1,596 Free Photos of Sample

invasive species nature wildlife conservation usfws fws u.s. fish and wildlife service aquatic invasive species fish edna

Paddlefish

wildlife nature

Invasive Carp eDNA Sampling on the James River in South Dakota.

james river sam i am

Invertebrate sampling

wildlife nature

Sailor sampling a basket of apples, which was given to ser…

historical history

Invasive Carp eDNA Sampling on the James River in South Dakota.

james river sam i am

Paddlefish

wildlife nature

Invasive Carp eDNA Sampling on the James River in South Dakota.

james river sam i am

Identifying lamprey

Invasive Carp eDNA Sampling on the James River in South Dakota.

james river sam i am

Primavera

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

Extracting total DNA from environmental DNA water filter samples collected in the field.

yellowstone employee

Paddlefish

wildlife nature

Invasive Carp eDNA Sampling on the James River in South Dakota.

james river sam i am

Invasive Carp eDNA Sampling on the James River in South Dakota.

james river sam i am

Washington, D.C. Sampling a basket of apples which was giv…

historical history

Invasive Carp eDNA Sampling on the James River in South Dakota.

Invasive Carp eDNA Sampling on the James River in South Dakota.

Lisa Dennis treating Ogontz River

Paddlefish

wildlife nature

Staff conduct yearling lake trout monthly sample counts in the production building

U.S. Geological Survey, Sample Site, South Fork Edisto River, at U.S. Highway 321, Orangeburg and Bamberg Counties, South Carolina, Jeff Riley 2

20200730-USDA-PPQ-Unsolicited seed labels1.jpg

united states maryland

Fish Sampling

Glenda Samples Info Specialist Lava Butte 1964 3

monochrome white

Polistes carolina stinger

USAFA sampling

Invasive Carp eDNA Sampling on the James River in South Dakota.

Monitoring treatment

GATE (Gifted and Talented Education) sample native food products

Briga do João de Barro

Invasive Carp eDNA Sampling on the James River in South Dakota.

Invasive Carp eDNA Sampling on the James River in South Dakota.

Invasive Carp eDNA Sampling on the James River in South Dakota.

Pickled Samples

Breaking Up Samples

Invasive Carp eDNA Sampling on the James River in South Dakota.

water quality sam i am

Invasive Carp eDNA Sampling on the James River in South Dakota.

water quality sam i am

Silviculturalist taking tree sample, Unknown

landscape animals

Massive lake sturgeon

USFWS Fisheries worker takes fin sample from lake sturgeon

Lower Columbia River Fish Health Center laboratory fish sampling

Timed sample of a long-term monitoring grid on the Cacapon River

Invasive Carp eDNA Sampling on the James River in South Dakota.

water quality sam i am

Invasive Carp eDNA Sampling on the James River in South Dakota.

water quality sam i am

Invasive Carp eDNA Sampling on the James River in South Dakota.

water quality sam i am

U.S. Geological Survey, Sample Site, Turkey Creek (downstream), at Highway 41, Francis Marion National Forest, Berkeley County, South Carolina, Jeff Riley 3

Invasive Carp eDNA Sampling on the James River in South Dakota.

water quality sam i am

Invasive Carp eDNA Sampling on the James River in South Dakota.

water quality sam i am

Treating Ogontz River

Invasive Carp eDNA Sampling on the James River in South Dakota.

water quality sam i am

TCC Biologist Alyssa Frothingham taking students to the salmon weir. Students learned how to sample salmon by recording age, sex, and length.

working for wildlife across alaska learn- science & culture camps

Inverno Chuvoso

Measuring a Bigmouth Buffalo

wildlife nature

The Terrain of Melas Chasma

landscape science

USFWS Fisheries worker takes fin sample from lake sturgeon-1

USFWS Fisheries worker takes fin sample from lake sturgeon-6

Lower Columbia River Fish Health Center laboratory fish sampling-1

Kodak Sample 2

architecture church

Pallid Sturgeon

wildlife nature

Seasonal employee Jesse Goodin-Mendoza checking Ogontz

Blue Sucker Capture on the Missouri River

wildlife nature

Dehydrated foods and educational materials for dehydrating

Trilha De Verão

Native bee (Andrena sp.) on coneflower

animals insects

USFWS Fisheries worker takes fin sample from lake sturgeon-4

Lower Columbia River Fish Health Center laboratory fish sampling-3

Nekton Sampling

united states interior

Lower Columbia River Fish Health Center laboratory fish sampling-1

FGBNMS - Lionfish Capture

underwater water

Soil Scientist Nathan Haile visits with ranchers about soil health in soil samples taken in the pasture.

Brook Trout

Mount St. Helens Institute Students Sampling Algae

landscape nature

Banda Toma (Participação Especial)

Ponte Sobre o Rio Vacacaí, Restinga Seca, Rio Grande Do Sul, Brasil

Pallid Sturgeon Monitoring in the Missouri River

wildlife nature

Pallid Sturgeon Monitoring in the Missouri River

wildlife nature

Pallid Sturgeon Monitoring in the Missouri River

wildlife nature

Pallid Sturgeon Monitoring in the Missouri River

wildlife nature

Invasive Carp eDNA Sampling on the James River in South Dakota. Photo: Sam Stukel - USFWS.

Pallid Sturgeon Monitoring in the Missouri River

wildlife nature

Invertebrate sampling

wildlife nature

Big Bend Gambusia

Pallid Sturgeon Monitoring in the Missouri River

wildlife nature

Pallid Sturgeon Monitoring in the Missouri River

wildlife nature

Pallid Sturgeon Monitoring in the Missouri River

wildlife nature

Evergreen State College Crew Sampling

Silver Carp Sampling

A Polar Bear Biologist Labels Blood Samples from a Bear

polar bear scientist

Water sampling for eDNA

Lewis Lake Sampling

Fotografi på målningen från Rijks-Museum - Hallwylska museet - 104487

historical history

Silver Carp Sampling

Pallid Sturgeon Monitoring in the Missouri River

wildlife nature

Pallid Sturgeon Monitoring in the Missouri River

wildlife nature

Formiga

Silver Carp Sampling

Slide

motorcycle horses

Water soil sampling

Fish sampling

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