Assessment of Water Quality in Upstreamof Luanhe River Based on 3 Biological Indices
An investigation was conducted on the community structure of macro-benthos in the upstream of Luanhe River.Water quality was assessed based on oxygen demander percentage, botic index and Shannon-Weiner index, and conclusion can be reached that the upstream of Luanhe River suffered different degrees of pollution.Practicability and reasonability were discussed for the 3 biological indices used for water quality bio-assessment.