Invasion

Invasion Description

1st Record: J. H. Campbell Power Plant/MI/Lake Michigan (1983, USGS Nonindigenous Aquatic Species Program 2007). Populations in these lakes may be dependent on thermal effluents, and be vulnerable to power plant shutdowns.

Geographic Extent

J. H. Campbell Power Plant/MI/Lake Michigan (1983, USGS Nonindigenous Aquatic Species Program 2009, warm water effluent); Milwaukee/WI/Menomonee River (7/10/2012, USGS Nonindigneous Aquatic Species Program 2012); Upper Peninsula Power Company in Marquette/MI/Lake Superior (warm water effluent) (1995, USGS Nonindigenous Aquatic Species Program 2007); Duluth/MN/Duluth-Superior Harbor, Lake Superior (1999, Trebitz et al. 2012, near warm sewer effluent); Clark’s Island near Marseilles/IL/Illinois River(Tiemann et al. 2017. 41.31572ºN; W 88.69191ºW),