A total of 117 species of mayflies, stoneflies, and caddisflies were collected from streams and lakes in Sleeping Bear Dunes National Lakeshore (SLBE) during 2014. Caddisflies provided the greatest number of species at 76, with mayflies contributing 35. Only six species of stoneflies were collected from SLBE. Several rare and new state record mayfly and caddisfly species were found in SLBE. EPT species richness was lower than expected for an area of this size, but limitations of stream size, narrow thermal regimes, and few heterotrophic streams are responsible rather than any anthropogenic disturbances. Additional sampling of lakes and interdunal swales is planned for June and July as is early spring sampling of flowing waters. Comparison of SLBE EPT richness to two measures of the regional species pool will take place after the 2015 sampling season.
|Name||INHS Technical Report 2015 (07)|