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Landscape heterogeneity of urban vegetation in Guangzhou.

LI Zhen, WANG Lirong and GUAN Dongsheng ( College of Earth and Environmental Sciences,Zhongshan University,Guangzhou 510275).  
Seven indexes were used to study the landscape heterogeneity of vegetation in Guangzhou City.The results show that the patch density was 11\^8 patches·km -2 and the line corridor density was 1\^87km·km\+\{-2\}.In old urban area,the vegetation landscape was characterized by small patches,heavy fragmentation,high diversity and random distribution,showing a highly heterogeneous spatial pattern, while in new urban area,the vegetation landscape was characterized by big patches and even distribution.Therefore,when the size of vegetation area was the same,the even distribution of vegetation could improve the landscape heterogeneity and make the ecological function more effective.
【Fund】: 国家自然科学基金!资助项目 (49571 0 64)
【CateGory Index】: X171.1
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