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《Journal of Anhui Agricultural Sciences》 2010-22
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Analysis of Land Uses and Landscape Pattern Changes in Coastal Area along Pearl River Estuary

LI Jing et al (Department of Food and Bioengineering,Guangdong Industry Technical College,Guangzhou 510300,Guangdong China)  
Taking advantage of remote sensing (RS) technology and geographic information system (GIS) technology to interpret the four periods’ data of remote sensing images of Pearl River Estuary in the years of 1990,1995,2000,and 2005,the changes in land use and landscape pattern of Pearl River Estuary have been analyzed with reference to land use dynamic model and quantitative method in landscape ecology.The results indicate several points as follows.①Located in the region typical of high-speed economic development,Pearl River Estuary shows noticeable changes in land types and evident spatial temporal difference.During these 15 years,the areas of cultivated land and forests have experienced dramatic decline while the land for construction purposes shows a trend of powerful increase.②On the prospect of variation,landscape metrics have indicated great differences among other landscape indices except for Area-Weighted Mean Patch Fractal Dimension especially during the period from 1990 to 1995 which experiences the most obvious changes.③On the prospect of landscape,pattern indices also indicate great changes in the landscape pattern of Pearl River Estuary from 1990 to 2005 as well as noticeable increase in the number of patches,and various landscape indices show the increase in the degree of regional landscape fragmentation and increase in diversity.
【Fund】: “十一五”国家科技支撑计划重点资助项目(2007BAC16B08);; 公益性科研所基本科研业务专项(ZX-200809-06);; 水专项(2008ZX07211-0010)
【CateGory Index】: F301.24
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