[1]严超,张安明,石仁蓉,等.基于土地生态安全的黔江区土地利用结构优化[J].水土保持研究,2017,24(03):270-276.
　YAN Chao,ZHANG Anming,SHI Renrong,et al.Land Utilization Structure Optimization in Qianjiang District Based on Land Ecological Security[J].Research of Soil and Water Conservation,2017,24(03):270-276.
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基于土地生态安全的黔江区土地利用结构优化

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 24 期数: 2017年03期 页码: 270-276 栏目: 出版日期: 2017-06-28
Title:
Land Utilization Structure Optimization in Qianjiang District Based on Land Ecological Security
作者:
严超1, 张安明1, 石仁蓉2, 郭欢欢3, 郭栋梁1, 荣慧芳4
1. 西南大学 地理科学学院, 重庆 400715;
2. 安徽师范大学 国土资源与旅游学院, 安徽 芜湖 241000;
3. 重庆市国土资源和房屋勘测规划院, 重庆 400020;
4. 池州学院 资源环境学院, 安徽 池州 247100
Author(s):
YAN Chao1, ZHANG Anming1, SHI Renrong2, GUO Huanhuan3, GUO Dongliang1, RONG Huifang4
1. School of Geographical Science, Southwest University, Chongqing 400715, China;
2. College of Territorial Resources and Tourism, Anhui Normal University, Wuhu, Anhui 241000, China;
3. Chongqing Land Resources and Housing Surveying & Planning Institute, Chongqing 400020, China;
4. College of Natural Resources and Environment, Chizhou University, Chizhou 247100, China
关键词:
土地利用; 结构优化; 土地生态安全; 黔江区
Keywords:
land use; structure optimization; land ecological security evaluation; Qianjiang District
分类号:
F301;X826
摘要:
通过构建黔江区土地生态安全评价指标体系，对黔江区2005—2012年土地生态安全状况进行了动态分析，在此基础上，采用灰色多目标规划模型，以综合效益最大化为目标，对黔江区土地利用结构进行优化。结果表明：（1） 黔江区土地生态安全水平由2005年的0.426 9上升到2012年的0.586 2，土地生态安全级由“较不安全”上升到“临界安全”，土地生态安全水平还有待改善，需要对土地利用结构进行优化；（2） 黔江区土地利用结构优化后，土地生态安全等级由“临界安全”级上升到“较安全”级，土地生态安全水平达到0.748 9；（3） 从优化结果看，农用地中耕地面积有所减少，园地、林地、其他农用地都有所增加，建设用地中交通水利用地和其他建设用地增幅较大，其他土地中自然保留地面积有所减少。研究结果对黔江区提高土地利用综合效益，维持土地生态系统的相对平衡和持续利用以及经济社会的可持续发展具有重要的现实意义。
Abstract:
By constructing the Qianjiang District land ecological security evaluation index system, the analysis of the land ecological security of the city from 2005 to 2012 was made according to the evaluation standards. Based on this, using the grey multi-objective programming model, with comprehensive benefit maximization as the goal, the land use structure of Qianjiang District was optimized. The results showed that: (1) Qianjiang District land ecological security level was on the rise, land ecological security composite index increased form 0.426 9 in 2005 to 0.586 2 in 2012, the security level rose from level ‘relative unsafety’ to ‘critical safety’, indicating that land ecological security level remains to be improved, and it is necessary to optimize the land use structure; (2) after optimizing land use structure, the land ecological security composite index reached up to 0.748 9, land ecological security level changed from ‘critical security’ up to ‘safer’ class; (3) from the optimization results, arable land in farmland will decrease, and area increase will also occur on woodland and garden, in construction land, land for transportation and water-control structures and other construction land will increase, in other land, the natural reservation area will decrease. The results of the study has important practical significance to improve comprehensive benefit of land use, maintain the balance of the ecosystem and sustainable utilization of land and the economic and social sustainable development.

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备注/Memo

收稿日期:2015-12-24;改回日期:2016-07-11。
基金项目:国土资源部公益性行业专项“内陆开放区土地规划和监管技术研究与示范”（201311006）；安徽省社科规划项目（AHSKQ2015D24）
作者简介:严超(1989-),男,安徽安庆人,硕士研究生,研究方向为土地利用与国土规划。E-mail:ycanqing@sina.com
通讯作者:张安明(1964-),男,重庆合川人,副教授,硕士生导师,主要从事土地利用与国土规划研究。E-mail:xszam@126.com

更新日期/Last Update: 1900-01-01