摘要
随着大庆市生产建设的深入和市区的经济发展,用地矛盾日益突出,土地生态安全面临威胁。基于P-S-R模型建立大庆市土地生态安全评价指标体系,采用均方差法计算指标权重,划分出研究区2000-2009年的生态安全等级,分析了土地生态安全变化的原因,并对促进大庆市土地生态安全建设提出相应的对策与建议。
With the depth of production and construction and the development of economy in urban,land conflicts becoming increasingly prominent and land safety facing threats.The land ecological security appraisal target system of Daqing was established based on P-S-R model.The weight of the indicator was determined by the method of mean square error.The ecological safety levels were identified from 2000 to 2009.The reasons of land of the ecological security change were analyzed and the measures and suggestions were put forward to promote the construction of ecological security in Daqing.
出处
《黑龙江农业科学》
2011年第3期50-52,共3页
Heilongjiang Agricultural Sciences
关键词
大庆市
土地
生态安全
评价
Daqing city
land
ecology security
evaluation
