USGS Mercury research team collecting fish in Everglades National Park, Florida.
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Mercury research team collecting fish in Everglades
USGS Mercury research team collecting fish in Everglades National Park, Florida.
Filtration of water in the field at Everglades
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.
Internal look at the MC-ICP-MS flight tube when magnet is removed.
Sampling rain induced runoff from wastewater effluent-irrigated agricultural runoff site on August 30, 2019, at the Oklahoma State University South Central Research Station in Chickasha, Oklahoma. Photograph by Jason Masoner, U.S. Geological Survey.
linkThis photo show runoff from an experimental plot through a weir. Scientists carried out the study at the Oklahoma State University South Central Research Station in Chickasha, Oklahoma. Its a good example of rain induced runoff.
Sampling rain induced runoff from wastewater effluent-irrigated agricultural runoff site on August 30, 2019, at the Oklahoma State University South Central Research Station in Chickasha, Oklahoma. Photograph by Jason Masoner, U.S. Geological Survey.
linkThis photo show runoff from an experimental plot through a weir. Scientists carried out the study at the Oklahoma State University South Central Research Station in Chickasha, Oklahoma. Its a good example of rain induced runoff.
Row of lab bubblers sample purging prior to analysis
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.
Graphical depiction of three sources of variation in methylmercury
Graphical depiction of three sources of variation that can affect accumulation of methylmercury in black rails: habitat (sediment) biogeochemistry, food web structure and biomagnification, and diet composition. Methylmercury moves from the sediment into the wetland food web and accumulates in rail tissues.
Graphical depiction of three sources of variation that can affect accumulation of methylmercury in black rails: habitat (sediment) biogeochemistry, food web structure and biomagnification, and diet composition. Methylmercury moves from the sediment into the wetland food web and accumulates in rail tissues.
Methylmercury photodecomposition experiment on the roof of building
Methylmercury photodecomposition experiment on the roof of USGS building in Middleton, WI.
Methylmercury photodecomposition experiment on the roof of USGS building in Middleton, WI.
The cyanobacteria Gleotrichia shown under a microscope
The cyanobacteria Gleotrichia shown under a microscope from a water sample collected at Ek Lake Trail, a popular recreational area in Kabetogama Lake where algal blooms frequently occur. Gleotrichia can produce microcystin.
The cyanobacteria Gleotrichia shown under a microscope from a water sample collected at Ek Lake Trail, a popular recreational area in Kabetogama Lake where algal blooms frequently occur. Gleotrichia can produce microcystin.
Cyanobacterial bloom at Kabetogama Lake Visitor Center
An algal bloom forming in Kabetogama Lake near Kabetogama Visitor Center, Voyageurs National Park
An algal bloom forming in Kabetogama Lake near Kabetogama Visitor Center, Voyageurs National Park
Erie pier pond in the Saint Louis River estuary in Duluth, MN
Erie pier pond in the Saint Louis River estuary in Duluth, MN.
Erie pier pond in the Saint Louis River estuary in Duluth, MN.
Groundwater sampling along the north well transect at the Bemidji site
Groundwater sampling along the north well transect at the Bemidji site.
Groundwater sampling along the north well transect at the Bemidji site.
Collecting sediment core freezing drive shoe technology hollow auger
Collecting a sediment core with the freezing drive shoe technology on a hollow stem auger drill rig at Bemidji oil spill site.
Collecting a sediment core with the freezing drive shoe technology on a hollow stem auger drill rig at Bemidji oil spill site.
Bemidji oil spill research team group photo
Group photo of USGS Bemidi oil spill research team meeting in June of 2019 at Ruttgers Birchmont Lodge in Bemidji, MN.
Group photo of USGS Bemidi oil spill research team meeting in June of 2019 at Ruttgers Birchmont Lodge in Bemidji, MN.
Assessing soil sampling locations at the Badger Army Ammunition Plant
Scientist in field assessing soil sampling locations at the Badger Army Ammunition Plant site in Sauk County, WI.
Scientist in field assessing soil sampling locations at the Badger Army Ammunition Plant site in Sauk County, WI.
Skin lesion on smallmouth bass from Chesapeake Bay watershed.
A hyperpigmented melanistic skin lesion on a Smallmouth Bass from the Chesapeake Bay Watershed.
A hyperpigmented melanistic skin lesion on a Smallmouth Bass from the Chesapeake Bay Watershed.
Delaware River at Lambertville, NJ and New Hope, PA
Photo of the Deleware River near Lambertville, NJ and New Hope, PA.
Photo of the Deleware River near Lambertville, NJ and New Hope, PA.
Scientists reviewing instrument performance
Scientists reviewing data to determine instrument performance at the Algal Toxins Laboratory in Lawrence Kansas.
Scientists reviewing data to determine instrument performance at the Algal Toxins Laboratory in Lawrence Kansas.
Captive Japanese quail (Coturnix japonica)
Captive Japanese quail (Coturnix japonica), and wheat seeds with (brown) and without (cream) pesticide coatings used to treat insect pests.
Captive Japanese quail (Coturnix japonica), and wheat seeds with (brown) and without (cream) pesticide coatings used to treat insect pests.
American kestrel
American kestrel (Falco sparverius)
American kestrel (Falco sparverius)
American kestrel
American kestrel (Falco sparverius)
American kestrel (Falco sparverius)
American kestrel eggs
American kestrel eggs
American kestrel eggs