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The USGS leads federal research to control invasive carp species through innovative management tools and methods. Our research products for carp control have proven valuable for broader conservation applications.
DEVELOPING & ADVANCING TECHNOLOGIES
The USGS leads federal research to control invasive carp species through innovative management tools and methods. Our research products for carp control have proven valuable for broader conservation applications.
DEVELOPING & ADVANCING TECHNOLOGIES
A buoy marking the location of monitoring equipment in Pool 13 of the Upper Mississippi River in 2024. The equipment is placed below the water surface to monitor waves and water clarity in the spring and summer.
A buoy marking the location of monitoring equipment in Pool 13 of the Upper Mississippi River in 2024. The equipment is placed below the water surface to monitor waves and water clarity in the spring and summer.
A view of the study area of Pool 13 of the Upper Mississippi River on a calm day from Eagle Point Park in Clinton, IA.
A view of the study area of Pool 13 of the Upper Mississippi River on a calm day from Eagle Point Park in Clinton, IA.
Angus Vaughan (USGS Upper Midwest Environmental Sciences Center, right) and Heidi Broerman (USGS Upper Midwest Water Science Center, left) pilot a research vessel down the Kalamazoo River, Michigan toward a reference reach where riverbed substrate will be characterized.
Angus Vaughan (USGS Upper Midwest Environmental Sciences Center, right) and Heidi Broerman (USGS Upper Midwest Water Science Center, left) pilot a research vessel down the Kalamazoo River, Michigan toward a reference reach where riverbed substrate will be characterized.
Figure 4. River current velocities captured on the St. Croix River, near Franconia, Minnesota, in May 2021.
Figure 4. River current velocities captured on the St. Croix River, near Franconia, Minnesota, in May 2021.
USGS volunteer Liliana uses a syringe to draw an eDNA sample from a rock pool along the Puka Stream. The eDNA sampled by USGS field crews informs research on invasive mosquito population dynamics.
USGS volunteer Liliana uses a syringe to draw an eDNA sample from a rock pool along the Puka Stream. The eDNA sampled by USGS field crews informs research on invasive mosquito population dynamics.
USGS scientist Andres Fritts holding a telemetered invasive bighead carp on the Mississippi River near Keokuk, Iowa.
USGS scientist Andres Fritts holding a telemetered invasive bighead carp on the Mississippi River near Keokuk, Iowa.
Prairie grassland flowers on the Upper Midwest Environmental Sciences Center campus, with USGS silos pictured in the background.
Prairie grassland flowers on the Upper Midwest Environmental Sciences Center campus, with USGS silos pictured in the background.
Phytoplankton nutrient enrichment experiment conducted as part of our toxins and harmful algal bloom research at Voyageurs National Park
Phytoplankton nutrient enrichment experiment conducted as part of our toxins and harmful algal bloom research at Voyageurs National Park
Nippon mercury analyzer for sediments and fish.
Nippon mercury analyzer for sediments and fish.
MC-ICP-MS used for mercury stable isotope analyses.
MC-ICP-MS used for mercury stable isotope analyses.
Scientists at the U.S. Geological Survey Upper Midwest Environmental Sciences Center and the U.S.
Scientists at the U.S. Geological Survey Upper Midwest Environmental Sciences Center and the U.S.
Graduate student, Grace Armstrong, performing mercury uptake studies in plankton at Mercury Research Laboratory, Middleton, Wisconsin.
Graduate student, Grace Armstrong, performing mercury uptake studies in plankton at Mercury Research Laboratory, Middleton, Wisconsin.
Sediment core sample taken at Grubers Grove Bay on the Wisconsin River, Wisconsin.
Sediment core sample taken at Grubers Grove Bay on the Wisconsin River, Wisconsin.
Panoramic view of USGS employees at a sampling site in Florida Everglades.
Panoramic view of USGS employees at a sampling site in Florida Everglades.
USGS Mercury research team collecting fish in Everglades National Park, Florida.
USGS Mercury research team collecting fish in Everglades National Park, Florida.
Scientists filtering water in the field at Everglades National Park, Florida.
Scientists filtering water in the field at Everglades National Park, Florida.
Internal look at the MC-ICP-MS flight tube when magnet is removed.
Internal look at the MC-ICP-MS flight tube when magnet is removed.
Row of lab bubblers sample purging prior to analysis at the Mercury Research Laboratory in Middleton, WI.
Row of lab bubblers sample purging prior to analysis at the Mercury Research Laboratory in Middleton, WI.
Methylmercury photodecomposition experiment on the roof of USGS building in Middleton, WI.
Methylmercury photodecomposition experiment on the roof of USGS building in Middleton, WI.
Erie pier pond in the Saint Louis River estuary in Duluth, MN.
Erie pier pond in the Saint Louis River estuary in Duluth, MN.