资源与产业 ›› 2021, Vol. 23 ›› Issue (6): 86-94.DOI: 10.13776/j.cnki.resourcesindustries.20210915.001

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基于GIS的乌鲁木齐市土地利用与生态环境耦合规律分析

李雪薇,王志强   

  1. (新疆农业大学 管理学院, 新疆 乌鲁木齐 830000)
  • 收稿日期:2020-12-18 修回日期:2021-02-06 出版日期:2021-12-20 发布日期:2021-12-23
  • 作者简介:李雪薇,硕士生,主要从事土地低碳利用研究。
  • 基金资助:
    国家自然科学基金(71663052)。

COUPLING RULES OF LAND USE AND ECOLOGICAL ENVIRONMENT IN URUMQI CITY BASED ON GIS

LI Xuewei, WANG Zhiqiang   

  1. (School of Management, Xinjiang Agricultural University, Urumqi 830000, China)
  • Received:2020-12-18 Revised:2021-02-06 Online:2021-12-20 Published:2021-12-23
  • About author:E-mail:1274359103@qq.com

摘要: 土地资源的利用效率影响到生态环境的变化,生态环境阈值反过来限制土地利用的强度和方向。为研究乌鲁木齐市土地利用和生态环境协调发展状况,论文选取乌鲁木齐市2005年、2010年、2015年、2018年土地利用类型指标数据和矢量图,利用ArcGIS对研究区域土地利用类型进行空间分析,结合土地利用动态度模型,得到乌鲁木齐市耕地、林地、草地、水域、建设用地和未利用地使用情况,然后建立适用于乌鲁木齐市的指标体系,并结合熵权法及耦合协调度模型对乌鲁木齐市土地利用与生态环境耦合情况进行分析,研究发现:1)乌鲁木齐市土地利用—生态环境系统先后经历了中度失调—勉强耦合—初级耦合—中级耦合—良好耦合5个阶段,最终达到良好耦合状态;2)2018年生态环境指数仅为0.795 5,滞后于土地利用指数,生态环境压力居高不下,生态涵养能力和生态治理水平仅为0.152 9和0.272 5,远低于0.37的生态环境压力。今后推动区域经济发展应兼顾土地利用水平和生态环境保护两个方面。

关键词: 土地利用, 生态环境, 耦合协调度, 乌鲁木齐

Abstract: Land utilization efficiency impacts the changes in ecological environment, and ecological environment threshold value can constrain land utilization intensity and direction. This paper, aiming at their coordination between land utilization and ecological environment in Urumqi city, selects indictor data and vector maps of 2005, 2010, 2015 and 2018 to spatially analyze land utilization via ArcGIS, and applies land utilization dynamic model to study land utilization in farmland, forest, grassland, water and construction. An index system is established appropriate for Urumqi city to study their coupling between land utilization and ecological environment in Urumqi by means of entropy and coupling coordination model. The results show that Urumqi's land utilization-ecological environment system had experienced five stages, medium off-coordinated, barely coupling, preliminary coupling, moderate coupling and finally a well coupling stage. In 2008, ecological environment indictor is 0.7955, lagging behind land utilization indictor, suggesting under a higher ecologically environmental pressure. Ecological recovery capacity and ecological governance level are only 0.1529 and 0.2725, far below the ecologically environmental pressure at 0.37. This paper provides approaches to regional economic development from land utilization level and ecologically environmental protection.

Key words: land utilization, ecological environment, coupling coordination, Urumqi city

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