陕西生态环境问题及其威胁研究  

A study on the ecological problems and their dangers in Shaanxi Province

作　　者：黄建军[1] 

机构地区：[1]西北大学环境科学研究中心,陕西西安710069

出　　处：《西北大学学报（自然科学版）》2002年第2期194-198,共5页Journal of Northwest University（Natural Science Edition）

基　　金：国家自然科学基金重点资助项目 (4 0 1310 10 )

摘　　要：通过系统分析陕西水土流失、沙质荒漠化、资源性缺水、主要生态系统生态功能降低以及生态灾害等五大生态环境问题 ,得出陕西的生态环境问题局部得到缓解 ,总趋势却是日益严重 ,造成的经济损失巨大 ,使省域生态环境受到严重威胁 ,也影响着华北平原等周边地区的生态安全。进而运用替代市场价值法等方法估算了陕西生态破坏所造成的经济损失 。Based on the systematical analysis of soil erosion, desertification, loss of water, degression of ecological function and ecological disaster in Shaanxi,it is pointed out that the ecological problems are locally controlled but become serious in the whole, which is threatening the ecological safety both of Shaanxi and peripheral area. Secondly, the economic loss caused by ecological damage is calculated initially by the methods of substitution of market value, and so on. In the end, the strategies of protecting the ecological environment are provided.

关 键 词：生态环境 问题 生态安全 经济损失 对策 陕西 水土流失 荒漠化 生态灾害 

分 类 号：X171.1[环境科学与工程—环境科学]