Roger Bales said at 12:42 a.m. on 4 March 2006 ,

Turbidity is included in the proposed suite of measurements, primarily as an indicator of erosion and sediment movement associated with runoff events. It is proposed to use autonomous, continuous measurements, which will provide relative turbidity measurements at the same location over time. Regarding macroinvertebrates, we agree that grazing can have an effect; grazing practices and history will need to be evaluated as part of the detailed site selection. Grazing can affect other factors as well.

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