ZHU Bin,ZHANG Xiao-lin.Analysis on Spatial Landscape Patterns and Type Classification of Land Use in Sheyang County, Jiangsu Province[J].Research of Soil and Water Conservation,2014,21(04):300-306.
江苏省射阳县土地利用景观格局及分区
- Title:
- Analysis on Spatial Landscape Patterns and Type Classification of Land Use in Sheyang County, Jiangsu Province
- Keywords:
- land use; landscape pattern; type classification; Sheyang County
- 分类号:
- F291.1
- 摘要:
- 基于江苏省射阳县2010年度全国第二次土地利用变更调查的数据，利用GIS软件平台及景观生态学方法探讨射阳县土地利用景观格局特征并划分土地利用景观类型。结果表明：不同的土地利用类型在整个县域及沿景观格局梯度表现出明显的空间特征。耕地是最大优势景观类型，城镇村及工矿用地斑块形状不规则，水域及水利设施用地斑块分布连续而集中，其他土地破碎程度较高。景观指数沿样带呈现不同的变化规律。斑块密度沿样带呈现较大幅度的变化，景观形状指数变化幅度较小，蔓延度出现微幅变化。土地利用景观存在明显的镇域空间分异。黄沙港镇、合德镇、经济开发区斑块形状不规则，海通镇、新坍镇景观破碎程度较高，合德镇、兴桥镇、洋马镇斑块呈小而集聚型分布。土地利用景观可划分为高强度、中强度、低强度、弱强度四种土地利用景观区。
- Abstract:
- Our purpose was to quantitatively analyze land use landscape pattern and divide land use landscape into several types in Sheyang. We combined GIS, gradient analysis and landscape analysis method to calculate landscape pattern indices based on the national second changing land use investigation data of Jiangsu province in 2010. Some conclusions were drawn as follows: different land use types show obvious spacial characteristics in the whole county and along the land use transect; the dominant pattern of the landscape is farm land, the shape of town, village, industrial and mining land is irregular, the distribution of waters and water facilities is continuous and concentrated, and other land has higher degree of fragmentation. Landscape metrics have different variation patterns along the land use transect. Patch density presents substantial change along the transect, landscape shape index has small variation, COHESION has slightly changed. Land use landscape pattern shows obvious spacial differentiation characteristics in different towns. In landscape shape differentiation, patches in Huangshgang, Hede and economic development zone are irregular. In landscape fragmentation differentiation, the degrees of landscape fragmentation in Haitong, Xintan are higher. In landscape agglomeration differentiation, patches in Hede, Xingqiao, Yangma are small and concentrated. Land use landscape is divided into four types. Four typical areas are high intensity land use landscape region, moderate land use landscape region, low intensity land use landscape region, weak land use landscape region.
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备注/Memo
收稿日期:2013-11-14;改回日期:2013-12-05。
基金项目:国家自然科学基金项目（41071114）；江苏省普通高校研究生科研创新计划项目（CXZZ13_0400）
作者简介:朱彬(1989-),女,安徽潜山县人,博士,主要从事城乡规划与土地利用研究。E-mail:zhubin1705139@126.com