Department of Natural Resources, gave a presentation about zebra mussels and the threat they represent.  This presentation may be seen here.

Julie Bortz, DNR Biologist, gave a presentation about the Aquatic Invasive Species (AIS)-hydrilla, what it is, where it comes from, and how to identify it.  This presentation may be seen here.  

Sgt. Michael Friend, Natural Resources Police, gave a presentation covering the law and regulations regarding introducing AIS into DCL and Wake Surfing.  This presentation may be seen here.  In addition Sgt. Friend presented images of DCL showing coves restricted to wake surfing.  These images may be seen here.