近10年来长江下游土地利用变化及其生态环境效应
收稿日期: 2003-01-11
修回日期: 2003-05-06
网络出版日期: 2003-09-25
基金资助
国家重大基础科研发展项目 (G2000046801); 国家自然科学基金项目 (30100020)
Landuse Changes and Its Implication to the Ecological Consequences in Lower Yangtze Region
Received date: 2003-01-11
Revised date: 2003-05-06
Online published: 2003-09-25
Supported by
National Key Basic Research Project, No.G1998040800; National Natural Science Foundation of China, No.30100020
李晓文,方精云,朴世龙 . 近10年来长江下游土地利用变化及其生态环境效应[J]. 地理学报, 2003 , 58(5) : 659 -667 . DOI: 10.11821/xb200305003
Based on the multi-temporal remotely sensed data of TM, this research attempted to reveal the spatio-temporal trends in landuse and landcover in Lower Yangtze Region by depicting and analyzing the process and spatial heterogeneity of landuse & landcover changes in the region, especially placing emphasis on the transformation modes and spatial behavior of landuse. In order to achieve the goal, the magnitude and spatial distribution of landuse transformation from the 1988 to the 1998 were analyzed by the transformation matrixes and the spatial layouts of landuse, then changes of landuse degree and associated traits in spatial distribution were targeted by establishing and applying the landuse index. Furthermore, the spatial shifting of landuse transformation intensity was studied by conceiving and using Landuse Transformation Index. As a hot topic, the loss of cultivated land and its driving force were also included in this step, and the top ten significant forms of landuse transformation were analyzed, in particular the trends in spatial transformation according to their Important Value individually.
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