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Review of Restoration Technology and Multi-environmental Factors Analysis of West Lake Ecosystem in Hangzhou City

Journal of Northeast Agricultural University(English Edition) 2022年第3期29卷 37-47页

作者： Wang Xin Zhao Congcong Liu Yang School of Art and Design Zhejiang Sci-Tech UniversityHangzhou 310018China

The urban lake ecosystem has the characteristics of long-term,complex and comprehensive in its ecological restoration process because it is related to social and economic activities at multiple *** in Hangzhou City,China,the West Lake is a national-level scenic spot and a world heritage cultural *** provides key ecosystem services for the city and has a significant impact on the urban ecological environment and the well-being of *** West Lake has undergone an 1800-year governance process in history,realizing the harmonious coexistence with Hangzhou *** modern times,due to the rapid development of urbanization and industrialization,the water quality of the West Lake and its freshwater ecosystem have been greatly *** 2002,Hangzhou City has achieved the overall restoration of the West Lake ecosystem through a series of measures,such as water diversion projects,dredging projects,and the West Lake comprehensive protection project,and the water environment and lakeshore landscape have been greatly *** study analyzed the restoration technology of the West Lake ecosystem from two scales of the watershed and the site and discussed the water ecological governance system of the West Lake in the past 20 *** thedata analyses of the West Lake land use,vegetation,TP,TN,NH_(3)-N,COD_(Mn) and other multi-environmental factors,the results showed that the water quality,transparency and eutrophication of the West Lake had been greatly *** the same time,the application of large-scale restoration methods and technologies also required long-term observation,and attention should be paid to the proliferation of alien species and the loss of heritage value,so as to further avoid potential ecological risks caused by ecological restoration.

关键词： urban lake aquatic ecosystem ecological restoration technology comprehensive environmental protection project

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