Unified Interior Regions

Region 3: Great Lakes

Great Lakes Restoration Initiative

Great Lakes Restoration Initiative

For more information on the Great Lakes and work being done, check out the Great Lakes Restoration Initiative website here! 

GLRI

USGS Science Centers in the Great Lakes Region

For more information on what each center is doing in the Great Lakes, please follow the links below! 

Great Lakes Science Center

Ohio-Kentucky-Indiana Water Science Center

Upper Midwest Water Science Center

Upper Midwest Environmental Sciences Center

National Wildlife Health Center

Regions L2 Landing Page Tabs

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USGS scientist collecting velocity measurements and microplastic sampling at mid-depth within the water column
August 8, 2016

Scientist collecting velocity measurements and microplastic samples

USGS scientist collecting velocity measurements and microplastic sampling at mid-depth within the water column, Menomonee River.

The purple-tinted Black River Delta surrounded by lush green forest from a bird's eye view.
August 6, 2016

Black River Delta, Wisconsin

Black River Delta, Wisconsin

Sediment core from Kinnickinnic River
August 3, 2016

Sediment core from Kinnickinnic River

Sediment core from Kinnickinnic River.

Stream habitat assessment along a transect
July 29, 2016

Stream habitat assessment along a transect

Stream habitat data is collected along a series of transects marked by tape measure and includes estimating rock size categories (for example, sand, gravel, cobble, boulders) with a guide (shown).

Bank height above water surface assessment
July 28, 2016

Bank height above water surface assessment

Bank height above the water surface is measured at each transect along a stream reach to estimate the channel and bed substrate as well as the type and size of sediment size that can be transported by the stream.

Stream habitat measurement along a transect
July 28, 2016

Stream habitat measurement along a transect

Stream habitat measurement showing meter stick and gravelometer used to measure channel depths and particle sizes.

Lake Trout
July 13, 2016

Lake Trout

Lake trout historically supported the most valuable freshwater commercial fisheries in North America, but their populations crashed in parts of the Great Lakes during the 1950s and 1960s due to overfishing and invasive species.

Photos show change in water clarity in agricultural runoff before and after a grassed waterway was installed
June 23, 2016

Edge-of-field: runoff before and after conservation practice install

These photos, taken before and after a grassed-waterway conservation practice was installed, show a change in the water clarity of agricultural runoff at an edge-of-field surface monitoring site in Wisconsin.

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