基于GIS和分形理论的山西屯留县土地利用空间格局变化(英文)

    Spatial pattern change of land use in Tunliu county, Shanxi Province based on GIS and fractal theory

    • 摘要: 该文以分形理论为基础,在地理信息系统技术支持下,对山西省屯留县土地利用空间格局变化进行了研究。通过对山西省屯留县土地利用数据库中空间数据的提取,运用面积-周长分形模型,分别计算出了1990年和2001年各种土地利用类型的分维数和稳定性指数。该文还引入了景观生态学中的相关指数—斑块密度指数,景观斑块数破碎化指数,斑块形状破碎化指数及景观多样性指数,并进行了定量分析,进一步揭示了屯留县土地利用空间格局变化,以期为开展区域土地整理、促进土地合理利用以及保持区域景观格局的持续发展提供参考。

       

      Abstract: Spatial pattern change of land use is an important part of land consolidation and sustainable use of land resources. Fractal theory with the advantage of spatial structure analysis offers a new tool for land use spatial pattern research. In this paper, supported by GIS to construct land use database and based on fractal theory, the fractal dimensions and persistence indexes of all land types in Tunliu county, Shanxi Province were calculated. For comprehensively understanding the spatial pattern change, some other indexes of landscape ecology were applied, and their values of each land type were also calculated. All the results can be used as references in land consolidation, which is helpful to promote reasonable land use and sustainable development of regional landscape pattern.

       

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