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  • All fields: Invasive species
(145 results)



Display: 20

    • 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

    • 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

    • 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).
    • 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.
    • 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.
    • 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.
    • Orange Hawkweed, Sand Point, Alaska

    • Alaska Maritime National Wildlife Refuge; AMNWR; Birds; Coastal environments; Islands; biology; work of the refuge; Aleutians; Aleutian Islands; Invasive species; invasives; invasive Plants
    • Orange Hawkweed, known also as "devilweed" has invaded many communities in Alaska. It is recognized as an ecologically invasive plant and noxious weed in the United States and Canada and threatens biodiversity. Once established ,it quickly...
    • 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.
    • Caged Nutria is Covered to Keep Animal Calm During Tagging

    • Aquatic animals; Invasive species; Mammals; Rodents; Wildlife management; Trapping; Tagging;
    • A sheet covers the caged nutria to keep it calm during the tail tagging. Tagging the animals will help biologists to better understand the nutria and prevent their spreading.
    • Collar Tag for Nutria

    • Aquatic animals; Invasive species; Mammals; Rodents; Wildlife management; Trapping; Tagging;
    • A collar tag to be put on a nutria. It's designed stretch so it can be put on snugly and a nutria will neither get a limb stuck inside nor have trouble breathing. Tagging the animals will help biologists to better understand the nutria's habits and...
    • Nutria is released Back Into the Water

    • Aquatic animals; Invasive species; Mammals; Rodents; Wildlife management; Trapping; Tagging;
    • The tagged nutria is released back into the water. Tagging the animals will help biologists to better understand the habits of nutria and prevent their spreading.
    • Trapped Nutria

    • Aquatic animals; Invasive species; Mammals; Rodents; Wildlife management; Trapping; Tagging;
    • These nutria were safely trapped the night before and will be tagged to learn more about their habits.
    • Baited trap used to capture nutria

    • Aquatic animals; Invasive species; Mammals; Rodents; Wildlife management; Trapping; Tagging;
    • A trap baited with carrots and apples awaits a nutria to venture out of the water and investigate. The animals are trapped in order to tag them to better understand the habits of nutria and to prevent their spreading.
    • Nutria safe trapping

    • Aquatic animals; Invasive species; Mammals; Rodents; Wildlife management; Trapping; Tagging;
    • A safe trap awaits a nutria to venture out of the water and investigate. The animals are trapped in order to tag them to better understand the habits of nutria and to control populations.
    • Nutria health Exam

    • Aquatic animals; Invasive species; Mammals; Rodents; Wildlife management; Trapping; Tagging;
    • A nutria is given a health exam before being tagged. Tagging the animals will help biologists to better understand nutria and prevent their spreading.
    • Tagged Nutria

    • Aquatic animals; Invasive species; Mammals; Rodents; Wildlife management; Trapping; Tagging;
    • A collar is successfully attached to the nutria. Tagging the animals will help biologists to better understand the nutria and to prevent their spreading.
    • Nutria awaits tagging

    • Aquatic animals; Invasive species; Mammals; Rodents; Wildlife management; Trapping; Tagging;
    • A nutria in a cage waits to get a tail tag. Tagging the animals will help biologists better understand the animal and prevent their spread.
    • Caged Nutria

    • Aquatic animals; Invasive species; Mammals; Rodents; Wildlife management; Trapping; Tagging;
    • A caged nutria, waiting to be tagged. The animals are trapped in order to tag them to better understand the habits of nutria and preventing their spreading.
    • Nutria health exam

    • Aquatic animals; Invasive species; Mammals; Rodents; Wildlife management; Trapping; Tagging; Biologists (USFWS);
    • A nutria is examined before being tagged. Tagging the animals will help biologists to better understand nutria and prevent their spreading.

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