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Natural Resources

All Natural Resources Content

An aerial view of the town of Mobridge with the Missouri River in the background.

A Strategic Community-Based Survey of Water Resource Management in South Dakota

Understanding how residents value water is critical for effective resource management, and your insights can help us better understand community values and inform future strategies for sustainable water management across the state.

Swarm of mosquitoes.

West Nile Virus Update: September 10, 2025

As of September 10, 2025, the South Dakota Department of Health (SD DOH) reported 59 human cases of West Nile virus from Beadle, Bon Homme, Brookings, Brown, Charles Mix, Codington, Corson, Grant, Gregory, Hamlin, Hand, Hughes, Hutchison, Hyde, Lawrence, Lincoln, Marshall, Meade, Miner, Minnehaha, Pennington, Sanborn, Spink, and Walworth counties.

A group of brown cattle foraging in a green field.

Prussic Acid Poisoning

As the first frost date approaches, producers often have concerns about the risk of prussic acid poisoning in livestock. Certain forage plants, especially sorghums and related species are associated with an increased risk of death loss because of prussic acid poisoning.

Color-coded map of South Dakota indicating the number of classes of change in drought conditions from June 3 to September 2, 2025. For a detailed description, please call SDSU Extension at 605-688-4792.

Summer 2025 Climate Review and September Outlook

A record wet August in several locations marked the end of South Dakota’s meteorological summer. One challenge coming this fall will be determining how quickly field and crop conditions dry down to allow harvest activities to progress.

Swarm of mosquitoes.

West Nile Virus Update: September 3, 2025

As of August, the South Dakota Department of Health indicated that West Nile Virus positive mosquito pools have been detected in Beadle, Brookings, Brown, Codington, Hughes, Lincoln, and Minnehaha counties.

Left Mosquito specimen with dark coloration. Right: Mosquito specimen with white band on its proboscis.

Mosquitos to Watch for in South Dakota

After many areas in South Dakota experienced heavy rainfalls, mosquitos are now a major issue. Learn which species are most common throughout the state and which carry the highest risk for West Nile Virus.

A woman stands behind a white pickup's tailgate talking to a group of people in an open pasture

SDSU Extension range workshop offers unique educational opportunity in Rosebud

September 02, 2025

The eighth annual Rosebud Range Workshop, led by South Dakota State University Extension and partners, was held on July 16, 2025, at the Rosebud Sioux Tribal Ranch and provided participants a unique opportunity to learn about rangelands.

Aerial view of South Dakota wetlands.

Prairie Pothole Wetlands: Small Basins, Big Impact

The benefits of prairie wetlands extend far beyond wildlife. These wetlands filter pollutants and excess nutrients from agricultural and urban runoff, trap sediment, recharge groundwater, and store floodwater.

Closeup of a set M-44 device.

Private Applicator Endorsements for M-44 Devices, Fumigants, and Aerial Applications

Recent changes to South Dakota private applicator pesticide regulations have impacted the requirements to use M-44 predator-control devices, fumigants, and to apply pesticides from aerial vehicles.

A photo of two beef cattle with their heads in a typical feeder that contains golden-brown hay.

Feed Management for Efficient U.S. Livestock Systems: Introducing the National Animal Nutrition Program’s Feed Management Committee

The National Animal Nutrition Program’s Feed Management Committee brings together experts in animal science, nutrition, and natural resource management to increase awareness and use of livestock feeding management and to address conservation needs.