1,245 Free Images of Invasive Species

invasionlampreysea lampreymichiganwaterfishaquatic invasive speciesusfwsriveranimals
Landscape covered in invasive cheatgrass near Reno, Nevada
landscapespring
Weeds41.tif
invasive specieswood
Tahoe Temporary Watercraft Inspection Station
lake tahoe aquatic invasive species
Silver Carp (Hypophthalmichthys molitrix), Juvenile (7)
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Silver Carp (Hypophthalmichthys molitrix), Juvenile (6)
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Zebra Mussels and Moss Balls
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Adult Sea Lamprey Face
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Ed Schwartzman removing yellow flag iris
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Eel Ladder
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Eurasian Watermilfoil (Myriophyllum Spicatum)
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Chris Stoehrel at Elk Knob State Park
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Garden Snail (Helix Aspersa)
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: Purple loosestrife near the Mississippi River
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Lamprey mouth
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Miners River sea lamprey barrier
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Water Chestnut Harvesting and Disposal
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Grass Carp (Ctenopharyngodon idella)
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Water Chestnut Volunteers
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Grass Carp (Ctenopharyngodon idella)
invasive speciesusfws
Landscape covered in invasive cheatgrass near Reno, Nevada
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Water Chestnut Early Detection
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Invasive Waterchestnut
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Zebra Mussels (Dreissena polymorpha)
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pH water sample
summerwater
Boardman River Barrier
waterfish
Asian Clam (Corbicula Fluminea)
corbiculabivalvia
Sea Lamprey Control Staff Check traps
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Bighead carp are an invasive species to the Red River of Oklahoma
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Fisheries & Oceans Canad bayluscide treatment
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Tagged lamprey release
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Out the Boardman Ladder
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Hand Pulling Water Chestnut
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Mechanical Harvesting of Water Chestnut in 2010
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Silver Carp Adult (Hypophthalmichthys molitrix)
invasive speciesusfws
Silver Carp Adult (Hypophthalmichthys molitrix)
invasive speciesusfws
Gypsy Moth Caterpillar (Lymantria Dispar)
arthropodaarachnids
Houndstongue (Cynoglossum officinale) - invasive species
springplants
Zebra Mussels (Dreissena polymorpha)
invasionusfws
Releasing Tagged Lamprey
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Zebra Mussels (Dreissena polymorpha)
invasionusfws
Portable Office
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Eel Ladder Research
animalsfish
Weeds47
shrubtree
Weeds44
invasive speciestree
Stocking Lake Tahoe with Lahontan cutthroat trout
lake tahoe aquatic invasive species
Jgibson-9445
invasive speciesweed
Jgibson-9459
invasive speciesweed
Jgibson-9427
invasive speciesweed
Jgibson-0021
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Water Chestnut Mechanical Harvesting in 2011
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Invasive Patrol
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Trees62
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Jgibson-0018
foresttree
Jgibson-9425
invasive speciesweed
Stocking Lake Tahoe with Lahontan cutthroat trout
lake tahoe aquatic invasive species
Jgibson-9448
invasive speciesweed
Olive Hymenachne (Hymenachne Amplexicaulis)
angiospermscommelinids
non-native Elodea in Alaska
non-nativealaska
Jgibson-9433
invasive speciesweed
Jgibson-9456
invasive speciesweed
Stocking Lake Tahoe with Lahontan cutthroat trout
lake tahoe aquatic invasive species
Little girl with monarch on nose
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Silver Carp Sampling
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Silver Carp Sampling
naturefish
Zebra Mussels and Moss Balls
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eDNA Water Sampling
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Matt Symbal electrofishing the Rock River, Alger County, Michigan
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Boardman River Fish Ladder
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Boardman River Fish Ladder
waterfish
Queen Anne's Lace
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Nik Rewald, Biological Science Technician, with the Sea Lamprey Control Program.
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St. Mary's River Treatment Team
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Mary Henson collecting non-target species during the Conneaut Creek sea lamprey treatment.
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Silver Carp Sampling
naturefish
Fish Biologist Cheryl Kaye analyzes non-target species to determine how to best treat streams for sea lamprey and minimize mortality to sensitive fish species.
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removing invasive reed canary grass in Anchorage, Alaska
canarygrass
Sea lamprey exhibit on display. USFWS Photo.
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Wild parsnip in an Iowa prairie
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Landscape covered in invasive cheatgrass near Reno, Nevada
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Employee spraying invasive plants
coloradohistory
NPS Submerged Resources Center aids with Yellowstone's aquatic invasive species program
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Fish Biologists Cheryl Kaye and Mary Henson identify non-target species collected in Fish Creek, a tributary of the Conneaut Creek.
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Tree Harvest
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Roads14.tif
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European starling
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European starling
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Invasive Wild Parsnip
summerplants
Service Employee Sexing a Sea Lamprey at the Cheboygan River in Michigan.
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Down the Boardman River Fish Ladder
waterfish
Wildlife72.tif
wildlifeanimals
Look sharp
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Japanese Barberry (Berberis Thunbergii)
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Invasive Wild Parsnip
summerplants
Sea Lamprey Trap at Ocqueoc River in Michigan with a Large Catch of Sea Lamprey.
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The Harpersfield Dam on the Grand River in Ohio Serves as a Barrier to Sea Lamprey Migration
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Conneaut Creek, Pennsylvania
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Baordman River Sea Lamprey Barrier
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Bin O' lmaprey
summerfish
NPS Submerged Resources Center aids with Yellowstone's aquatic invasive species program (19)
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NPS Submerged Resources Center aids with Yellowstone's aquatic invasive species program (10)
underwaterfall
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