Based on the analysis of the nature conditions and the basic conditions of soil-water resources and ecological environment,the necessity and the feasibility about the application and generalization of sustainable development model of Luota Ecosystem in mountain karst area of West Hunan were discussed through the demonstration of the sustainable development model of ecosystem in Luota,the generalizable demonstrational area or small drainage basin was put forward.Thereby,it shows more important significance for the practice of sustainable improving stratagem,namely water source-soil-ecology in West Hunan,the development of eco-economy,the richness,the fine circulation of social economy and environment,and the sustainable development of social economy in West Hunan.%在分析湘西自然条件、水土资源与生态环境基本条件的基础上,通过洛塔水土资源、生态环境治理的经验与技术方法--生态系统可持续发展模式示范,分析洛塔生态系统可持续发展模式在湘西岩溶石山区应用推广的必要性与可行性,提出可推广的示范区或小流域,为在湘西实施"水源·土地·生态"持续发展战略,发展生态经济,实现脱贫致富,促进社会经济、生态环境呈良性循环,推动湖南湘西地区经济社会可持续发展具有较重大的现实意义.
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