南水北调东线吉平渠生态修复模式与效益

南水北调与水利科技 Pub Date : 2011-01-01 DOI:10.3724/sp.j.1201.2011.01018

Hou Xin-min

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引用次数: 0

摘要

基于南水北调东线吉平渠生态修复实践和水土保持监测，对其生态修复模式和效益进行了研究。结果表明，吉平渠生态修复模式可分为防护林模式、蔬菜护坡模式和苗木基地模式3种模式。受扰土地处理率为99.7%，侵蚀面积控制率为99.6%，淤积渣灰率为100%，土壤侵蚀模数控制比为2.10，林草恢复率为99.4%，林草覆盖率为50.9%。该工程水土流失影响指数(SWII)为0.0873。结果表明，该工程具有良好的水土保持效益、生态效益和社会效益。

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Pattern and Benefit of Ecological Restoration in Jiping Canal of the East Route of South-to-North Water Diversion Project

Based on the ecological restoration practice and the soil and water conservation monitoring of the Jiping Canal of the East Route of South-to-North Water Diversion Project,the ecological restoration pattern and benefit was examined in this study.The results indicated that the ecological restoration patterns of Jiping Canal could be divided into three models:protection forest model,vegetable slope protection model and tree nursery base model.The treatment percentage of disturbed land was 99.7%;the controlled percentage of erosion area was 99.6%;the percentage of dammed slag or ashes was 100%;the controlled ratio of soil erosion modulus was 2.10;the recovery percentage of the forestry and grass was 99.4% and the percentage of the forestry and grass coverage was 50.9%.The soil erosion and water loss influence index(SWII) of the project was 0.0873.It suggests that the project have good soil and water conservation benefit,ecological benefit and social benefit.

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来源期刊

南水北调与水利科技

自引率

0.00%

发文量

4294

期刊介绍： "South-to-North Water Transfers and Water Science and Technology" was founded in 2003, mainly publishing papers on water science, water engineering, water resources, water environment, water management, etc. The journal currently has the following columns: hydrology and water resources, ecology and environment, high-quality development of follow-up projects of South-to-North Water Transfers and construction of national water network, ecological protection and high-quality development of the Yellow River Basin, flood disasters and response, "dual carbon" and water conservancy technology, efficient utilization of agricultural water and soil resources, hydrogeology and engineering geology, etc. The journal is now a Chinese core journal; a source journal for Chinese scientific and technological papers (Chinese core journals); a source journal for the Chinese Science Citation Database (CSCD); and a Chinese core academic journal (A) of RCCSE.