Hilsenhoff Biotic Index. Getting the youth introduced to stream science today with some macroinvertebrate sampling and HBI calculations. Compiled with water quality testing performed at another station, the 9th grade students determined that this reach had “Excellent” water quality. And yes, that was a BNT fingerling that was sampled. #detroitlakes #sailsup #onlyinmn #mytruenorth #streamscience #outreach #worklife (at Sucker Creek Preserve) https://www.instagram.com/p/Bw8Z-saj9T3/?utm_source=ig_tumblr_share&igshid=18vkxn1k4lnxc










