THE RS-AND GIS-BASED SPATIOTEMPORAL ANALYSIS ON LAND USE CHANGES IN FUSHUN, LIAONING PROVINCE
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摘要: 采用RS和GIS技术以及景观指数方法，对抚顺地区1998~2005年的土地景观特征及其动态变化进行了研究.结果表明：从1998~2005年灌木林和旱地面积减少，有林地和灌木林的连续性增强.在景观水平上，与1998年相比，2005年的香农多样性、香农均匀度和分维数都有增加，而优势度、蔓延度和聚集度降低，在类别水平上，灌木林、有林地的分维数有所减少，其他土地类型都在增加.有林地的聚集度增加，其他类型减少，景观整体呈破碎化趋势.Abstract: The RS and GIS technology and landscape index method are adopted to study the landscape characters and their dynamic changes of Fushun, Liaoning Province in 1998 and 2005. The results indicate that, from 1998 to 2005, the acreage of shrubbery and dry land decreased, while the continuity of woodland and shrubbery increased. In regard to the landscape level, the SHDI (Shannon-Wiener Diversity Index), SHEI (Shannon-Wiener Evenness Index) and FRAC (Fractal Dimension) of land increased, but the Dominance, Contagion and AI (Aggregation Index) of land decreased. About patch level, the FRAC of all patch types, but shrubbery and woodland, increased, and the AI of all patch types except woodland decreased. The whole landscape therefore shows a trend of fragmentation.
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Key words:
- land use /
- changing rate /
- landscape index /
- Fushun /
- Liaoning Province
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