新疆霍城县土地生态安全评价

新疆霍城县土地生态安全评价

袁林;刘志辉;李民

新疆大学资源与环境科学学院,乌鲁木齐,830046;绿洲生态教育部重点实验室,乌鲁木齐,830046;新疆大学资源与环境科学学院,乌鲁木齐,830046;绿洲生态教育部重点实验室,乌鲁木齐,830046;干旱半干旱地区可持续发展国际研究中心,乌鲁木齐,830046

收稿日期:2010-01-25 修回日期:2010-01-25 出版日期:2010-01-25 发布日期:2010-01-25

Evaluation on the Land Ecological Security of Huocheng County in Xinjiang

YUAN Lin;LIU Zhi-hui;LI Min

Received:2010-01-25 Revised:2010-01-25 Online:2010-01-25 Published:2010-01-25

摘要/Abstract

摘要： [目的]基于P-S-R模型构建霍城县土地生态安全评价指标体系.[方法]采用均方差法确定了评价指标的权重,计算了研究区1995～2005年的土地生态安全度.[结果]在这一段时期霍城县土地生态安全度变化经历了下降-上升-再下降的三个阶段.1995～2001年为下降阶段,2001～2003年上升阶段,2003～2005年再下降阶段,表明该县生态环境基础差.[结论]在分析变化原因的基础上,结合实际情况提出霍城县土地生态安全建设的对策.

Abstract: [Objective and Method]The indicator system of land ecological security were established based on the P-S-R model, the weight of the indicator was determined by the method of mean square deviation, and the land ecological security were calculated from 1995 to 2005. [Result]The result showed that the change of the land ecological security in Huocheng County had experienced three stages: decrease,increase and re-decrease. [Conclusion]On the basis of the analysis of the causes, the strategies of the construction of land ecological security in Huocheng County were brought forward.

袁林;刘志辉;李民. 新疆霍城县土地生态安全评价[J]. .

YUAN Lin;LIU Zhi-hui;LI Min. Evaluation on the Land Ecological Security of Huocheng County in Xinjiang[J]. .