基于能值理论的土地整理生态效益评价方法与实证研究  

Eco-Benefit Evaluation of Land Consolidation Based on Emergy Theory——Method and Case Study

作　　者：常春[1] 金晓斌[1] 展炜[1] 周寅康[1] 

机构地区：[1]南京大学国土资源与旅游学系,南京210093

出　　处：《河南科学》2009年第7期857-861,共5页Henan Science

基　　金：国家科技支撑计划"中部粮食主产区增量经济型土地整理技术开发"(2008BAB38B06)

摘　　要：在对传统生态效益评价方法综合评价的基础上,结合能值理论和生态系统服务理论,提出基于能值分析的土地整理生态效益评价步骤、因子选取和测算方法,并进行实证.研究结果表明,江苏省丹阳市吕城镇运河片项目区通过土地整理增强了农产品的生产、大气调节、土壤形成、营养物循环及涵养水源等5种生态效益,系统无偿能值投入导致产品和服务的能值量增加了3.10×1018sej/a,相应的能值货币价值为1.03×106│S/a.On the basis of reviewing traditional methods of eco-benefit evaluation, combining the emergy theory and the ecological services theory,the article applyed the emergy analysis to evaluate the coo-benefit of the land consolidation, proposed the evaluation steps,the principles of evaluation factors selection,and the calculation methods. In the case study on the land consolidation project in Yunhe district, Lticheng town, Danyang county, Jiangsu province, five factors were selected, including the farm product, air ingredients controlling, soil development, nutrients circulation and water storage. The sum of these factors＇ eco-benefit was3.10×10^18sej/a, its corresponding value was 1.03×10^6 $/a.

关 键 词：土地整理 生态效益评价 能值 生态服务 丹阳市 

分 类 号：F303.3[经济管理—产业经济]