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  • All fields: Invasive species
(156 results)



Display: 20

    • Zebra mussels on rudder

    • Zebra mussels on rudder
    • Invasive species; Aquatic environments;
    • Zebra mussels can attach themselves to boats and thereby inadvertantly be transferred to different waterways where they spread. Important for boaters in infected areas to be sure to careful clean their boat hulls/rudders, etc to prevent the spread...
    • Zebra mussels on rudder

    • Zebra mussels on rudder
    • Invasive species; Aquatic environments;
    • Zebra mussels can attach themselves to boats and thereby inadvertantly be transferred to different waterways where they spread. Important for boaters in infected areas to be sure to carefully clean their boat hulls/rudders, etc to prevent the...
    • Yellow nutsedge at Neal Smith National Wildlife Refuge

    • Yellow nutsedge at Neal Smith National Wildlife Refuge
    • Wildlife Refuges; Weeds; Landscape photography; Invasive species;
    • Neal Smith National Wildlife Refuge was established in 1990 with ambitious goals and a multifaceted mission. The mission of the Refuge is to actively protect, restore, reconstruct and manage the diverse native ecosystems of tallgrass prairie, oak...
    • Worker does his best to eradicate Brazilian Pepper Plant.

    • Worker does his best to eradicate 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.
    • Wild hogs

    • Wild hogs
    • Wildlife refuges;
    • Wild hogs are an invasive species as they damage native plants and crops.
    • 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.
    • White sweet clover at Tetlin National Wildlife Refuge

    • White sweet clover at Tetlin National Wildlife Refuge
    • Plants; Wildflowers; Invasive species; Wildlife refuges
    • The Alaska Highway is the northern boundary of the 682,604 acre Tetlin Refuge for 65 miles northwest of Alaska-Yukon border. From scenic overlooks you can view wetlands important to breeding waterfowl, and boreal forests and alpine habitats...
    • White sweet clover at Tetlin National Wildlife Refuge

    • White sweet clover at Tetlin National Wildlife Refuge
    • Flowering plants; Wildlife refuges; Wildflowers; Invasive species;
    • The Alaska Highway is the northern boundary of the 682,604 acre Tetlin Refuge for 65 miles northwest of Alaska-Yukon border. From scenic overlooks you can view wetlands important to breeding waterfowl, and boreal forests and alpine habitats...
    • Weighing Caged Nutria

    • Weighing Caged Nutria
    • Aquatic animals; Invasive species; Mammals; Rodents; Wildlife management; Trapping; Tagging; Biologists (USFWS);
    • Every nutria is weighed before tagging. Tagging the animals will help biologists to better understand the habits of nutria and prevent their spreading
    • Weedwrench

    • Weedwrench
    • Plants; Invasive species; Habitat restoration; Training; Vegetation; Work of the Service;
    • Students enrolled in WLD2139 Invasive Plant Management, a course offered at the USFWS National Conservation Training Center pause before tackling the removal of invasive plants through the use of a "Weed Wrench" seen here in bright orange.
    • Water, water, everywhere

    • Water, water, everywhere
    • Connecting people with nature; Work of the Service; Boats; Invasive species;
    • Mike Rowe, the popular host of the Discovery Channel series "Dirty Jobs with Mike Rowe," brings his show to the U.S. Fish and Wildlife Service's Arthur R. Marshall Loxahatchee National Wildlife Refuge in April 2010. Mike Rowe, seated with goggles,...
    • Water Hyacinth Leaves

    • Water Hyacinth Leaves
    • Aquatic plants; Invasive species;
    • A view of the large green leaves of the aquatic invasive plant known as Water Hyacinth next to a human hand.
    • Water Hyacinth

    • Water Hyacinth
    • Aquatic plants; Invasive species;
    • A view of the aquatic invasive plant known as Water Hyacinth in full bloom in Paynes Prairie State Park located in Florida.
    • Water hyacinth

    • Water hyacinth
    • Aquatic plants; Invasive species;
    • Invasive water hyacinth plants covering water around old fence post.

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