Land Use/Cover Changes of“Two Lakes and One Reservoir”Region in Guiyang City Over Last 40 YearsChinese Full Text
ZHAO Wei-quan;SU Wei-ci;ZHOU Wen-long;ZHANG Fan;Institute of Mountain Resources of Guizhou Province;
Abstract: Based on the interpretation of satellite images of the"two lakes and one reservoir"in 1973,1993,2001 and 2010,using RS and GIS,the spatial database of regional land use/cover changes（LUCC）was established,and the LUCC characteristics of temporal and spatial variation over past 40 years was quantitatively analyzed;Meanwhile,the LUCC’s impact on ecological environment was discussed.The results show that:（1）Dry land,paddy field and woodland are main land use/cover types in"two lakes and one reservoir"（Hongfeng Lake,Baihua Lake and Aha Reseruior）region;（2）Compared with 1973,grassland decreased rapidly,only accounting for 1.02% of the area;construction area increased 207.93%;the forest land area increased by 13.51%;area of cultivated land（dry land,paddy field）decreased by 18.41%;the water area increased by 42.06%;（3）Cultivated land mainly transferred to the woodland and construction land,grassland transfered mainly to forest and water area,forest land mainly transfered to the construction land.
Keywords：
land use/cover changes; two lakes and one reservoir; dynamic degree; temporal and spatial variation;
- DOI：
10.13961/j.cnki.stbctb.2014.04.037
- Series：
- Subject：
- Classification Code：
F301.2
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