LI Qiuping,LU Rucheng,LIANG Baokun,et al.Construction of Land Use Information Atlas in Guangxi Land Border[J].Research of Soil and Water Conservation,2016,23(06):210-215.
广西陆地边境地区土地利用信息图谱构建
- Title:
- Construction of Land Use Information Atlas in Guangxi Land Border
- Keywords:
- land use; information atlas; border; Guangxi
- 分类号:
- F301.24
- 摘要:
- 基于地学信息图谱理论和GIS技术，以广西陆地边境地区为例，分析了该区域2003—2013年土地利用“格局图谱”、“分类图谱”、“转移图谱”、“变化模式图谱”和“涨落势图谱”，揭示了土地利用时空格局演变规律。结果表明：（1）研究期间，土地利用结构总体上以林地和耕地为主，表明该区域以农林生产为主；耕地、林地、水域和建设用地面积持续增加，而草地和未利用地面积持续减少，草地、未利用地、林地和耕地的相互转化是边境土地利用变化的主要转移轨迹；（2）稳定型图谱占总面积的比重最大，空间上散布于整个边境地区，“林地—林地—林地”是其最大图谱演变类型，“耕地—耕地—耕地”次之；持续变化型所占比重最小，其最大图谱演变类型是“草地—林地—耕地”；（3）涨落势图谱中，新增图谱单元最多的是林地，主要来源于对草地和未利用地的开发利用；草地和未利用地萎缩明显，两者主要转换为耕地和林地。
- Abstract:
- Taking Guangxi land border as an example, based on the theory of Geo-information atlas and GIS technology, in order to reveal the spatial-temporal evolution process of land usage, we analyzed the land use ‘pattern atlas’, ‘classification atlas’,‘transfer information atlas’, ‘change model atlas’, ‘arising/declining atlas’ of this area from 2003 to 2013. The results showed that:(1) during the study period, farmland and woodland were the dominant land use types, indicating that the region focused on agriculture and forestry production; areas of farmland, woodland, water land and construction land increased constantly, however, areas of grassland and unused land decreased constantly, the mutual transformation of farmland, woodland, grassland and unused land were the main transformation trace of border land use change; (2) the spatial distribution of stable type atlas spreads the border area and its area proportion was the greatest, the ‘woodland→woodland→woodland’ was the greatest area change model, second model was ‘farmland→farmland→farmland’; the least proportion area was the constantly changing type, moreover, the greatest area change model was ‘grassland→woodland→farmland’; (3) in the arising/declining atlas, the largest expanding atlas was woodland, mainly deriving from the development of grassland and unused land; and the obviously shrinking atlas was grassland and unused land, mainly transforming into woodland and farmland.
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备注/Memo
收稿日期:2015-12-15;改回日期:2016-01-07。
基金项目:国家自然科学基金（41261108，41661109）
作者简介:李秋萍(1989-),女,广西南宁人,硕士研究生,主要研究方向为边境土地利用。E-mail:liqiuping0909@163.com
通讯作者:陆汝成(1972-),男(壮族),广西临桂人,博士,教授,硕士研究生导师,主要研究方向为土地利用变化与可持续发展、土地规划与区域发展。E-mail:lurucheng72@163.com