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  • All fields: Invasive species
(153 results)



Display: 20

    • Relict trillium competing with invasive species Nepal grass

    • Relict trillium; Confederate wakerobin; Trillium reliquum; Endangered species Plants; hardwood Forests community; perennial herb; Georgia; Piedmont Physiographic Province; Invasive species impacts; non-native species; competition; habitat...
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    • Kudzu

    • Habitat restoration; Invasive species; Plants; Plants
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    • Head Picture of Round Goby

    • Invasive species; Round Goby; Lake Michigan; Mississippi River; Illinois Waterway System; 7th Annual Goby Round Up; June 18-21 2002
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    • Sea Lamprey

    • Invasive species; Bay County Museum; Alpena Fishery Resources Office; Maritime Exhibit; April and May 2002; Anjanette Bowen
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    • 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.
    • 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.
    • Bamboo Grass

    • Grasses; Invasive species;
    • A close view of the invasive plant known as Bamboo Grass.
    • Giant Arrowhead

    • Flowering plants; Invasive species;
    • A close view of the invasive plant known as Old World Arrowhead or Giant Arrowhead.
    • Hydrilla

    • Aquatic plants; Invasive species;
    • A close-up of the aquatic invasive plant known as Hydrilla laid over a person's hand in Boulware Springs, Florida.
    • 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.
    • Tagging Nutria

    • Wildlife management; Wildlife refuges; Mammals; Rodents; Invasive species;
    • A collar is successfully put on a nutria on the Tuatalin River National Wildlife Refuge.
    • 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...
    • Removing Invasive Species

    • Plants; Invasive species; Wildlife refuges; Employees (USFWS); uniforms; service patch;
    • A group of U.S. Fish and Wildlife Service employees and interns work together to remove invasive species at the Rachel Carson National Wildlife Refuge located in Maine.
    • Captured 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.

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