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  • All fields: Invasive species
(148 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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    • 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...
    • 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.
    • 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.
    • 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.
    • Nutria

    • Invasive species; Interpretation; Photography; Mammals; Rodents; Work of the Service; Wildlife management;
    • A nutria snacks on greens while being filmed for the USFWS and Pangolin Film's effort to create awareness surrounding the dangers of the spreading non-native nutria populations in the northwest region.
    • Hydrilla

    • Aquatic plants; Invasive species;
    • A photograph of a person holding up the aquatic invasive plant known as Hydrilla in Boulware Springs, Florida.
    • 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.
    • Saltcedar

    • Invasive species; Plants; Wildlife refuges; Scenics;
    • A scenic view of the Bear River Migratory Bird Refuge in Utah. The Saltcedar found in the foreground of the picture plane is an invasive species that was introduced to the U.S. in the 1800's. Saltcedar, also known as tamarisk, absorbs large amounts...
    • 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.

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