Analysis and Calculation of Ecological Function Index in the River Health Assessment
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Abstract:
River plays an important role in the aquatic ecosystem, and river health is an important indicator of social and economic development and ecological environment protection. Based on the analysis and calculation of the indexes of river ecological function, including the habitat diversity index, river water quality index, river runoff index, forest coverage index, groundwater overexploitation index, and river longitudinal continuity index, the weight of each index was determined in consideration of the effects of each index in the overall evaluation, and each index was standardized to develop the assessment index system of river health. The system was applied to the Luanhe River Basin to evaluate its ecological function based on the survey results of the basin, and the evaluation result was between normal and poor. The evaluation method considers a number of factors affecting the ecological function of the river, so the evaluation results can reflect the actual ecological functions of the river and then provide references for the development and management of river.
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