SHI Nana,QUAN Zhanjun,HAN Yu,et al.Analysis of Land Resources Carrying Capacity in Wuhai City Based on Ecological Sensitivity[J].Research of Soil and Water Conservation,2017,24(01):239-243.
基于生态敏感性评价的乌海市土地资源承载力分析
- Title:
- Analysis of Land Resources Carrying Capacity in Wuhai City Based on Ecological Sensitivity
- 分类号:
- X171.1
- 摘要:
- 土地资源承载力反映了快速城市化背景下土地资源可持续利用状况。利用GIS空间分析技术，采用多因素加权叠加法，以地形地貌、土地利用类型、土壤侵蚀、距离条件、生态敏感区5类因子进行了生态敏感性评价，并在此基础上分析了其土地资源承载力。结果表明：（1）高度敏感区、中度敏感区、低度敏感区和不敏感区所占比例分别为11.61%，25.70%，37.80%和24.80%，乌海市以不敏感区和低度敏感区为主，占总面积的62.6%。（2）土地利用在生态敏感性评价中最为敏感，区域内土地资源承载了86.03%的城镇村及工矿用地、93.18%的交通运输用地。研究结果将对乌海市可持续发展提供理论支撑。
- Abstract:
- Land resources carrying capacity reflects the sustainable utilization of land resources under the background of rapid urbanization. With the help of ArcGIS spatial analysis, using the multi-factor weighted overlay method, based on the ecological sensitivity by landform, land use, soil erosion, distance conditions and ecological areas, land resources carrying capacity was analyzed. The results showed that: (1) highly sensitive area, moderately sensitive areas, low sensitive areas and insensitive area accounted for 11.61%, 25.70%, 37.80% and 24.80%, respectively, the insensitive and low sensitive areas accounted for 62.6% in Wuhai City; (2) land use was the most sensitive in the ecological sensitivity assessment, and the land resources had the capacity of 86.03% for urban, village, industrial and mining land, and 93.18% for transportation land. The results can provide the theoretical support for the sustainable development of Wuhai City.
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备注/Memo
收稿日期:2016-01-13;改回日期:2016-03-25。
基金项目:中央级公益性科研院所基本科研业务专项“半干旱采煤塌陷区土壤养分循环过程及控制”（2013-YSKY-14）
作者简介:史娜娜(1983-),女,山东潍坊人,硕士,工程师,主要从事生态学研究。E-mail:shinn123@163.com
通讯作者:全占军(1979-),男,河北张家口人,博士,副研究员,主要从事生态环境评价研究。E-mail:quanzj@craes.org.cn