6,068 Free Images of Invasive

invasive species invasion lamprey sea lamprey michigan invasive species in alaska usfws invasive carp fish asian carp

Juvenile Grass Carp (Ctenopharyngodon idella)

USGS research ponds

Invasive Wild Parsnip

Bighead Carp Juvenile (Hypophthalmichthys nobilis) (3)

Boardman River Fish Ladder

Examples of invasive thorns

Bighead carp are an invasive species to the Red River of Oklahoma

assessment carp

Bin O' lmaprey

Invasive Queen Anne's Lace

Invasive Sea Lamprey and Native Chestnut Lamprey

Queen Anne's Lace

landscape nature

Zebra Mussels and Moss Balls

Nik Rewald, Biological Science Technician, with the Sea Lamprey Control Program.

employee people

Wild parsnip in an Iowa prairie

removing invasive reed canary grass in Anchorage, Alaska

Matt Symbal electrofishing the Rock River, Alger County, Michigan

michigan invasion

Weeds66

invasive species weed

Smackdown team members with weeds

invasive species in alaska

Smackdown team members with weeds

invasive species in alaska

Smackdown team with weeds pulled

invasive species in alaska

Smackdown team member with weeds

invasive species in alaska

invasive species weed

Youngest Smackdown weed puller

invasive species in alaska

Sporting weed theme tattoos

invasive species in alaska

invasive species weed

Sporting weed theme tattoos

invasive species in alaska

Purple Mustard

invasive and non-native plants wildflower

Dwarf Mallow

invasive and non-native plants wildflower

A testimony of senseless Polish destruction, German invasion of Poland, 1939 (33633762104)

historical history

Invasive Sea Lamprey and Native Chestnut Lamprey

Invasive Queen Anne's Lace

Comb Jelly (Mnemiopsis Leidyi)

bolinopsidae animalia

FWS staff retrieve gill net

Bighead Carp Juvenile (Hypophthalmichthys nobilis) (5)

Service Employee Shawn Nowicki Electrofishing

united states people

Invasive Species Removal

united states wood

Silver Carp (Hypophthalmichthys molitrix), Juvenile (8)

Grass Carp (Ctenopharyngodon idella), Juvenile-5

Conneaut Creek, Pennsylvania in the spring.

Silver Carp (Hypophthalmichthys molitrix), Juvenile (1)

aquatic invasive species silver carp

Grass Carp (Ctenopharyngodon idella), Juvenile-4

Lamprey in well tank

Sea Lamprey from the Cheboygan River Trap Site

The Harpersfield Dam on the Grand River in Ohio Serves as a Barrier to Sea Lamprey Migration

Baordman River Sea Lamprey Barrier

Conneaut Creek, Pennsylvania

Service Employee Sexing a Sea Lamprey at the Cheboygan River in Michigan.

Sea Lamprey Trap at Ocqueoc River in Michigan with a Large Catch of Sea Lamprey.

Employee spraying invasive plants

colorado history

Down the Boardman River Fish Ladder

Mike Locatelli, Aquatic Invasive Species Biologist, flushing an engine

Common Myna (Acridotheres Tristis)

Pickleweed (Batis Maritima)

angiosperms bataceae

Jgibson-6999

Smackdown team members with weeds

invasive species in alaska

Girl Scout weed pullers

invasive species in alaska

Kitty invasion!

Using GPS equipment to map invasive shrubs.

D2 Invasive Plants Thistle Oct 15, 2020

Flathead Catfish

invasion catfish

Cooked pig head with Hardy

invasive species checkflickr

Smackdown team member with weeds

invasive species in alaska

Smackdown team with weeds pulled

invasive species in alaska

invasive species weed

Girl with White Sweet Clover

invasive species in alaska

invasive species weed

Weed Smackdown contest category

invasive species in alaska

Smackdown team member with weeds

invasive species in alaska

Jgibson-7034

invasive species weed

Zebra Mussels

Processing eDNA samples

Houndstongue flowers (Cynoglossum officinale) - invasive species

Bighead Carp, Juvenile

Sea Lamprey trap

Lamprey trap lifting

Barrier Inspection

Sea Lamprey

employee people

Filtering water

Discussion with USGS staff

Invasive Waterchestnut

Cheatgrass choking out a native lupine flower

Looking up at wild parsnip

Service Employees Checking a Sea Lamprey Trap in the Menominee River, Michigan

Grass Carp (Ctenopharyngodon idella), Juvenile-9

Grass Carp (Ctenopharyngodon idella), Juvenile-2

Bighead Carp

11WS04_03

11WS04_02

Tahoe watercraft inspection

lake tahoe aquatic invasive species

Smackdown team members with weed bags

invasive species in alaska

Tahoe boats and kayaker

lake tahoe aquatic invasive species

Japanese Barberry (Berberis Thunbergii)

berberidaceae berbis

White Leadtree (Leucaena Leucocephala)

angiosperms eudicots

Nematode Worm (Anguillicoloides Crassus)

anguillicoloides camallanata

Bur Marigold (Bidens)

asteraceae america

Grass Carp, Juvenile

Janet McConnell checking samples of the river's pH to determine the level of lampricide to use in this treatment.

Duluth Boat Show - Sea Lamprey Booth

4601 - 4700 of 6,068 Next page

/ 61