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  • All fields: Population control
(10 results)



Display: 20

    • 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...
    •  
    • This fish is trouble.

    • This fish is trouble.
    • Adults; Aquatic environments; Biologists (USFWS); Boating; Boats; Ecosystem recovery; Emblems; Employees (USFWS); Environmental quality; Fishes; Fishing; Habitat conservation; Habitat fragmentation; Habitat restoration; Management; Personnel;...
    • A Big Muddy National Wildlife Refuge employee holds an Asian carp, (Invasive species), for the camera.
    • The ones that did not get away.

    • The ones that did not get away.
    • Adults; Aquatic environments; Biologists (USFWS); Boating; Boats; Ecosystem recovery; Emblems; Employees (USFWS); Environmental quality; Fishes; Fishing; Habitat conservation; Habitat fragmentation; Habitat restoration; Management; Personnel;...
    • Big Muddy National Wildlife Refuge employees hold an Asian carp, (Invasive species), for the camera.
    • The fish are jumping.

    • The fish are jumping.
    • Adults; Aquatic environments; Biologists (USFWS); Boating; Boats; Ecosystem recovery; Emblems; Employees (USFWS); Environmental quality; Fishes; Fishing; Habitat conservation; Habitat fragmentation; Habitat restoration; Management; Personnel;...
    • These Big Muddy National Wildlife Refuge employees electrofish for the Asian carp, (Invasive species).
    • Fish flying in formation.

    • Fish flying in formation.
    • Adults; Aquatic environments; Biologists (USFWS); Boating; Boats; Ecosystem recovery; Employees (USFWS); Fishes; Fishing; Personnel; Population control; Resource management; Service patch; Uniforms; Wildlife refuges; Work of the Service; Invasive...
    • These Asian carp seem to be flying in formation as they jump out of the water to flee from the electrofishing.
    • Tree catches fish.

    • Tree catches fish.
    • Adults; Aquatic environments; Biologists (USFWS); Boating; Boats; Ecosystem recovery; Emblems; Employees (USFWS); Environmental quality; Fishes; Fishing; Habitat conservation; Habitat fragmentation; Habitat restoration; Management; Personnel;...
    • This Asian carp, (Invasive species), jumps up to the trees to escape the long arm of the biologists.
    • Gray wolf release

    • Gray wolf release
    • Endangered species; Mammals; Monitoring; Wildlife management;
    • A gray wolf fitted with a radio collar is released into the wild. The gray wolf or Canis lupus, often known simply as the wolf, is the largest extant wild member of the Canidae family. Though once abundant over much of Eurasia, North Africa and...
    • Black-footed ferret

    • Black-footed ferret
    • Biologists (USFWS); Captive breeding; Employees (USFWS); Endangered species; Equipment; Human impacts; Mammals; Wildlife; Management; Population control; Reintroduction; Scientific personnel (USFWS); Trapping; Wildlife management; Wildlife...
    • Fish and Wildlife Service worker at night holding live trap with ferret inside getting ready to release into research area. For more information on the listing status and fact sheets of black-footed ferrets visit...
    • 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.

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