Journal of Agriculture ›› 2014, Vol. 4 ›› Issue (5): 19-24.
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Abstract: In order to provide theoretical basis for ecological recovery, landscape design and further precaution of secondary disaster, the authors analyzed the landscape spatial pattern characteristics in Subaohe catchment, based on the RS and GIS technical support. In the present paper, 4 kinds of spatial pattern characteristics were applied, including the patch characteristic, the heterogeneity characteristic, the fragmentation characteristic and the spatial correlation characteristic. The results showed that: the original landscape types were still dominant, but the spatial pattern was being more irregular. Micro geomorphologic landscape types produced by geological hazards had a higher degree of spatial heterogeneity and fragmentation, which intensified the instability of the landscape pattern. Furthermore, the interaction relationship of the landscape which belonged to the human disturbance area and the center part of landslide is more complicated than other areas.
CLC Number:
Q149
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http://nxxb.caass.org.cn/EN/Y2014/V4/I5/19