转移流视角下甘州区土地利用动态变化及空间集聚特征
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西北师范大学 地理与环境科学学院,西北师范大学 地理与环境科学学院,西北师范大学 地理与环境科学学院,西北师范大学 地理与环境科学学院,西北师范大学 地理与环境科学学院

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F301.24

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国家自然科学基金项目(41271133)资助。


Land Use Dynamic Change and Spatial Agglomeration in Ganzhou District from the Perspective of Land Use Change Flow
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College of Geographic and Environmental Science,Northwest Normal University,College of Geographic and Environmental Science,Northwest Normal University,College of Geographic and Environmental Science,Northwest Normal University,College of Geographic and Environmental Science,Northwest Normal University,College of Geographic and Environmental Science,Northwest Normal University

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    摘要:

    以甘州区为案例探讨了转移流视角下的土地利用动态变化及空间集聚特征,以为甘州区土地利用空间布局,湿地保护与建设提供参考。研究结果表明:①甘州区自然保留地占绝对优势,耕地、林地、牧草地和水域比例较低,说明后备土地资源较为充足,具有一定发展潜力;②耕地与建设用地、牧草地之间的地类变化是该地区的主要土地利用转移地类,耕地、牧草地和自然保留地是各地类中主要的转移流;③建设用地的活跃度不断增大,2006—2011年达到3.16%,主要原因是城市用地面积扩张,来满足中心城区扩张的增长需求;④地类转移波动度变化主要表现为林地和水域之间的相互转换,波动度均达到最大值2.000 0;⑤各类土地利用变化的空间分布构成了以中心城区为中心,以不断增长的建设用地为内圈,以牧草地转为耕地这种转移地类为外圈的环形结构;⑥空间集聚表现出热点区域逐年增加,有向南扩张,沿水系展布的特征。

    Abstract:

    This paper studied land use dynamic change and its spatial agglomeration in Ganzhou District from the perspective of land use change flow in order to provide instruction for land use spatial distribution of Ganzhou District, wetland protection and construction. The results showed that the proportion of natural reserved land was predominant in Ganzhou District, however, those of cultivated land, forestry land and grassland were very low, showed a large potential in reserved land resources for development available. The land use change of cultivated land, construction land and grassland played the important roles in land use change of Ganzhou District; the main land use change flows were cultivated land, grassland and natural reserved land. The activity of construction land increased constantly to 3.16% at the end of 2011, which was attributed to urban land expansion. The volatility of land use change happened mainly in the conversion between waters and forestry land, which reached 2.0000. The spatial distribution of land use change types composed a ring structure in the study area, which consisted of built-up region as the center, continued growing construction land as the inner ring, and converted grassland into cultivated land as the outer class. The spatial agglomeration of Ganzhou District revealed that the regions with a high land change rates were growing in number, expanded to south and overspread along the town and the river. The above results show that land use dynamic change and its spstial agglomeration are supplementary information in land use aspects of Ganzhou District, can be used to develop sustainably better.

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王怡睿,石培基,张学斌,胡艳兴,谢作轮.转移流视角下甘州区土地利用动态变化及空间集聚特征[J].土壤,2016,48(4):793-802. WANG Yirui, SHI Peiji, ZHANG Xuebin, HU Yanxing, XIE Zuolun. Land Use Dynamic Change and Spatial Agglomeration in Ganzhou District from the Perspective of Land Use Change Flow[J]. Soils,2016,48(4):793-802

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历史
  • 收稿日期:2015-04-23
  • 最后修改日期:2015-05-18
  • 录用日期:2015-11-02
  • 在线发布日期: 2016-08-15
  • 出版日期: 2016-08-25