Abstract: Summary Data‐rich restoration experiments offer opportunities to test the ability of bioassessment tools, such as those currently used to assess the ‘ecological status’ of waterbodies targeted by the European Water Framework Directive, to detect observed ecological changes. Minimum flow increases in four regulated reaches of the French Rhône River modified the invertebrate and fish communities in a predictable way, as detailed in other articles of this Special Issue. We tested the ability of several fish and macroinvertebrate metrics cur...
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