Comprehensive Benefits Evaluation of Returning Farmland to Forest in Qinba Mountainous Area in Southern Shaanxi

doi:10.11924/j.issn.1000-6850.casb16090054

Abstract

Abstract: To understand the benefits of returning farmland to forest, based on current situation of the project of returning farmland to forest in southern Shaanxi in 2001-2014, the author selected indicators with reference to domestic and foreign benefit evaluation index system and method, and established an evaluation index system of returning farmland to forest in southern Shaanxi. The author determined the weighing of the indexes by using analytic hierarchy method, and quantitatively evaluated the comprehensive benefit from ecological, economic and social aspects by utilizing the benefit evaluation model. The results showed that the benefit index curve of returning farmland to forest in three cities of southern Shaanxi had a rising trend, the effect of returning farmland to forest appeared gradually and steadily, especially since 2004. The comprehensive benefits of Hanzhong, Ankang, Shangluo showed a trend of simultaneous growth, but by the end of 2014, the highest efficiency of returning farmland was 0.6630 in Hanzhong, 0.4985 in Ankang, and 0.4260 in Shangluo. The comprehensive benefit of returning farmland to forest would mai tain a steady growth trend in southern Shaanxi in the future.

CLC Number:

F327

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