Raven Precision Ag Building 136E
Ag & Biosystems Engineering-Box 2100
Brookings, SD 57007
David supports the citizens of South Dakota in his role as the SDSU Extension Water Resources Field Specialist at the South Dakota State University campus in Brookings.
Manmade barriers can limit the movement of many aquatic species and prevent them from gaining access to critical habitats. For public entities and private individuals interested in the removal or mitigation of those barriers, both technical and financial assistance is available.
There is growing evidence that zebra mussels may be affecting the level of mercury in fish tissue by altering contaminant cycling in inland lakes. While the mechanism of this increase needs to be further studied, it likely means that fish consumption advisories will increase for those lakes invaded by zebra mussels.
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.
