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出 处:《华南师范大学学报(自然科学版)》2016年第1期108-113,共6页Journal of South China Normal University(Natural Science Edition)
基 金:国家自然科学基金项目(41171141)
摘 要:以襄阳市核心区8个街道为例,运用GIS分析和中心地理论(K=3原则)市场区位法,估算蔬果供需的空间平衡,分析流动水果商贩合理的活动空间和布局区位,为优化其布局提供理论和实践指导.结果表明:(1)流动水果摊的分布地点具有中心地理论六边形结构的特征;(2)蔬果供需在空间上失衡,蔬果市场存在供给空白和供给不足区域;(3)蔬果市场供给空白区和供给不足区是流动水果商贩比较合理的活动空间,中心地理论K=3原则下形成的六边形顶点是其活动的最佳区位,确切地点尚需结合人口分布和道路走向.Eight districts in Xiang Yang core area are taken as sample cases, the method of market location ( cen- tral place theory "K = 3") and ArcGIS10.0 are used to estimate the balance space of supply and demand of fruitvegetable markets, and to analyze the reasonable activity space and location points of the fruit sellers. The results are : ( 1 ) the character of "Hexagon Gridding ( K = 3 ) " exists in "Central Place Theory" have clearly been seen in the activity points of mobility fruit sellers; (2) the supply and demand of fruit-vegetable is imbalanced in space, which shows in the supply blank and undersupply of the fruit-vegetable markets; (3) the supply blank and under- supply areas are the reasonable vivosphere of the mobility fruit sellers. The vertexes of the Hexagon Gridding, which are performed under the law of "central place theory ( k = 3 ) ", are the perfect location of mobility fruit sell- ers ; but when it comes to the exact points, the spatial distribution of people and towards of the roads must be con- sidered.
关 键 词:流动商贩 非正规经济 中心地理论 空间治理 襄阳市
分 类 号:K90[历史地理—人文地理学] F299[经济管理—国民经济]
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