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Evaluating the success of engineering disturbed slope eco-restoration in the alpine region, southeast Qinghai-Tibet Plateau, China

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Journal of Mountain Science 2021年第11期18卷 2820-2832页

作者： HU Xu-dong GAO Jia-zhen ZHOU Ming-tao SHEN Jian ZHAO Tong-hui Key Laboratory of Geological Hazards on Three Gorges Reservoir Area China Three Gorges UniversityMinistry of EducationYichang 443002China College of Civil Engineering and Architecture China Three Gorges UniversityYichang 443002China DG Hydropower Branch Huadian Tibetan Energy Co.Ltd.Shannan 856200China Huadian Tibetan Energy Co. Ltd.Lhasa 850000China

Slope eco-restoration has always received extensive attention as a positive way to reverse ecosystem deterioration derived from human interventions.A simplified frameworkis proposed to undertake a quantitative evaluation of the engineering disturbed slope eco-restoration success in the alpine region,southeast Qinghai-Tibet *** Daguhydropower project that disturbsthe local ecosystem to some certainwas selected as the study *** August 2018,six types of slope(soil,rock,soil-rock,spoil,construction site,hardened)were served as the demonstration test for the slope eco-restoration with two years monitoring in the study ***,the topography,erosion,soil quality,and vegetation were selected as assessment indicators of the ***,combined with the weighting method and the expert panel,the slope eco-restoration quality index(SERQI)was established and applied in the six *** results suggested that the frost-resistant ecological substrate performed well in alpine region,and the SERQI value is in accordance with the actual monitoring level with spoil slope>soil slope>construction site slope>soil-rock slope>rock slope>hardened *** proposed framework could support slope eco-restoration practitioners for making a more objective and quantitative evaluation easily for the post-implementation restoration.

关键词： Slope eco-restoration restoration evaluation Ecological indicator Hydropower station Qinghai-Tibetan Plateau

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