基于“三生”视角的煤粮复合区土地利用功能评价
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国家自然科学基金项目“矿粮复合区耕地生态安全时空演变规律研究”(41541014);河南省高校科技创新团队支持计划(18IRTSTHN008);河南理工大学创新型科研团队资助(B2017-16)


Functional Evaluation of Land Use Based on Production-Living-Ecology View in Areas of Cropland and Coal Resources
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    [目的]以河南省新乡市赵固二矿煤粮复合区为典型案例区,对该区土地利用多功能性进行研究,为其区域功能发展提供支撑。[方法]基于研究时序统计年鉴等基础数据,从"三生"功能(生产功能、生活功能、生态功能)角度择选出符合不同子功能的15个指标因子,构建出适用于煤粮复合区的评价指标体系。运用全排列多边形综合图示法对研究区2009-2015年间土地利用功能演变进行量化评价。[结果]①全排列多边形综合图示法评价结果直观、准确、涉及面广且主观随意性低,适用于区域土地利用功能评价;②单项指标显示,2009-2015年间,各子功能的指标偏向侧重度均有所改变,但其主导障碍因子稳定不变;③7 a间,研究区均以生产功能作为区域主导功能,受区域煤炭开采影响土地集约利用综合指数以2012年为分界点总体先增加后减少,变化速率为快-缓-快。[结论]煤炭开采活动对煤粮复合区土地功能利用有重要影响,区域土地"三生"功能变化及区域土地集约利用程度与区域煤炭事业的发展变化联系紧密。

    Abstract:

    [Objective] Taking areas of cropland and coal resources as a case study to research land use function in order to provide support for the development of regional function.[Methods] From production-living-ecology aspects, 15 indexes with different function were selected to construct a suitable evaluation index system in study area. Based on the established index system, the land use function was evaluated quantitatively using entire-array-polygon indictor method from 2009 to 2015.[Results] ① The entire-array-polygon indictor method used in this study was intuitionistic, accurate, widely involved and low subjective. It could be applied to evaluate regional land use function. ② The single index showed that the indexes of each subsystem tended to change slightly, but the dominant obstacle factor remained stable in 2009-2015. ③ Within the 7 years, the production function was the regional leading function in the study area. Due to the regional impact of coal mining, cut-off point of intensive land use comprehensive index occurred in 2012, and showed an increasing trend initially and then decreased.[Conclusion] Coal mining activities have a significant impact on land use in the areas of cropland and coal resources, and the level of regional land function change and land intensive use is close related to the development and change of regional coal industry.

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王璐,张合兵,胡文智,于壮.基于“三生”视角的煤粮复合区土地利用功能评价[J].水土保持通报,2018,38(3):301-306

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  • 收稿日期:2017-10-13
  • 最后修改日期:2017-11-24
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  • 在线发布日期: 2018-07-06
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