Benthic Macroinvertebrates

Benthic Macroinvertebrates

Benthic Macroinvertebrates (BMIs) are key indicators of water quality and can be effectively used for creek, stream, river, lake and watershed assessments. BioSurvey Group biologists are experienced in sampling, sorting, and identifying BMIs from a wide variety of aquatic environments and regions. Our survey method experience includes kick nets, Hester-Dendy samplers, Hess stream bottom samplers, and sweep nets for lakes, small streams, and large rivers including diving. 

Our benthic macroinvertebrate taxonomists have over 50 years of combined experience in macroinvertebrate identification (family and genus level) for eastern aquatic species found in streams of all size, lakes, and the Chesapeake Bay. This includes mounting and identification of Chironomids and use of BMI indices of biotic integrity in multiple states such as the West Virginia GLIMPSS (Genus Level Index of Most Probable Stream Status).

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