物探化探计算技术Issue(3):375-379,5.DOI:10.3969/j.issn.1001-1749.2014.03.21
基于RS和GIS的藏北申扎县生态资产供需平衡分析
The study on balance of supply and demand of ecological capital of grassland in Shenzha county of Tibet based on RS and GIS
摘要
Abstract
The balance of supply and demand of ecological capital has been becoming the important content and key link of the coordinated development between the ecosystem,environmental system and economic system.The data of grassland degra-dation in Shenzha county was get on the basis of RS technique and GIS technique.The supply and demand of ecological capital was calculate and analyze by using the ecological footprint model.The results showed that the change of supply and demand of ecological capital was caused by grassland degradation in Shenzha county.The demand of ecological capital increased 26.52 hm2/cap and the supply decreased 10.26 hm2/cap from 1989 to 2008.The demand is outstripping the supply of ecological cap-ital,and the ecological deficit and gap of ecological capital is gradually increasing.The serious degradation of grassland and de-struction of balance of supply and demand of ecological capitals have seriously affected challenges to the sustainable development of the northern Tibet plateau.关键词
草地退化/生态资产/供需平衡/申扎县Key words
grassland degradation/ecological capital/the balance of supply and demand/Shenzha county分类
信息技术与安全科学引用本文复制引用
徐瑶,何政伟..基于RS和GIS的藏北申扎县生态资产供需平衡分析[J].物探化探计算技术,2014,(3):375-379,5.基金项目
西藏自治区科技厅科技计划项目(2010(39)) ()