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[1]WAN Li,SUN Lihui,TAN Jing,et al.Land Use Change and Its Ecological Effects in the Suburbs of Beijing City[J].Research of Soil and Water Conservation,2015,22(05):92-99.

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Land Use Change and Its Ecological Effects in the Suburbs of Beijing City

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 22 Number of periods: 2015 05 Page number: 92-99 Column: Public date: 2015-10-28

Title:: Land Use Change and Its Ecological Effects in the Suburbs of Beijing City

Author(s):: WAN Li^1,2, SUN Lihui², TAN Jing³, TIAN Ziqiang²; 1. Key Laboratory of Resources Remote Sensing & Digital Agriculture, Ministry of Agriculture, Beijing 100081, China;
2. Laboratory of Riverine Ecological Conservation and Technology, Chinese Research Academy of Environmental Sciences, Beijing 100012, China;
3. Beijing Oriental TITAN Technology Co., Ltd., Beijing 100083, China

Keywords:: land use; ecological effects; Beijing City; geographic information system

CLC:: F301.24

DOI:: -

Abstract:: Using the data of land-use change produced from the integrating Landsat TM images of Beijing City in 1996 and 2005, we quantified the characteristics of LUCC and its ecological effects through developing regional ecological value index and transfer rate of the ecological value. The results showed that, from 1996 to 2005, the area of forestland, grassland, construction land increased while the area of cropland, water body and unused land decreased. The speed of individual land use change is in the order: construction land > water > cropland > grassland > forest > unused land. The order of land use relative change rate from big to small value is the Chaoyang District, Shunyi District, Miyun County. With the speedup of the economic development and the urbanization, the transition among the land use types in suburbs of Beijing became dramatic, among which the transition from cropland, water body to other types and from other types to construction land are the most important land use change. From 1996 to 2005, the ecological value index (EVI) in suburbs of Beijing City showed the downward trend, the improvement and degradation of ecological environment coexisted. The change of cropland, water body and construction land affected ecological environment negatively, while the increase of forestland and grassland improved the ecological environment and its ecological value index. The disparity of the regional ecological value index is still expanding in suburbs of Beijing City and the order of the regional ecological value index from big to small value is the Chaoyang District, Shunyi District, Miyun County. The area of high-EVI land decreased and the area of low-EVI land increased, which resulted in the downward trend of EVI in the study area.

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