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Erschienen in: Environmental Management 1/2022

24.03.2022

Health Assessment for Mountainous Rivers Based on Dominant Functions in the Huaijiu River, Beijing, China

verfasst von: Qingxian Kong, Zhongbao Xin, Yunjie Zhao, Lishan Ran, Xiaoping Xia

Erschienen in: Environmental Management | Ausgabe 1/2022

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Abstract

Dominant functions usually vary greatly in different reaches of mountainous rivers and are influenced by different adjacent land uses. Assessing river health based on dominant functions is of great practical value to river management. To reveal the health status of different reaches in Beijing’s northern mountainous rivers, 60 investigated plots (river length 38.1 km) were surveyed in 2016 in the Huaijiu River, which is a typical mountainous river in northern Beijing, and a hierarchy-comprehensive analysis method was employed. Based on the degree of human influences, the Huaijiu River could be classified into six types, including natural reaches, near-natural reaches, artificial bank plant reaches, artificial bank ornamental plant reaches, artificial bank sparse plant dry-stone reaches and artificial bank masonry reaches. The river health assessment index system was established based on flood control, landscape, hydrology and water quality, and ecological functions. The analytic hierarchy process (AHP) was used to determine the weights of the function layer and indicator layer. The assessment results showed that healthy, subhealthy, slightly damaged, damaged and severely damaged plots accounted for 20.0%, 26.7%, 26.7%, 15.0% and 11.6% of the total plots, respectively. In summary, all plots in natural reaches, artificial bank plant reaches and artificial bank ornamental plant reaches were either healthy, subhealthy or slightly damaged. Plots in artificial bank masonry reaches were either subhealthy, slightly damaged, damaged or severely damaged, accounting for 9.1%, 27.3%, 27.3% and 36.4% of the total plots, respectively. The study proposed a method to assess mountainous river health based on dominant functions, which is a multiobjective approach and is not based solely on natural river functions. The assessment method is appropriate for the socioeconomic development and management of river basins.
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Metadaten
Titel
Health Assessment for Mountainous Rivers Based on Dominant Functions in the Huaijiu River, Beijing, China
verfasst von
Qingxian Kong
Zhongbao Xin
Yunjie Zhao
Lishan Ran
Xiaoping Xia
Publikationsdatum
24.03.2022
Verlag
Springer US
Erschienen in
Environmental Management / Ausgabe 1/2022
Print ISSN: 0364-152X
Elektronische ISSN: 1432-1009
DOI
https://doi.org/10.1007/s00267-022-01620-z

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