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[1]XIE Yu-chu,GONG Jie,ZHAO Cai-xia,et al.Responses of Oasis Ecological Service Value to Land Use Change in Arid Area——A Case Study of Jinta County, Gansu Province[J].Research of Soil and Water Conservation,2012,19(02):165-170.

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Responses of Oasis Ecological Service Value to Land Use Change in Arid Area——A Case Study of Jinta County, Gansu Province

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 19 Number of periods: 2012 02 Page number: 165-170 Column: Public date: 2012-04-20

Title:: Responses of Oasis Ecological Service Value to Land Use Change in Arid Area——A Case Study of Jinta County, Gansu Province

Author(s):: XIE Yu-chu¹, GONG Jie¹, ZHAO Cai-xia¹, XIE Yao-wen²; 1. Key Laboratory of Western China’s Environmental Systems, Lanzhou University, Lanzhou 730000, China;
2. College of Earth and Enviromental Sciences, Lanzhou University, Lanzhou 730000, China

Keywords:: land use change; ecological service value; environmental response; Jinta County

CLC:: F301.24

DOI:: -

Abstract:: On the basis of land use dynamic index,model of land use degree,model of ecological service value(ESV) and investigation data of land use of Jinta County,this paper analyzed the land use change and ESV of 1990,2000 and 2008,respectely.Several conclusions had been drawn and listed as below.(1)The area of cultivated land,orchard,forest land and construction land increased,but grassland and unused land decreased from 1990 to 2008.The land use degree of Jinta County was lower,which indicated that the land use of Jinta County belonged to developing period.(2) The ESV increased from 4.723 8 billion Yuan(RMB) in 1990 to 4.822 8 billion Yuan in 2008 (+0.099 9 billion Yuan).ESV of water occupied a larger part (45.50%) in total ESV of Jinta County,and the ESV of grassland has a negative effect for the total ESV of Jinta County.(3)The service of biodiversity conservation,water conservation and waste disposal is larger than that on grain production and materials.Therefore,the rational use of soil and water resources of Jinta County and its efficient management will be the base for maintaining the ESV and sustainable development of the study area.

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