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目的分析小流域的水土保持综合治理费用与效益,为小流域水土保持项目国民经济可行性评价提供借鉴。方法以丹凤县陈家沟小流域为例,分析实施水土保持措施的综合治理费用以及所带来的经济、生态和社会效益。结果在陈家沟小流域实施水土保持措施得到的经济效益为3717.55万元,生态效益为13190.13万元,社会效益显著。结论小流域治理的国民经济评价表明,项目综合效益巨大,切实可行。应将生态效益纳入水土保持综合治理项目国民经济评价中。
Objective To analyze the cost and benefit of comprehensive management of soil and water conservation in small watershed and provide references for the national economy feasibility evaluation of soil and water conservation projects in small watershed. Methods Taking Chenjiagou catchment in Danfeng County as an example, this paper analyzes the comprehensive management cost of implementing soil and water conservation measures and the economic, ecological and social benefits brought by it. Results The economic benefits of implementing soil and water conservation measures in the Chenjiagou small watershed was 37.1755 million yuan and the ecological benefit was 131.9013 million yuan, with significant social benefits. Conclusion The national economic evaluation of small watershed governance shows that the comprehensive benefits of the project are huge and feasible. The ecological benefits should be included in the national economy evaluation of the comprehensive management of soil and water conservation.