山地农业区耕地资源空间分布状况及优化利用——以湖南桑植县为例
Spatial Distribution and Optimal Utilization of Cultivated Land Resources in Mountain Agricultural Areas—Taking Sangzhi County of Hunan Province as an Example
DOI: 10.12677/AG.2019.910093, PDF,   
作者: 牟 洋, 郭建坤：云南师范大学旅游与地理科学学院，云南 昆明
关键词: 耕地资源；空间分布；桑植县；Cultivated Land Resources； Spatial Distribution； Sangzhi County
摘要: 本文以湖南省桑植县为研究对象，以ArcGIS软件为研究平台，应用叠加分析、统计分析等方法，分析了该县耕地资源在高程和坡度两个方面的空间分布特征，并采用“优势度”、“零散度”、“分散程度”等指标进行定量描述。结果表明桑植县96.71%耕地分布于高程1000米以下；25.83%的耕地分布于坡度6˚以下的缓坡区域。量化指标显示，桑植县总体耕地优势度为10.37；总体地块零散度为49.75；总体地块分散指数为44.59。本文研究结果对桑植县耕地质量评估、土地规划、土地整治等工作提供一定的参考。
Abstract: This paper takes Sangzhi County in Hunan Province as the research object, takes ArcGIS software as the research platform, applies the methods of superposition analysis and statistical analysis to analyze the spatial distribution characteristics of cultivated land resources in elevation and slope, and uses the indicators of “dominance degree”, “scatter degree” and “dispersion degree” to describe quantitatively. The results showed that 96.71% of the cultivated land in Sangzhi County was below 1000 meters in elevation, and 25.83% of the cultivated land was below 6 degrees in gentle slope area. Quantitative indicators show that the overall dominance degree of arable land in Sangzhi County is 10.37; the overall fragmentation degree is 49.75; and the overall fragmentation index is 44.59. The results of this study can provide some references for arable land quality assessment, land planning and land consolidation in Sangzhi County.
文章引用：牟洋, 郭建坤. 山地农业区耕地资源空间分布状况及优化利用——以湖南桑植县为例[J]. 地球科学前沿, 2019, 9(10): 873-883. https://doi.org/10.12677/AG.2019.910093

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