Todd Preston, USGS contract scientist, collecting a surface-water sample from a Prairie Pothole wetland.
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Scientist Taking Water Samples
Todd Preston, USGS contract scientist, collecting a surface-water sample from a Prairie Pothole wetland.
Placing a Fyke Net in Wetland Vegetation
Glen Black of GLSC and Angela Wahlquist of Northland College places fyke net in wetland vegetation in Fish Creek Slough of Lake Superior near Ashland, Wisconsin, as part of a study of bioindicators of wetland degradation in the Great Lakes. This study is funded by the U.S.
Glen Black of GLSC and Angela Wahlquist of Northland College places fyke net in wetland vegetation in Fish Creek Slough of Lake Superior near Ashland, Wisconsin, as part of a study of bioindicators of wetland degradation in the Great Lakes. This study is funded by the U.S.
Removing Fish From a Holding Tank
Dr. Jacqueline Savino, fishery biologist, and Gentry Yearout, volunteer, remove fish for research from a tank in the fish holding room at the Great Lakes Science Center.
Dr. Jacqueline Savino, fishery biologist, and Gentry Yearout, volunteer, remove fish for research from a tank in the fish holding room at the Great Lakes Science Center.
Trawl Net Being Let Off From a Boat
Fishery biologists Gary Curtis and Renee Potter guide the trawl net as it is let out from the RV/Grayling into Lake Huron.
Fishery biologists Gary Curtis and Renee Potter guide the trawl net as it is let out from the RV/Grayling into Lake Huron.
Fish Catch
Biologists inspect fish catch from trawl net.
Biologists inspect fish catch from trawl net.
Trawling for Fish
The R/V Grayling trawls for fish in Lake Huron. The Center maintains five fessels, one on each of the Great Lakes, for fish stock assessment.
The R/V Grayling trawls for fish in Lake Huron. The Center maintains five fessels, one on each of the Great Lakes, for fish stock assessment.
Mbatuitui (Tringa flavipes, Tringa melanoleuca)
Two birds wading: note the diferences in size and bill: the bigger is the Greater.
Two birds wading: note the diferences in size and bill: the bigger is the Greater.
Yam Babybody Snail (Pupisoma dioscoricola)
Pupisoma dioscoricola shell viewed with a scanning electron microscope.
Pupisoma dioscoricola shell viewed with a scanning electron microscope.
Yam Babybody Snail (Pupisoma dioscoricola)
Pupisoma dioscoricola shell viewed with a scanning electron microscope.
Pupisoma dioscoricola shell viewed with a scanning electron microscope.
Ribbed Pinwheel Snail (Radiodiscus millecostatus)
Radiodiscus millecostatus shell viewed with a scanning electron microscope.
Radiodiscus millecostatus shell viewed with a scanning electron microscope.
Ribbed Pinwheel Snail (Radiodiscus millecostatus)
Radiodiscus millecostatus shell viewed with a scanning electron microscope with aperture facing up.
Radiodiscus millecostatus shell viewed with a scanning electron microscope with aperture facing up.
Ribbed Pinwheel Snail (Radiodiscus millecostatus)
Radiodiscus millecostatus shell viewed with a scanning electron microscope.
Radiodiscus millecostatus shell viewed with a scanning electron microscope.
Radiodiscus sp.
Top of Radiodiscus sp. viewed with scanning electron microscope.
Top of Radiodiscus sp. viewed with scanning electron microscope.
Gastrocopta germindens
Gastrocopta germindens shell viewed with a scanning electron microscope.
Gastrocopta germindens shell viewed with a scanning electron microscope.
Gastrocopta germindens
Gastrocopta germindens shell viewed with a scanning electron microscope.
Gastrocopta germindens shell viewed with a scanning electron microscope.
Gastrocopta gularis
Gastrocopta gularis shell viewed with a scanning electron microscope.
Gastrocopta gularis shell viewed with a scanning electron microscope.
Slim Snaggletooth Snail (Gastrocopta pellucida)
Gastrocopta pellucida shell viewed with a scanning electron microscope with a zoom-in of the aperture.
Gastrocopta pellucida shell viewed with a scanning electron microscope with a zoom-in of the aperture.
Wandering Snag Snail (Gastrocopta servilis)
Gastrocopta servilis shell viewed with a scanning electron microscope with a zoom-in of the aperture.
Gastrocopta servilis shell viewed with a scanning electron microscope with a zoom-in of the aperture.
Median Striate Snail (Striatura meridionalis)
Striatura meridionalis shell viewed with a scanning electron microscope with aperture facing up.
Striatura meridionalis shell viewed with a scanning electron microscope with aperture facing up.
Thysanophora caecoides
Thysanophora caecoides shell viewed with a scanning electron microscope.
Thysanophora caecoides shell viewed with a scanning electron microscope.
Strobilops sp.
Strobilops sp. shell viewed with a scanning electron microscope.
Strobilops sp. shell viewed with a scanning electron microscope.