Ultrafilters are used to concentrate pathogens from large-volume surface water samples. Plastic autoclaved bottles used for human-associated indicator bacteria analysis. Glass bottle used for DOC, simultaneous fluorescence and absorbance, and pharmaceutical compound analysis.
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Ultrafilters and bottles
Ultrafilters are used to concentrate pathogens from large-volume surface water samples. Plastic autoclaved bottles used for human-associated indicator bacteria analysis. Glass bottle used for DOC, simultaneous fluorescence and absorbance, and pharmaceutical compound analysis.
Prefilter and Ultrafilter assembly from Menomonee River, WI
Prefilter and Ultrafilter assembly from Menomonee River at 16th St., Milwaukee, WI.
Prefilter and Ultrafilter assembly from Menomonee River at 16th St., Milwaukee, WI.
Biologist Murulee Byappanahalli with students at the Chesterton lab
Murulee Byappanahalli GLSC; Lake Michigan Ecological Research Station; LMERS; Chesterton, Indiana, IN; students from Indiana University Northwest visit to learn about microbiology science and applications; outreach;
Murulee Byappanahalli GLSC; Lake Michigan Ecological Research Station; LMERS; Chesterton, Indiana, IN; students from Indiana University Northwest visit to learn about microbiology science and applications; outreach;
Field of Phragmites
Field of Phragmites near Cedar Point, Ohio.
Treating Phragmites in the Laboratory
The untreated non-native Phragmites plant (left) appears healthy; the organically treated plants (right) appear dead.
The untreated non-native Phragmites plant (left) appears healthy; the organically treated plants (right) appear dead.
ECCC Robot Assisted Vision Slide 1
ECCC Robot Assisted Vision Slide Two
ECCC Robot Assisted Vision Slide Two
Lake Erie Biological Station
Arial view of the Lake Erie Biological Station. See our Locations page for more information.
Arial view of the Lake Erie Biological Station. See our Locations page for more information.
Hammond Bay Biological Station
The Hammond Bay Biological Stationi. See our Locations page for more information.
The Hammond Bay Biological Stationi. See our Locations page for more information.
Cheboygan Vessel Base
The Cheboygan Vessel Base. Please see our Locations page for more information.
The Cheboygan Vessel Base. Please see our Locations page for more information.
Conduit associated with stream gage
Conduit associated with stream gage at Menomonee at 16th Street in Milwaukee (04087142).
Conduit associated with stream gage at Menomonee at 16th Street in Milwaukee (04087142).
Fish sampling using backpack shocker
USGS scientists use a backpack-mounted electrofishing device to sample fish communities in a small and shallow Milwaukee-area stream.
USGS scientists use a backpack-mounted electrofishing device to sample fish communities in a small and shallow Milwaukee-area stream.
Dive camera system with attached scooter
Dive camera system with attached scooter
Dive camera system with attached scooter
Stream reach of Underwood Creek channel after rehabilitation
An example stream reach of Underwood Creek’s channel in 2018 after rehabilitation.
An example stream reach of Underwood Creek’s channel in 2018 after rehabilitation.
Eagle Creek at Zionsville, IN - equipment
Eagle Creek at Zionsville, IN - equipment
Eagle Creek at Zionsville, IN - equipment
Peter Esselman (left) and Scott Dwyer(right) holding the Autonomous
Peter Esselman (left) and Scott Dwyer (right) holding the Autonomous Underwater Vehicle (AUV). The vehicle is in two pieces.
Peter Esselman (left) and Scott Dwyer (right) holding the Autonomous Underwater Vehicle (AUV). The vehicle is in two pieces.
White River at Hazelton IN - rain gage equipment on bridge
White River at Hazelton IN - rain gage equipment on bridge
White River at Hazelton IN - rain gage equipment on bridge
Practice diving drills on Lake Huron
Practice diving drills on Lake Huron. USGS divers regularly practice their skills and this study involves choriographed movements.
Practice diving drills on Lake Huron. USGS divers regularly practice their skills and this study involves choriographed movements.
Lark Bunting Nest with Four Eggs
Photograph of a Lark Bunting nest with four eggs. Nest was found in Phillips County, Montana.
Photograph of a Lark Bunting nest with four eggs. Nest was found in Phillips County, Montana.
Horned Lark Nest with Newly Hatched Nestlings
Photograph of a Horned Lark nest with newly hatched nestlings. Nest was found in Phillips County, Montana near S. Wagner Road.
Photograph of a Horned Lark nest with newly hatched nestlings. Nest was found in Phillips County, Montana near S. Wagner Road.
Large-volume virus water sample filtration and collection system
Custom-designed, automated, large-volume virus water sample filtration and collection system at Underwood Creek, WI.
Custom-designed, automated, large-volume virus water sample filtration and collection system at Underwood Creek, WI.
Surficial sediment collection on Wilson Park Creek, WI.
Surficial sediment collection on Wilson Park Creek, Milwaukee, WI.
Surficial sediment collection on Wilson Park Creek, Milwaukee, WI.