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UC Davis - Poulin Research Group

UC Davis - Poulin Research Group

Addressing issues of metal contaminants in our environment

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Periphyton from the Florida Everglades for incubations

Field Work

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Field Work

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Wooden pedestrian bridge with metal railings over creek, people walking under trees

Sunset of a study wetland site in northwest Alaska (Wrench Creek).

Water outflow of the Hells Canyon hydroelectric dam, Snake River.

Sun peaking through the clouds on base camp on Cape Krusenstern National Monument, Alaska.

Graffiti of a fish was the words "Gone Fishing" painted on dam wall (Credit: Brett Poulin)

Flask of water sample and field scientist in Alaskan wetland.

Amber colored pore water sample collected from a wetland

A peat core from an Alaska wetland.

Six flasks with a gradient in color showing dissolved organic matter gradient of field samples.

Brett Poulin (principle investigator) sampling a wetland.

A project member holding a soil core from an Arctic wetland.

Student kneeling in river sampling pore water

Photo of student and water sample

Photo of Ben Peterson filtering a sample at sunset (Credit: Brett Poulin)

photo of mangroves as low tide

A student sampling water from her lake

Photo of individuals sampling pore water from coastal mangroves in Florida

Crab is clawing at the pore water sipper

Igning River in Gates of the Arctic NP

Samples ready to be filtered

Instrument in seep

Periphyton from the Florida Everglades for incubations

Row of small labeled plastic bottles that span from clear to amber, due to gradient in dissolved organic matter composition

Person in sun hat and life vest fishing from small boat on a calm lake

Shallow desert stream curving past rocky banks, camp gear on shore under blue sky

Four trout lying on a sandy riverbank next to a measuring tape at sunset

Aerial barren mountains with a narrow rust-colored creek in a glacial valley

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Last update: April 9, 2026

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