To achieve high-precision comprehensive evaluation of the ecological status of river basins,the research on the design of evaluation methods based on aquatic biological indicators is carried out.Select evaluation indicators for aquatic organisms from the perspectives of living algae and macroinvertebrates,and complete the construction of an ecological status evaluation indicator system;standardize the indicator based on the principle of"the closer it is to a natural state or the less it is disturbed by human activities,the higher the score of the indicator";using the zoning as the basic unit of the river basin,complete the three-level zoning of the ecological status of the river basin,and combine it with the comprehensive index method to obtain the comprehensive evaluation results.Through comparative experiments,it has been proven that the new evaluation method can achieve high-precision and objective evaluation of the ecological status of river basins.
aquatic biological indicatorsriver basincomprehensive evaluationcomposite index method
NETL
NSTL
万方数据
维普
