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[1]DENG Wei,YANG Hua,CUI Yan-jun.Assessment of Ecological Environmental Effects on Landuse Change in Chongqing City Nearly 30 Years[J].Research of Soil and Water Conservation,2010,17(03):232-236.

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Assessment of Ecological Environmental Effects on Landuse Change in Chongqing City Nearly 30 Years

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 17 Number of periods: 2010 03 Page number: 232-236 Column: Public date: 2010-06-20

Title:: Assessment of Ecological Environmental Effects on Landuse Change in Chongqing City Nearly 30 Years

Author(s):: DENG Wei^1,2, YANG Hua^1,2, CUI Yan-jun^1,2; 1. College of Geographical Science, Chongqing Normal University, Chongqing 400047, China;
2. Municipal GIS Applied Research Key Laboratory in Chongqing Colleges and Universities, Chongqing 400047, China

Keywords:: landuse change/cover(LUCC); the value of ecosystem services; Chongqing city; dynamic degree; sensitivity index

CLC:: F301.24;X171.1

DOI:: -

Abstract:: Based on the data of 1978, 1993 and 2007 three years Landsat MSS/TM, the paper analyzes landuse/cover change of nearly former thirty years in Chongqing city. The ecosystem service value (ESV) of Chongqing city was estimated by the coefficient of the ESV lined with Chongqing city which referenced Costanza’s and Xie Gaodi’s. The results indicated that in 1978-2007, continuous decreasing trend of cultivated land was and the ESV descended as a result of the great loss of woodland and cultivated land for urban construction after Chongqing became municipality directly under the Central Government. After increased by 7.84×10⁸ Yuan in 1978-1993, the ESV of Chongqing city descended from 22.58×10⁸ Yuan in 1993 to 18.56×10⁸ Yuan in 2007, the descending ratio was 1.27%. Changes in forest ecosystem services in Chongqing city obviously impact on the value. The result is reliability because the change of the ESV’s coefficient made little influence on total ecosystem service value.

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