摘要
在全面调查研究榆林沙区综合治理防护林体系基本特征、经营现状及社会经济状况的基础上,选取对榆林沙区综合治理防护林体系建设有重要影响的生态、经济、社会3类20个指标,应用层次分析法对该区域综合治理防护林体系效益进行了评价研究。结果表明,经过10 a的治理和建设,其综合效益由1995年的较差提升到了2005年的良好水平;其中生态效益由1995年的较差提升到了2005年的良好水平;经济效益则由1995年的较差提升到了2005年的优秀水平;只有社会效益变化较小,基本保持了中等水平。因此,生态环境建设仍然是榆林沙区经济建设和社会发展的首要任务。
The study of comprehensive treatment of shelterbelt system and its benefit evaluation in Yulin sandy area has been accomplished by using the analytic hierarchy process (AHP). The characteristics of the shelterbelt and its management status, as well as the social economic situation in the area were investigated. Twenty indexes in the 3 categories of ecology, economy, and situation were selected. The result indicated that ecological benefits, economic benefits and the comprehensive benefit were improved significantly from (bad) grade in 1995 to better grade in 2005, but social benefits were kept in general grade. Ecological bene- fits were improved from bad grade in 1995 to better grade in 2005. Economic benefits were improved significantly from bad grade in 1995 to best grade in 2005. However, social benefits in 2005 were kept nearly in the same stage as in 1995. So environment construction is still a primary mission of economic construction and social development in Yulin sandy area.
出处
《水土保持通报》
CSCD
北大核心
2007年第5期127-132,共6页
Bulletin of Soil and Water Conservation
基金
国家科技攻关项目"黄土高原北部连片沙地高效开发利用技术示范区"(2002BA517A04)
陕西省科技攻关项目"榆林风沙区综合治理与农林牧高效复合经营技术研究与示范"(2005K01-G18-02)
关键词
榆林沙区
综合治理
防护林体系
层次分析法
Yulin sandy area
comprehensive treatment
shelterbelt system
analytic hierarchy process
benefit evaluation