TANG Fu-ping.Landscape Pattern and Ecological Protection Evaluation in Urban Fringe—A Case Study on Xinbei District of Changzhou[J].Research of Soil and Water Conservation,2013,20(04):268-272.
城乡结合部土地利用景观格局及生态保护度评价——以常州市新北区为例
- Title:
- Landscape Pattern and Ecological Protection Evaluation in Urban Fringe—A Case Study on Xinbei District of Changzhou
- Keywords:
- RS/GIS; landscape pattern; ecological protection evaluation; Changzhou
- 分类号:
- F301.2
- 摘要:
- 以常州市新北区为研究对象，解译研究区遥感影像，编制土地利用景观类型图，选取斑块数、面积变异系数、形状指数、分维数、Shannon多样性指数、Shannon均匀度指数6项指标，在综合分析土地利用景观格局的基础上，从景观稳定性、景观生产力与景观受胁度三方面构建评价指标体系，评价研究区土地利用景观生态保护度。结果表明：研究区内景观异质性差异明显，春江镇的土地利用景观异质性最为显著，而河海街道的景观比较单一。从土地景观生态保护的角度出发，将全区划分为严格保护、中度保护、适度保护和轻度保护4个生态保护度级别，以期调控区内土地利用与保护的关系，优化土地利用景观格局。
- Abstract:
- The landscape in Xinbei district of Changzhou was mapped based on remote sensing images. Patch numbers, variation coefficient, shape index, fractal dimension index, Shannon’s diversity index and Shannon’s evenness index were selected to analyze the diversity of the landscape. Based on landscape heterogeneity, landscape ecological evaluation indicators were selected from the aspects of land productivity, landscape threat, and landscape stability. Landscape ecological protection of study area was evaluated. The result showed that diversity of the study area was obvious. Chunjiang town had the most significant landscape diversity; however, Hehai Street had the least. Study area was classified into 4 categories for land use ecological protection evaluation: strict, middle, moderate and mild, in order to control the relationship between land use and protection, and optimize the land use landscape pattern.
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备注/Memo
收稿日期:2012-12-14;改回日期:2013-01-14。
基金项目:国家科技支撑项目（2006BAJ05A02-4）
作者简介:汤富平(1983-),男,浙江长兴人,博士,工程师,主要研究方向为土地规划、制图与GIS应用。E-mail:tangfuping@aliyun.com