Land Use/Land Cover Change and Its Environmental Effects in Wuhan City

  • 1. School of Resource and Environmental Science, Wuhan University, Wuhan, Hubei 430079, China;
    2. Key Laboratory of Geographic Information System, Wuhan University, Wuhan, Hubei 430079, China;
    3. School of Frontier Science, University of Tokyo, Kashiwa, Chiba, Japan 277-8563

Received date: 2010-10-21

  Revised date: 2011-03-25

  Online published: 1997-10-20


As land use/cover change (LUCC) has been recognized as a key element of global environmental change, it draws increasing attention of researchers concerned with environmental and socio-economic well-being. Land use/cover is an important process which is widespread and accelerating. However, traditional analysis of LUCC is not sufficient to provide systematic signals of ecological environment change caused by LUCC. This paper analyzes the details of the matrix to compute the quantity, allocation, and dominant signals of land use/cover (LUCC), based on which the eco-environmental quality is evaluated. With the interpretation results of the Landsat TM 5 image of Wuhan City in 1996 and 2006, this study applies statistical and GIS analysis to the land use/cover change in Wuhan City. The effects of land use transformation has on the change of eco-environmental quality are assessed by calculating the regional eco-environmental indices and the contribution proportions of land use transformation types. The results show that: 1) The area of cropland, grassland and unused land decreased while the area of forest, water and construction land increased in Wuhan city from 1996 to 2006. 2) The regional eco-environmental quality index increased from 0.451 in 1996 to 0.468 in 2006. The overall quality of regional eco-environment has maintained relatively stable with a rising trend. However, the trends of both improvement and degradation in eco-environment coexisted. 3) It should also be noted that the local ecological environment presents a negative evolution, and the urbanization could be the most profound factor to influence the regional land use/cover change.

Cite this article

ZHANG Yang, LIU Yan-Fang, GU Jian-Ping, DING Qing . Land Use/Land Cover Change and Its Environmental Effects in Wuhan City[J]. SCIENTIA GEOGRAPHICA SINICA, 2011 , 31(10) : 1280 -1285 . DOI: 10.13249/j.cnki.sgs.2011.010.1280


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