Habitat Quality Evaluation of Yongding River in Beijing Mountain Section after Ecological Rehydration

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China Rural Water and Hydropower ›› 2021 ›› (2) : 30-36.

Habitat Quality Evaluation of Yongding River in Beijing Mountain Section after Ecological Rehydration

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Abstract

The assessment of river habitat quality can provide an important basis for river ecological protection and restoration management. Combined with local ecology and environment, a river habitat quality assessment system is established by using hierarchical analysis method, which includes three habitats (channel habitat, bank habitat and riparian habitat). The river habitat quality of Beijing mountain section of the Yongding River is also assessed. The results show that the river habitat quality of the 30 sampling plots are good on the whole, with 8 sampling plots classified as “excellent”, 11 as “good”, and 11 as “moderate”. For different river reaches, the situation of overall river habitat quality and three habitats consistently show significant differences, ranking that Guanting to Zhuwo Reservoir > Zhuwo Dam to Luopoling Reservoir > Luopoling Reservoir to Sanjiadian Reservoir. Human activities, land use patterns, riparian vegetation structure and bank slope type have a significant influence on river habitat quality and water quality. This study can not only reflect the status of river habitat quality in Beijing mountain section after ecological water supply, but also provide a scientific basis for river ecological restoration and management.

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river / index system / Habitat quality assessment / Yongding River / Beijing mountain section

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. Habitat Quality Evaluation of Yongding River in Beijing Mountain Section after Ecological Rehydration. China Rural Water and Hydropower. 2021, 0(2): 30-36

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