Characterizing Stream Condition with Benthic Macroinvertebrates in Southeastern Minnesota, USA: Agriculture, Channelization, and Karst Geology Impact Lotic Habitats and Communities.

There was an obvious trend of increasing BIBI scores between upstream and downstream sites ( Figure 5 B), with all upstream sites averaging poor ratings (BIBI score < 30) and downstream sites averaging fair (BIBI score > 30) or good (score > 50) ratings.

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