RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN >> 2006, Vol. 15 >> Issue (1): 112-115.

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AN ANALYSIS ON THE LANDSCAPE PATTERNS BASED ON THE GIS TECHNOLOGY IN THE UPPER MIN RIVER BASIN

YE Yan-qiong1, CHEN Guo-jie2   

  • Received:2005-03-31 Revised:2005-07-20 Online:2006-01-20
  • Contact: YE Yan-qiong

Abstract: Using GIS, the map of landscape patterns has been charted based on the land use classification with remote sensing images obtained in 2000. Landscape patterns of the upper Min River Basin have been analyzed from such point of view as the landscape's patch characters, shape, heterogeneity, and spatial distribution through the indices of the number of patches, variability coefficient, fractal dimension, isolation, fragmentation. The analysis on the ecological landscape patterns of land use indicates that grassland and forest are the main landscape types, which occupy 95.12% of the total study area and grassland is the matrix of the whole landscape because its area is the most and the connectivity is the best. With the vast land and the minority people of the Tibetan and the Qiang family in the study area fond of living together, the arable land and the residential area in the study area occur as the pattern of convergency but dispersed in fact, which lead to the value of the isolation and fragmentation of those two landscape types are very high. The distribution of landscape types has evident altitudinal zonality and the distribution order is approximately the construction area-arable land-forest-grassland-water-unused land from valley to mountaintop for the big vertical space of the height above sea level.

Key words: upper Min River Basin, landscape pattern, GIS

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