CHEN Guo-qiang,CHEN Peng.Analysis on the Dynamic Change and Ecological Effect of Land Use in Bay-type City[J].Research of Soil and Water Conservation,2008,15(03):26-30.
海湾型城市土地利用动态演变及其生态环境效应研究
- Title:
- Analysis on the Dynamic Change and Ecological Effect of Land Use in Bay-type City
- Keywords:
- bay-type city; land use; dynamic change; ecological effect
- 分类号:
- F301.24;X171.1
- 摘要:
- 土地利用变化研究可为区域可持续发展和生态城市建设提供参考。以厦门市1989年，1997年Landsat TM影像以及2004年SPOT影像解译数据基本信息源，结合遥感影像和区域特点，确定土地利用分类系统。在遥感和GIS技术支持下，建立厦门土地利用数据库，并处理各种属性数据、图形数据等信息。对厦门市过去16 a间土地利用的空间分布及其动态变化进行研究，并分析土地利用变化导致的生态环境影响。研究结果表明：厦门土地利用动态表现为耕地面积大量减少，而村镇及建设用地等持续增大，并趋向集中。目前厦门土地利用类型中以林业和耕地为主，其中同安和翔安区拥有丰富的后备土地资源。土地利用变化导致了诸如生物栖息地的丧失、生物多样性破坏、生态环境质量退化、环境容量降低等生态效应。
- Abstract:
- The research of land use change can provide the references for the sustainable development and the ecocity development.In this paper,two Landsat TM images (respectively obtained in 1989 and 1997) and SPOT5 image (in 2004) were interpreted as basic information sources.With the support of remote sensing and GIS techniques,the classification system of land types of the region was established.Spatial information database of land use was created,and the basic data including properties and graph were analyzed.The spatial distribution and dynamic changes of land use over the past 16 years were studied,meanwhile the ecological effects of land use change are analyzed.The results show that the land use in Xiamen city has been obviously changed from 1989 to 2004,the cultivated land seriously decreased,while the settlement and construction land expanded all the time,and their patches have been congregating.At present the main land types are dominated by farmland and woodland,there is plenty of reserve land resources of wetland in Tong’an and Xiang’an district.The land use change has caused distinct ecological effects,such as habitat worsening,biodiversity decreasing,environmental quality and capacity declining etc.
参考文献/References:
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备注/Memo
收稿日期:2007-3-27。
基金项目:厦门市科技计划项目（3502Z20044015）
作者简介:陈国强（1964- ），男，福建厦门人，讲师，博士，主要从事海岸带资源环境管理研究。E-mail：cgq0420@126.com