Metrics used to assess hydrological stability. Score of 5, 3, 1 were assigned to each metric according to Karr (1981). Note that, by definition, transects were always “connected” to the main flow. The metric DEPTH was scored in a different way according to the sample type.
|Month||April||June, July, October||August, September|
|Water velocity (m s−1)||>0.20||≤0.20 and >0||0|
|Transect||>0.45||≤0.45 and >0.10||≤0.10|
|Microhabitat||≤0.45 and >0.10||>0.45||≤0.10|
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