[1]于海洋,张飞,曹雷.精河县土地利用/覆被变化及土地生态安全研究[J].水土保持研究,2017,24(06):348-353.
　YU Haiyang,ZHANG Fei,CAO Lei.Research of Land Use/Cover Change and Land Ecological Security in Jinghe County[J].Research of Soil and Water Conservation,2017,24(06):348-353.
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精河县土地利用/覆被变化及土地生态安全研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 24 期数: 2017年06期 页码: 348-353 栏目: 出版日期: 2017-11-24
Title:
Research of Land Use/Cover Change and Land Ecological Security in Jinghe County
作者:
于海洋1,2, 张飞1,2,3, 曹雷1,2
1. 新疆大学 资源与环境科学学院, 乌鲁木齐 830046;
2. 新疆大学 绿洲生态教育部重点实验室, 乌鲁木齐 830046;
3. 新疆智慧城市与环境建模普通高校重点实验室, 乌鲁木齐 830046
Author(s):
YU Haiyang1,2, ZHANG Fei1,2,3, CAO Lei1,2
1. College of Resources and Environment Science, Xinjiang University, Urumqi 830046, China;
2. Key Laboratory of Oasis Ecology, Xinjiang University, Urumqi 830046, China;
3. Key Laboratory of Xinjiang Wisdom City and Environment Modeling, Urumqi 830046, China
关键词:
土地生态安全; 土地利用/覆被; DPSIR; 精河县
Keywords:
land ecological security; land use/cover; DPSIR; Jinghe County
分类号:
F301.24
摘要:
基于3S技术对土地利用/覆被和土地生态安全的研究，不仅可以为经济发展提供依据，同时也能为生态环境保护提供一定的借鉴。以精河县为研究区，选择2005年、2011年和2014年3期Landsat遥感影像数据，利用RS和GIS技术对精河县的土地利用/覆被进行了定量的提取，结合近10年社会经济数据，构建精河县"驱动力-压力-状态-影响-响应"（Driving force-Pressure-State-Impact-Response，D-P-S-I-R）评价指标体系，对精河县土地利用/覆被与土地生态安全变化进行分析。结果表明：（1）2005-2014年，精河县土地生态安全状况先恶化后改善，总体向好的方面转变，但其分布格局极不平衡；（2）水体、耕地和林草地是精河县土地生态安全指数较高的地类；（3）精河县大部分地区处于临界安全水平，精河县土地生态安全状况亟待改善。
Abstract:
Based on 3S technology, research for industry structure and land use/over can not only provide the basis for economic development, but also provide a reference for the ecological and environmental protection. The Jinghe County was selected as an example for the study, and the Landsat images of 2005, 2011 and 2014 were selected as remote sensing data. RS and GIS technology were used to extract land use/cover data of Jinghe County, and near 10 a social-economical data were combined to construct the Driving force-Pressure-State-Impact-Response (D-P-S-I-R) land ecological security evaluation model in Jinghe. Entropy weight method was used to determine the index weights. Then, the land use/cover and land ecological security changes in Jinghe County were analyzed. The results show that:(1) between 2005 and 2014, the deteriorated land ecological security situation had been improved in Jinghe County, the land ecological security distribution pattern was not unequal; (2) the high value of land ecological security index was water body, farmland, and grassland; (3) many areas in Jinghe County are at the critical security level. The land ecological security of Jinghe County needs to be improved urgently.

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备注/Memo

收稿日期:2016-08-24;改回日期:2016-11-10。
基金项目:自治区青年科技创新人才培养工程项目（2013731002）；国家自然科学基金（41361045，41130531）；新疆绿洲生态（教育部省部共建）重点实验室开放课题项目（XJDX0201-2012-01）
作者简介:于海洋(1992-),男,河南周口人,硕士研究生,干旱区生态环境遥感应用研究。E-mail:yuhaiyang6668@163.com
通讯作者:张飞(1980-),男,陕西凤阳人,副教授,博士,干旱区生态环境遥感应用研究。E-mail:zhangfei3S@163.com

更新日期/Last Update: 1900-01-01