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South Dakota

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April 29, 2016

Perchlorate and Selected Metals in Water and Soil within Mount Rushmore National Memorial

Author interview on report "Perchlorate and selected metals in water and soil within Mount Rushmore National Memorial, South Dakota, 2011–15," U.S. Geological Survey Scientific Investigations Report 2016-5030. An environmental concern to water resources within Mount Rushmore National Memorial has been the annual aerial display of fireworks at the memorial for the

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Image: South Dakota Cooperative Fish and Wildlife Research Unit
March 20, 2016

South Dakota Cooperative Fish and Wildlife Research Unit

Walleye bioenergetics research at the South Dakota Coop Unit.  Ph.D. student, Mark Fincel (pictured at left) is studying the influence of gizzard shad on energetics of walleyes in Missouri River impoundments. 

Image: South Dakota Cooperative Fish and Wildlife Research Unit
March 20, 2016

South Dakota Cooperative Fish and Wildlife Research Unit

Lake sturgeon research at the South Dakota Coop Unit. Masters students are studying movement patterns and habitat of lake sturgeon in Voyageurs National Park. 

Image: South Dakota Cooperative Fish and Wildlife Research Unit
March 20, 2016

South Dakota Cooperative Fish and Wildlife Research Unit

Lake sturgeon research at the South Dakota Coop Unit. Students are studying movement patterns and habitat of lake sturgeon in Voyageurs National Park. 

Image: South Dakota Cooperative Fish and Wildlife Research Unit
March 20, 2016

South Dakota Cooperative Fish and Wildlife Research Unit

Mike Greiner, M.S. student, South Dakota Coop Unit.  Mike is studying limnology of Bureau of Reclamation Reservoirs in North Dakota.

Image: South Dakota Cooperative Fish and Wildlife Research Unit
March 20, 2016

South Dakota Cooperative Fish and Wildlife Research Unit

Trevor Selch, Ph.D. student at the South Dakota Unit is studying effects of mercury on walleye reproduction.  Dr. Steven Chipps, AUL-Fisheries, pictured at right.

Image: South Dakota Cooperative Fish and Wildlife Research Unit
March 20, 2016

South Dakota Cooperative Fish and Wildlife Research Unit

Dan James, Ph.D. Student at the South Dakota Coop Unit.  Dan is studying the effects of a nuisance diatom species on feeding and growth of brown trout in Black Hills streams. 

Collecting water-quality data in Armenia
March 2, 2016

Armenia water work

Field training on well inventory and collection of water-level data at a non-flowing well near Yeghegnavan, Armenia, near the Armenia/Turkey/Iran border. Mt. Ararat is in background.

The growth of aquaculture to raise trout, sturgeon and other cold-water fish has increased withdrawals of critical groundwater in the Ararat Basin of Armenia. The USGS is working with

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Aquaculture in Armenia
March 2, 2016

Aquaculture in Armenia

The growth of aquaculture to raise trout, sturgeon and other cold-water fish has increased withdrawals of critical groundwater in the Ararat Basin of Armenia. The USGS is working with partners, including USAID, to develop scientific tools for water-resource managers to understand and predict consequences of management decisions in Armenia.

Collecting Water Samples from a Well in Armenia
March 2, 2016

Water Sampling from Well in Armenia

Mark Anderson, Director of the USGS South Dakota Water Science Center, demonstrates how to collect a stable isotope sample from a flowing well near Sis, Armenia.

The growth of aquaculture to raise trout, sturgeon and other cold-water fish has increased withdrawals of critical groundwater in the Ararat Basin of Armenia. The USGS is working with partners, including

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Collecting Water Data Using a Pressure Gage, Armenia
March 2, 2016

Pressure gage water data collection

Field training on how to measure water level using a pressure gage for a flowing well in Sis, Armenia.

The growth of aquaculture to raise trout, sturgeon and other cold-water fish has increased withdrawals of critical groundwater in the Ararat Basin of Armenia. The USGS is working with partners, including USAID, to develop scientific tools for water-resource

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Canyon Lake
February 29, 2016

Canyon Lake February 2017

Waterfowl population on Canyon Lake in Rapid City, SD, during February 2017.