LI Shu-guang,ZHOU Wei-guo,ZENG Xiang-fu.Comprehensive Management and Ecosystem Management Techniques in the Three Gorges Reservoir Area[J].Research of Soil and Water Conservation,2008,15(02):195-199.
鄂西三峡库区小流域综合治理与复合经营技术
- Title:
- Comprehensive Management and Ecosystem Management Techniques in the Three Gorges Reservoir Area
- 分类号:
- S157;X171.1
- 摘要:
- 以鄂西三峡库区小流域为单元,按因地制宜、因害设防的原则,在山顶、丘顶营造各种水土保持兼用材林带,地埂营造固土保埂经济林带,沟谷、"四旁"营造护宅、护岸、护田林网,形成点、片、带、网相互协调综合治理的防护林体系.经过综合治理复合经营之后,小流域土壤侵蚀总量为0.479万t,平均土壤侵蚀模数为1408.97t/(km2·a),土壤侵蚀量和土壤侵蚀模数均下降了41.98%,复合经营模式的地表径流平均减少40.8%～67.2%,主要经济林产量提高16.10%～24.04%.
- Abstract:
- Elegy to the Three Gorges reservoir area as a unit,in accordance with the principles of local conditions and harm security,creating various soil and water conservation and forest belt in the Peak the top,creating a solid economical forest zone and Soil Conservation,creating protecting homes.Revetment,area forest protection coordinated and integrated network management in the Gully,"all around".That forms dot,face,belt,as the shelter system.After the comprehensive management of composite business,the total of soil erosion is 0.47595 million tons.The average number of soil erosion is 1408.97 t/km2.The soil erosion and soil erosion modulus is decreased by 41.98%.the average runoff of the composite business model is reduced to 40.8%～67.2%.The output of economic forest is promoted to 16.10%～24.04%.
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备注/Memo
收稿日期:2006-4-26;改回日期:。
基金项目:国家林业局科技项目"鄂西三峡库区小流域综合治理及农林复合经营"部分内容
作者简介:黎曙光(1978- ),男,硕士,工程师,主要从事林未遗传育种和森林生态等研究.E-mail:lishug78@126.com