A water lily (Nymphaea) in full bloom surrounded by European frog-bit (Hydrocharis morsus-ranae), and Duckweed (Lemnaceae) in Mezger Marsh, part of the Ottawa National Wildlife Refuge on Lake Erie in Ohio. Photo credit: Kaira Liggett, USGS Contractor.
Images
Images captured by GLSC scientists while working in and around the Great Lakes.
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Water Lily
A water lily (Nymphaea) in full bloom surrounded by European frog-bit (Hydrocharis morsus-ranae), and Duckweed (Lemnaceae) in Mezger Marsh, part of the Ottawa National Wildlife Refuge on Lake Erie in Ohio. Photo credit: Kaira Liggett, USGS Contractor.
Phragmites
A USGS field crew (GLSC; Ann Arbor, Michigan) on an excursion in Metzger Marsh on Lake Erie to monitor invasive Phragmites australis. Photo credit: Kaira Liggett, USGS Contractor.
A USGS field crew (GLSC; Ann Arbor, Michigan) on an excursion in Metzger Marsh on Lake Erie to monitor invasive Phragmites australis. Photo credit: Kaira Liggett, USGS Contractor.
Summertime Marsh
Aquatic vegetation, including arrowhead (Sagittaria), water lily (Nymphaea), lotus (Nelumbo) and European frog-bit (Hydrocharis morsus-ranae), photographed in Metzger Marsh, part of the Ottawa National Wildlife Refuge on Lake Erie in Ohio. Photo credit: Kaira Liggett, USGS Contractor.
Aquatic vegetation, including arrowhead (Sagittaria), water lily (Nymphaea), lotus (Nelumbo) and European frog-bit (Hydrocharis morsus-ranae), photographed in Metzger Marsh, part of the Ottawa National Wildlife Refuge on Lake Erie in Ohio. Photo credit: Kaira Liggett, USGS Contractor.
Black Swallowtail Caterpillar
A black swallowtail caterpillar (Papilio polyxenes) feeding on vegetation at the Metzger Marsh boat launch, part of the Ottawa National Wildlife Refuge on Lake Erie in Ohio. Photo credit: Kaira Liggett, USGS Contractor.
A black swallowtail caterpillar (Papilio polyxenes) feeding on vegetation at the Metzger Marsh boat launch, part of the Ottawa National Wildlife Refuge on Lake Erie in Ohio. Photo credit: Kaira Liggett, USGS Contractor.
Benthic Sampling Sorting Squad
USGS lab personnel (GLSC; Chesterton, Indiana) holding benthic sample processing trays; each team member works on a different part of the process. Photo credit: Kasia Przybyla-Kelly, USGS.
USGS lab personnel (GLSC; Chesterton, Indiana) holding benthic sample processing trays; each team member works on a different part of the process. Photo credit: Kasia Przybyla-Kelly, USGS.
Leland in the Rearview Mirror
The R/V Sculpin II departing the Leland harbor for a day on Lake Michigan tending acoustic telemetry fish-tracking arrays. Photo credit: Greg Kennedy, USGS.
The R/V Sculpin II departing the Leland harbor for a day on Lake Michigan tending acoustic telemetry fish-tracking arrays. Photo credit: Greg Kennedy, USGS.
Happy Hooking
Retrieval of a submerged acoustic telemetry receiver by USGS biological science technicians (GLSC; Ann Arbor, Michigan) from offshore waters of Lake Michigan, using a grapnel drag to hook a 'snag' line attached to the mooring. Photo credit: Greg Kennedy, USGS.
Retrieval of a submerged acoustic telemetry receiver by USGS biological science technicians (GLSC; Ann Arbor, Michigan) from offshore waters of Lake Michigan, using a grapnel drag to hook a 'snag' line attached to the mooring. Photo credit: Greg Kennedy, USGS.
A Record Year for Coregonine Recruitment
Age-1 coregonine fish caught in a trawl at Jackfish Bay, Lake Superior in June 2023 aboard the R/V Kiyi (GLSC; Ashland, Wisconsin). Photo credit: Lori Evrard, USGS.
Age-1 coregonine fish caught in a trawl at Jackfish Bay, Lake Superior in June 2023 aboard the R/V Kiyi (GLSC; Ashland, Wisconsin). Photo credit: Lori Evrard, USGS.
Down the Pipe
A bottom trawl being deployed by USGS biological science technicians (GLSC; Huron, Ohio) aboard the GLSC’s R/V Muskie. Photo credit: Kevin Keretz, USGS.
A bottom trawl being deployed by USGS biological science technicians (GLSC; Huron, Ohio) aboard the GLSC’s R/V Muskie. Photo credit: Kevin Keretz, USGS.
Anchored in Whitefish Bay, Lake Superior
An evening view of Whitefish Bay shoreline, Lake Superior, Ontario, Canada looking south from Pancake Bay. Photo credit: Lori Evrard, USGS.
An evening view of Whitefish Bay shoreline, Lake Superior, Ontario, Canada looking south from Pancake Bay. Photo credit: Lori Evrard, USGS.
Waterfall at Pictured Rocks National Lakeshore
A waterfall flowing into Lake Superior along Pictured Rocks National Lakeshore. Photo credit: Alden Tilley, USGS.
A waterfall flowing into Lake Superior along Pictured Rocks National Lakeshore. Photo credit: Alden Tilley, USGS.
Ditch Diggin'
USGS wetland scientist (GLSC; Ann Arbor, Michigan) uses a root spade to severe below-ground connections to an experimental plot as part of a larger invasive Phragmites australis control experiment. Photo credit: Margaret Kimpling, USGS Contractor.
USGS wetland scientist (GLSC; Ann Arbor, Michigan) uses a root spade to severe below-ground connections to an experimental plot as part of a larger invasive Phragmites australis control experiment. Photo credit: Margaret Kimpling, USGS Contractor.
Gull Speed Ahead!
A gull riding the bow of the R/V Desmid in Lake Huron. Photo credit: Nick Yeager, USGS.
A gull riding the bow of the R/V Desmid in Lake Huron. Photo credit: Nick Yeager, USGS.
Captivating Cladophora
USGS divers (GLSC; Ann Arbor, Michigan) take close-up photos and videos of sampling locations before collecting samples, such as this example taken three meters below the surface in Lake Ontario that is full of Cladophora growing on rocks. Photo credit: Megan Lewan, USGS.
USGS divers (GLSC; Ann Arbor, Michigan) take close-up photos and videos of sampling locations before collecting samples, such as this example taken three meters below the surface in Lake Ontario that is full of Cladophora growing on rocks. Photo credit: Megan Lewan, USGS.
Rock Bottom
A USGS diver (GLSC; Ann Arbor, Michigan) records information on her dive slate before collecting a benthic sample of submerged aquatic vegetation and invasive dreissenid mussels. Photo credit: Megan Lewan, USGS.
A USGS diver (GLSC; Ann Arbor, Michigan) records information on her dive slate before collecting a benthic sample of submerged aquatic vegetation and invasive dreissenid mussels. Photo credit: Megan Lewan, USGS.
Vernal Pool Party
Clutches of eggs in a vernal pool on Outer Island of the Apostle Islands National Lakeshore. Photo credit: Nick Yeager, USGS.
Clutches of eggs in a vernal pool on Outer Island of the Apostle Islands National Lakeshore. Photo credit: Nick Yeager, USGS.
Aquatic Ambience
The bottom of Lake Huron as seen by USGS divers (GLSC; Chesterton, Indiana) six meters below the surface. Photo credit: Madeleine Giordano, USGS.
The bottom of Lake Huron as seen by USGS divers (GLSC; Chesterton, Indiana) six meters below the surface. Photo credit: Madeleine Giordano, USGS.
Cerulean Skies
Sugar Island on a beautiful blue backdrop as seen aboard the R/V Stonecat while sampling on Lake Huron near Alpena, Michigan. Photo credit: Megan Lewan, USGS.
Sugar Island on a beautiful blue backdrop as seen aboard the R/V Stonecat while sampling on Lake Huron near Alpena, Michigan. Photo credit: Megan Lewan, USGS.
Small Yet Feisty
A native Northern clearwater crayfish (Faxonius propinquus) collected in the Northern Refuge of Lake Michigan during a lake trout survey aboard the GLSC’s R/V Arcticus. Photo credit: Patty Dieter, USGS.
A native Northern clearwater crayfish (Faxonius propinquus) collected in the Northern Refuge of Lake Michigan during a lake trout survey aboard the GLSC’s R/V Arcticus. Photo credit: Patty Dieter, USGS.
Dive into Science!
The USGS crew of the R/V Stonecat (GLSC; Chesterton, Indiana and Ann Arbor, Michigan) all geared up for a cold day of research on Lake Huron. Photo credit: Jessica Oswald, USGS Contractor.
The USGS crew of the R/V Stonecat (GLSC; Chesterton, Indiana and Ann Arbor, Michigan) all geared up for a cold day of research on Lake Huron. Photo credit: Jessica Oswald, USGS Contractor.
Releasing a Grass Carp with an Acoustic Tag
Tagged Grass Carp swimming away after being release post telemetry surgery into the Sandusky River, OH. Photo credit: James Roberts, USGS.
Tagged Grass Carp swimming away after being release post telemetry surgery into the Sandusky River, OH. Photo credit: James Roberts, USGS.