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Natural Resources

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Country road with a thunderstorm approaching in the distance.

Summer Severe Weather Safety

Hail, high winds, heavy rain, lightning, tornadoes. These weather phenomena are common during South Dakota summers. Stormy weather can be beautiful to see, especially in our evening skies, but it can also be dangerous or life-threatening.

several pieces of weather monitoring equipment in a green field

South Dakota Mesonet Weather Station at Eagle Butte Returns to Service

July 15, 2020

The South Dakota Mesonet at South Dakota State University has reactivated its weather station near Eagle Butte with the support of the Cheyenne River Sioux Tribe Telephone Authority.

A patty of dung with several holes in it and grass growing through it. It has been broken down by dung beetles.

Dung Beetles and Other Insects Can Help Breakdown Dung and Control Pests

This article summarizes findings related to dung beetle ecology and how dung beetles advance the breakdown of dung pats.

Mosquito with darker coloration and mosquito with white band on proboscis.

Know Your West Nile Virus Vectors

In some areas of South Dakota, recent precipitation has led to an increase in mosquito activity. To reduce the chances of contracting West Nile Virus, it is important to understand the behavior of the mosquitos capable of vectoring it.

A red angus cow with two unweaned calves attempting to suckle from it.

Alternative Calving Considerations

Structuring a calving program that best suites farm and ranch operations can be challenging. Of primary concern are: weather, labor, market timing, and animal health considerations, with weather possibly being the most volatile factor, as it ranges from challenging to catastrophic in some years.

Black insect with a white spot on the back and orange tipped legs and antennae.

A fly? A hornet? Nope, it’s a sawfly!

This spring, there have been multiple reports of people seeing large fly-like insects in their yards. These insects are sawflies, and all reports thus far have been the elm sawfly (Cimbex americana).

wildfire smoke rising in the distance over a snowy hill

Wildfire Aftermath: Beef Cattle Health Considerations

Smoke inhalation, burns and thermal injury, exertion, stress, and injuries suffered during escape can all cause longer-term effects on cattle that have survived wildfires or building fires.

grey to brown fly with large eyes and elongated mouthparts

What are Those Gigantic Flies?

As we progress later into the summer, we commonly see an increase in horse fly activity.

Two flies side-by-side. The left fly is a Western horse fly. The right fly is a deer fly.

Horse Flies and Deer Flies Becoming Abundant

The above-average precipitation this year has led to increased numbers of horse flies and deer flies across South Dakota. Widespread flooding and an overall abundance of available water has made conditions perfect for these flies.

small group of cattle swath grazing pasture

Swath Grazing: Extending the Grazing Season

One proposed way to cut fall/winter feeding costs is to extend the grazing season and allow the livestock to harvest the resource instead of relying on mechanical harvest.