Upper Midwest Environmental Sciences Center

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Filter Total Items: 31
USGS Scientist Mark Roth listening to frog calls.
December 31, 2002

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.

Mayfly - Hexagenia limbata
December 31, 2002

Mayfly - Hexagenia limbata

Mayfly - Hexagenia limbata

Eastern American Toad
December 31, 2000

Eastern American Toad (Bufo americanus americanus)

The sound of an Eastern American toad (Bufo americanus americanus) call.

USGS Scientist Kevin Kenow looks out over lake at dawn.
December 31, 2000

USGS Scientist Kevin Kenow looks out over lake at dawn.

USGS Scientist Kevin Kenow looks out over lake at dawn.

USGS
October 10, 2018

Internship: Estimating trends in river and stream water temperature...

Estimating trends in river and stream water temperature using improved statistical models

USGS
October 10, 2018

Internship: Evaluating potential ecosystem indicators of Great Lakes..

Evaluating potential ecosystem indicators of Great Lakes restoration success