Aquatic Invasive Species (AIS)

Water is Everyone's Business, an excellent video from the Rice Creek Watershed District about AIS in Minnesota, featuring Dr. Peter Sorensen, a top aquatic invasive species scientist in the state:

Zebra Mussels

Zebra Mussels were discovered on Lake Johanna on 9-18-2018. See the full report here.

Instructions from the MN DNR about how to easily monitor for Zebra Mussels from your dock.

Slides from a presentation given at the LJIS annual meeting on 3-7-2019 about zebra mussels on Lake Johanna.


An excellent full-color AIS Identification Guide created by the MAISRC and U of M Extension (56-page PDF file)