摘要
以河北省承德市退耕还林工程为评价对象,从生态效益、经济效益和社会效益出发,采用林业行业标准(LY/T 1721-2008)和专家赋值法,对河北省承德市退耕还林工程综合效益进行了评价。结果表明:(1)承德市退耕还林工程的总生态效益为582619.09万元,生态效益主要以涵养水源和保持土壤肥力效益为主,二者占总生态效益的80.84%;(2)退耕后耕地的大面积减少导致的粮食总产量降低,2006年全市粮食总产量为108.8万t,1999年~2006年承德市农村人均纯收入都呈稳定上升趋势,变化范围为1642~2918元;(3)退耕后,承德市农林牧渔业从业人数占劳动力总数比例急剧减少,农村就业率逐渐升高,2006年恩格尔系数为36.69%;(4)承德市退耕还林工程综合效益评价结果等级为较好;生态效益、经济效益和社会效益评价结果均为较好,其中社会效益最大。
We used the forestry industry standard(LY/T 1721-2008) and expert assignment method to evaluate the comprehensive benefit of the conversion of cropland to forest project in Chengde,Hebei Province from three aspects.It showed that:(1)The total ecological benefit were 5.82×109 Yuan.The ecological benefit mainly came from water conservation and maintain soil fertility,they accounted for 80.84% of all the total ecological benefit.(2) The reduction of cultivated land resulted in the reduction of the total grain output.In 2006,the total grain output was 1.088 million,In 1999-2006,per capita net income of rural areas was steadily rising,change range was from 1642 to 2918 Yuan;(3) After the project,the percentage of the farm workers sharply reduced,and rural employment rate was increasing gradually,Engel's coefficient was 36.69% in 2006;(4) The comprehensive benefit evaluation result of the project is better.The ecological benefit,economic benefit and social benefit evaluations were good,of which the maximum was social benefits.
出处
《干旱区资源与环境》
CSSCI
CSCD
北大核心
2013年第4期47-53,共7页
Journal of Arid Land Resources and Environment
基金
国家自然科学基金(41061028)资助
关键词
退耕还林工程
综合效益
评价
承德市
conversion of cropland to forest project
comprehensive benefits evaluation
Chengde