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  • All fields: biological
(38 results)



Display: 20

    • Glossary

    •  
    • 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...
    • The “Chief” Goes Fishing on the Mississippi

    • refuge centennial; History
    • A moment of quiet reflection on the northern reaches of the Mississippi River, as Bureau of Biological Survey chief Ira Gabrielson (1889-1977) casts a line off a vessel of the Upper Mississippi River National Wildlife and Fish Refuge during a 1937...
    • 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...
    • Phragmites again!

    • Aquaculture; Aquatic environments; Aquatic plants; Biological control; Ecosystem recovery; Employees (USFWS); Environmental quality; Foliage; Habitat conservation; Habitat fragmentation; Habitat restoration; Invasive species; Resource management;...
    • Alligator River National Wildlife Refuge employee inspects a patch of phragmites, an invasive species on the refuge.
    • 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
    • Regrowth area

    • Adults; Agricultural ecosystems; Agriculture; Aquatic environments; Aquatic plants; Banks; Biological control; Boating; Boats; Coastal environments; Ecosystem recovery; Emblems; Equipment; Fire management; Foliage; Habitat conservation; Habitat...
    • Area of regrowth.
    • 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.
    • 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.
    • Technician weighs a male scoter

    • Work of the Service; Employees (USFWS); Wildlife management; Tagging; Bird banding; Birds; Waterfowl; Aquatic environments;
    • Biological Technician Laura Kennedy weighs a white-winged scoter drake during a scoter breeding ecology study at Scoter Camp Lake in the Yukon Flats National Wildlife Refuge.
    • The Grand beaver lodge on Scoter Camp Lakes

    • Work of the Service; Wildlife management; Animal Tagging; Bird banding; Habitat; Lakes; Scenics; Landscapes; Yukon Flats National Wildlife Refuge; YFNWR; Species; Birds; Waterfowl
    • Biological Technicians stand on a large beaver lodge in Scoter Camp Lakes to find strategic locations to set up nets for trapping scoters for tagging.
    • Scoter Team collects data on scoters

    • Work of the Service; Wildlife management; Animal Tagging; Bird banding; Yukon Flats National Wildlife Refuge; YFNWR; Species; Birds; Waterfowl
    • Biological Technicians work quickly to measure, weigh, and band a White-winged scoter hen and her ducklings in a scoter breeding ecology study on Yukon Flats NWR.
    • 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...
    • 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...
    • 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.
    • 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.
    • 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 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 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.
    • Regrowth

    • Adults; Agricultural ecosystems; Agriculture; Amphibious vehicles; Aquatic environments; Aquatic plants; Banks; Biological control; Boating; Boats; Coastal environments; Ecosystem recovery; Emblems; Equipment; Fire management; Foliage; Habitat...
    • FWS employee examines an area of regrowth from an airboat.

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