基于P-S-R框架辽宁省2003年-2012年城市生态安全演变趋势研究

Evolution Tendency of Urban Ecological Security 2003 to 2012 for Liaoning Province Based on P-S-R Model

着眼于辽宁省经济发展与环境问题凸显的现状,基于压力-状态-响应(P-S-R)生态安全评价模型,选取辽宁省14个城市2003年-2012年的经济、社会与环境等25个指标数据进行生态安全综合评价,对生态安全演变趋势进行分析。结果表明:十年来辽宁省城市生态安全指数呈现整体上升趋势,生态安全综合评价指数基本与生态安全指数变化趋势相似,说明辽宁省生态安全状况正逐步改善,并且总体呈现发展趋势,辽宁省的生态安全建设取得一定进展。

From the viewpoint of current situation that economic development and environment problem exposed in Liaoning province,based on pressure- state- response( PSR) ecological security model,25 indicators,including economy,society and the environment in 14 cities of Liaoning province,were selected to complete comprehensive assessment of ecological security,then change track on ecological security was analyzed. The results showed that in recent 10 years,ecological security index in Liaoning generally showed rising trend. The comprehensive evaluation index of ecological security is similar to the ecological security index about the change trend of this. The situation of ecological security in Liaoning province is gradually improving,and the overall trend is development,the construction of ecological security of Liaoning Province has achieved some progress.