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  • All fields: biological
(41 results)



Display: 20

    • Glossary

    • 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...
    • Regrowth

    • 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.
    • Regrowth

    • Regrowth
    • 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.
    • Prescribed burn

    • Prescribed burn
    • Adults; Biological control; Fire management; Foliage; Grasslands; Habitat conservation; Habitat fragmentation; Invasive species; Personnel; Prescribed burning; Resource management; Uniforms; Vegetation; Wildlife refuges; Work of the Service;...
    • Prescribed burn on the refuge.
    • Prescribed burn

    • Prescribed burn
    • Adults; Biological control; Fire management; Foliage; Grasslands; Habitat conservation; Habitat fragmentation; Invasive species; Personnel; Prescribed burning; Resource management; Uniforms; Vegetation; Wildlife refuges; Work of the Service;...
    • Smoke filled prescribed burn on the refuge.
    • Subject Index

    • Subject Index
    • Aerial photography; Agribusiness; Agricultural ecosystems; Agriculture; Air Pollution; Aircraft; Alpine environments; Amphibians; Amphibious vehicles; Anadromous species; Animal industry; Aquaculture; Aquatic animals; Aquatic birds; Aquatic...
    •  
    • Clarence Rhode

    • Clarence Rhode
    • Alaska; Refuge Centennial; History
    • 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...
    • Aleutian Cackling Goose project and Pete the Border Collie, (Album)

    • 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)

    • 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
    • Phragmites again!

    • 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.
    • Example of Brazilian Pepper plant.

    • 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.
    • Worker eradicating Brazilian Pepper Plant

    • Worker eradicating 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 worker makes an impact on the Brazilian Pepper plant. It is an exotic invasive species which overtakes native plants to the Florida gulf coast and elsewhere.
    • Wide shot of Buffle Grass, invasive species.

    • Wide shot of Buffle Grass, invasive species.
    • 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.
    • Close shot of Buffle Grass, invasive species.

    • Close shot of Buffle Grass, invasive species.
    • 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.
    • Night Blooming Cereus plant, an exotic invasive species.

    • Night Blooming Cereus plant, an exotic invasive species.
    • 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 Nicker Bean plant, a native invasive species on J.N. Ding Darling National Wildlife Refuge.
    • Night Blooming Cereus plant, an exotic invasive species.

    • Night Blooming Cereus plant, an exotic invasive species.
    • 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 Nicker Bean plant, a native invasive species on J.N. Ding Darling National Wildlife Refuge.
    • Mother-in-Law tongue exotic invasive plant.

    • 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.
    • Nicker Bean plant, a native invasive species.

    • Nicker Bean plant, a native invasive species.
    • 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 Nicker Bean plant, a native invasive species on J.N. Ding Darling National Wildlife Refuge.
    • Nicker Bean plant, a native invasive species.

    • Nicker Bean plant, a native invasive species.
    • 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 Nicker Bean plant, a native invasive species on J.N. Ding Darling National Wildlife Refuge.
    • Fish and Wildlife Service employee eradicating Invasive

    • 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.

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