National Wildlife Refuge to maintain habitat.
    • National Wildlife Refuge maintenance

    • Biological control; Employees (USFWS); Habitat conservation; Invasive species; Maintenance; Plants; Wildlife refuges;
    • Fish and Wildlife Service employee pulling out Brazilian pepper plants to try to control the exotic invasive.
    • National Wildlife Refuge maintenance

    • Biological control; Employees (USFWS); Environmental quality; Equipment; Habitat conservation; Habitat restoration; Invasive species; Maintenance; Plants; Refuges; Wildlife refuges;
    • Fish and Wildlife Service employee chain sawing to control exotic invasive melaleuca.
    • National Wildlife Refuge maintenance

    • Biological control; Employees (USFWS); Environmental quality; Equipment; Habitat conservation; Habitat restoration; Invasive species; Maintenance; Plants; Wildlife refuges;
    • Fish and Wildlife Service employee chain sawing to control exotic invasive melaleuca. Vertical.

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