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Responses of macroinvertebrate communities to small dam removals: Implications for bioassessment and restoration
January 2018 • Peter Carlson, Serena Donadi, Leonard Sandin
Abstract Small dam removals are increasing on a global scale; yet, general predictions of organism response to dam removal are constrained by heterogeneity of study designs, implementation strategies, geographies, and characteristics of dams and their removals. Macroinvertebrate data extracted from 29 studies including 34 small dam removals over a broad geographical range were re‐analysed utilizing dam removal effect sizes (a quantified change from before to after removal). Effect sizes of 10 metrics of community …