Sediment core retrieval from Lake Erie onboard the RV Lake Guardian
Sediment core retrieval from Lake Erie onboard the RV Lake GuardianSediment core retrieval from Lake Erie onboard the RV Lake Guardian on Lake Erie, Michigan.
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Sediment core retrieval from Lake Erie onboard the RV Lake Guardian
Sediment core retrieval from Lake Erie onboard the RV Lake Guardian
Sediment core retrieval from Lake Erie onboard the RV Lake GuardianSediment core retrieval from Lake Erie onboard the RV Lake Guardian on Lake Erie, Michigan.
Loons on Lake
Loons on Lake
USGS Water towers
USGS Water towers at Upper Midwest Environmental Sciences Center
USGS Water towers at Upper Midwest Environmental Sciences Center
Northern waterthrush
Northern waterthrush
Goose Island, Mississippi River, Wisconsin
Goose Island, Mississippi River, Wisconsin
Black River, Wisconsin
Black River, Wisconsin
Found Lake Loons, Gavia immer
Found Lake Loons, Gavia immer
Lock and Dam 7 Panorama
Lock and Dam 7 Panorama
Black River, Wisconsin
Black River, Wisconsin
USGS Scientist Robert Kennedy examining freshwater mussel.
USGS Scientist Robert Kennedy examining freshwater mussel.USGS Scientist Robert Kennedy examining freshwater mussel.
USGS Scientist Robert Kennedy examining freshwater mussel.
USGS Scientist Robert Kennedy examining freshwater mussel.USGS Scientist Robert Kennedy examining freshwater mussel.
three neotropical birds
Three neotropical birds (Left to right: Magnolia warbler, Wilson's warbler, Canada warbler - all males) that were cought in mist net for banding
Three neotropical birds (Left to right: Magnolia warbler, Wilson's warbler, Canada warbler - all males) that were cought in mist net for banding
Blue-winged Warbler, Vermivora pinus
Blue-winged Warbler, Vermivora pinus
Mussel Survey. Radio tracking the movements of native mussels
Mussel Survey. Radio tracking the movements of native musselsMussel Survey. Radio tracking the movements of native mussels
Mussel Survey. Radio tracking the movements of native mussels
Mussel Survey. Radio tracking the movements of native musselsMussel Survey. Radio tracking the movements of native mussels
Gray treefrog blending in to tree bark
Tamarac National Wildlife Refuge, Hyla versicolor - Gray Treefrog, ARMI photo by Mark Roth. UMESC
Tamarac National Wildlife Refuge, Hyla versicolor - Gray Treefrog, ARMI photo by Mark Roth. UMESC
Example mercury laboratory request for analysis form
Example mercury laboratory request for analysis formExample completed filled in Wisconsin District Mercury Laboratory Request for Analysis form.
Example mercury laboratory request for analysis form
Example mercury laboratory request for analysis formExample completed filled in Wisconsin District Mercury Laboratory Request for Analysis form.
Fish sampling
USGS scientist Brent Knights conducting fish sampling on the Upper Mississippi River. Biological production represents the total amount of living material (biomass) that was produced during a defined period of time.
USGS scientist Brent Knights conducting fish sampling on the Upper Mississippi River. Biological production represents the total amount of living material (biomass) that was produced during a defined period of time.
Grey Tree Frog
Grey Tree Frog
USGS Scientist Mark Roth listening to frog calls.
USGS Scientist Mark Roth listening to frog calls. Coolecting frog calls allows scientists to determine distribution of species.
USGS Scientist Mark Roth listening to frog calls. Coolecting frog calls allows scientists to determine distribution of species.
Mayfly - Hexagenia limbata
Mayfly - Hexagenia limbata
USGS Scientist Kevin Kenow looks out over lake at dawn.
USGS Scientist Kevin Kenow looks out over lake at dawn.USGS Scientist Kevin Kenow looks out over lake at dawn.
USGS Scientist Kevin Kenow looks out over lake at dawn.
USGS Scientist Kevin Kenow looks out over lake at dawn.USGS Scientist Kevin Kenow looks out over lake at dawn.
Upper Midwest Environmental Sciences Center
Upper Midwest Environmental Sciences Center
Upper Midwest Environmental Sciences Center