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  • All fields: Biological control
(107 results)



Display: 20

    • 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

    • 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

    • 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

    • 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.
    • 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.
    • Habitat suitability index models: Gadwall (breeding)

    • Aquatic birds; Biological control; Habitat conservation; Migratory birds; Wetlands;
    • The basis for this HSI model was developed in a workshop that included the following waterfowl biologists form the Northern Prairie Wildlife Research Center, Jamestown, ND: Leo Kirsch (retired), John Lokemoen, and George Swanson. These individuals...
    • Habitat suitability index models: Blue-winged teal (breeding)

    • Aquatic birds; Biological control; Habitat conservation; Migratory birds; Wetlands;
    • This document is part of the Habitat Suitability Index (HSI) Model Series [Biological Report 82(10)] which provides habitat information useful for impact assessment and habitat management. Several types of habitat information are provided. The...
    • 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

    • 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.
    • Tom Butler

    • Biodiversity; Biological control; Wilderness; Podcast; Public Lecture;
    • Mark Madisoin speaks with Tom Butler at the Sc3 Conference held at the NCTC in Shepherdstown, WV. Tom is the editorial projects director for the Foundation for Deep Ecology, and a long-time conservation activist focused on wilderness and...
    • Jerry L. Wilson oral history transcript

    • Biography; Biological control; Conservation; Employees (USFWS); History; Lakes; Maintenance; Management; Military; Fishing; Public attitudes; Public access; Realty; Wetlands; Birds; Prescribed burning; Wildlife refuges;
    • Jerry L. Wilson oral history interview as conducted by Denny Holland.
    • Aily Zirkle oral history transcript

    • Biography; Birds; Employees (USFWS); Biological control; Education; Environmental quality; Environmental education; Winter sports; Wildlife viewing; Wildlife refuges; Villages; Migratory birds; Surveying; Migration;
    • Aily Zirkle oral history interview as conducted via radio interview.
    • Romie L. Waterfield oral history transcript

    • Biography; History; Military; Hunting; Buildings, facilities and structures; Fishing; Employees (USFWS); Law enforcement; Biological control;
    • Romie L. Waterfield oral history transcript as conducted by Denny Holland.
    • A talk with Nancy Langston

    • Biological control; Biologists (USFWS); Diseases; Environmental education; Farms and farming; Podcast; Public Lecture;
    • In 1941 the Food and Drug Administration approved the use of diethylstilbestrol (DES), the first synthetic chemical to be marketed as an estrogen and one of the first to be identified as a hormone disruptor—a chemical that mimics hormones. Its...
    • 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.

    • 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.

    • 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.

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