Land use change and its ecological effects in the ecotone of Southern Xinjiang Uyghur Autonomous Region：A case study of Akesu City area

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Land use change and its ecological effects in the ecotone of Southern Xinjiang Uyghur Autonomous Region：A case study of Akesu City area

SHI Yongliang^1,2;WANG Rusong¹;ZHOU Haibo³;CHEN Liang¹

¹Research Center for Eco-Environmental Science, Chinese Academy of Sciences, Beijing 100085, China；²Construction Administer Bureau of Akesu City, Akesu 843000, China; ³College of Architecture and Urban Planning, Tongji University, Shanghai 200092, China

Received:2005-12-12 Revised:2006-03-30 Online:2006-07-10 Published:2006-07-10

Abstract

Abstract: Land use change and its ecological effects is a hotspot in the study of land use/land cover change (LUCC). Based on the TM images in 1995, 2000 and 2003, and according to the parameter proportion provided by Costanza in the evaluation of global ecosystem service value, this paper analyzed the ecological values of different land use types in the Akesu City of Xinjiang Autonomous Uyghur Region, and quantitatively assessed the ecological effects of LUCC in the rural and urban areas of the City. The results showed that the landscape fragmentation index in Akesu City was high, and near half of its cropland was instable because of water stress. During the study period, land use change improved the ecological benefits of land use, and presented a significant spatial diversity.

Key words: Pear, Pear rust, Gymnosporangium haraeanum, Resistance, Niche breadth

SHI Yongliang^1,2;WANG Rusong¹;ZHOU Haibo³;CHEN Liang¹ . Land use change and its ecological effects in the ecotone of Southern Xinjiang Uyghur Autonomous Region：A case study of Akesu City area[J]. cje.

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Land use change and its ecological effects in the ecotone of Southern Xinjiang Uyghur Autonomous Region：A case study of Akesu City area

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