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[1]ZHANG Shao-wei,YANG Qin-ke,REN Zong-ping,et al.Dynamic Analysis of Land Use in Ganzhou, Jiangxi Province[J].Research of Soil and Water Conservation,2011,18(02):53-56,65.

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Dynamic Analysis of Land Use in Ganzhou, Jiangxi Province

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 18 Number of periods: 2011 02 Page number: 53-56,65 Column: Public date: 2011-04-20

Title:: Dynamic Analysis of Land Use in Ganzhou, Jiangxi Province

Author(s):: ZHANG Shao-wei¹, YANG Qin-ke^2,1, REN Zong-ping³, LIU Hong-yan³, LI Jun³, LU Guang-yong¹; 1. Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, Shaanxi 712100, China;
2. College of Urban And Environmental Science, Northwest University, Xi’an, 710069, China;
3. College of Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China

Keywords:: remote sensing; land use; terrain pattern; soil erosion

CLC:: F301.24;TP79

DOI:: -

Abstract:: Based on the remote sensing images in 1980, 1998 and 2008, land use information of Ganzhou in Jiangxi Province was firstly interpreted through method of computer-assistant classification in the paper. The information represents circumstances corresponding to the three periods: the initial stage of the Reform Opens, the end of 20th century and the present. With Digital Elevation Model (10 m resolution) applied to represent terrain, then, land use, land use change and its terrain pattern in Ganzhou during the 30 years were analyzed, meanwhile, soil erosion was also evaluated via Standards For Classification and Gradation of Soil Erosion(SL190-2007). Results show that the rapid growth of residential and garden land enhanced the land use intensity. Vegetation coverage increased quickly since large area changed from grass land to forest. This transformation was intense, and its extreme case appeared in the place where slope was around 20 degrees, i.e. low mountain and hillock. Farmland with steep slope decreased, whereas, farmland in flat ground increased accordingly. Consequently, the total quantity of cultivated land reduced a little. Fortunately, with the land use changing, the soil erosion intensity was under control, the area with the soil erosion grade of moderate and above was less than 14% in 2008.

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