江西农业学报Issue(6)：106-110,5.
连云港市土地生态安全动态评价
Dynamic Evaluation of Land Ecological Security in Lianyungang City
王小丹 1王艳 2张建新 1刘培学1
作者信息
- 1. 南京大学 地理与海洋科学学院，江苏 南京 210093
- 2. 南京城开集团营销中心，江苏 南京210093
- 折叠
摘要
Abstract
According to domestic research results of land ecological security and the utilization characteristics of land resources in Lianyungang city, the paper built land ecological security assessment index system based on the "pressure -state-response"model, and the entropy weight method was used to determine the weight of each index .The land ecological security of Lianyungang city during 2000~2009 was evaluated by using weighted summation .The results showed that the comprehensive index of land eco-logical security increased from 0.4139 to 0.6069 during 2000~2009, indicating that the overall land ecological security had a rising trend.As for each subsystem, the land ecological pressure index in Lianyungang city gradually declined with fluctuation , and the land ecological pressure was constantly increasing .The land ecological security status became deteriorated .With the increase of in-put, the security situation of the response system revealed a gradual rising trend .The arable land area proportion, urbanization lev-el, power of agricultural machinery per hectare cultivated land , per capita GDP and per capita arable land area had great influence on land ecological security in Lianyungang .关键词
土地生态安全/评价/连云港市Key words
Land ecological security/Evaluation/Lianyungang分类
管理科学引用本文复制引用
王小丹,王艳,张建新,刘培学..连云港市土地生态安全动态评价[J].江西农业学报,2013,(6):106-110,5.
