Study on Forestry Division Method at County Level Based on GIS with Integrated Modeling

ZHANG Chao; HUANG Qing-lin; ZHANG Xiao-hong; TU Nian-wang

Forestry division has been discussed rarely since 1995 in China. The growing interest in forestry p rovidesan opportunity to imp rove the research tools and app roaches that can help achieve a broad understanding of forestrydivision. Based on the research in Yongpan, Fujian Province of China, a framework thatmay be useful in correlativeforestry division studywas put forward: (1) The factor-system of Yongpan forestry division was established; (2) Thefactorswere extracted with the spatial analysis; (3) The forestry division method of integrated modeling at countylevel based on GIS was p rocessed. The method was taken through Principal Components Analysis, building theintegrated model, Discriminate Analysis, seeking the ideal number of divisions and eliminating the scrappypolygons. The outcome showed that the method based on GIS with integrated modeling can reflect the p resentsituation of the forestry development. The relative dominant subdivisions were distinguished reasonably, and aspecific direction in forestry developmentwas given. According to the statistics of the subdivisionspstate, the relativedominant subdivisions were showed obviously.

1. Research Institute of Forest Resource Information Techniques, CAF

2. Key Laboratory of ForestryRemote Sensing and Information Technology, State Forestry Administration, Beijing　100091, China

Received Date: 2007-10-25

Abstract: Forestry division has been discussed rarely since 1995 in China. The growing interest in forestry p rovidesan opportunity to imp rove the research tools and app roaches that can help achieve a broad understanding of forestrydivision. Based on the research in Yongpan, Fujian Province of China, a framework thatmay be useful in correlativeforestry division studywas put forward: (1) The factor-system of Yongpan forestry division was established; (2) Thefactorswere extracted with the spatial analysis; (3) The forestry division method of integrated modeling at countylevel based on GIS was p rocessed. The method was taken through Principal Components Analysis, building theintegrated model, Discriminate Analysis, seeking the ideal number of divisions and eliminating the scrappypolygons. The outcome showed that the method based on GIS with integrated modeling can reflect the p resentsituation of the forestry development. The relative dominant subdivisions were distinguished reasonably, and aspecific direction in forestry developmentwas given. According to the statistics of the subdivisionspstate, the relativedominant subdivisions were showed obviously.

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Study on Forestry Division Method at County Level Based on GIS with Integrated Modeling

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References

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通讯作者: 陈斌, bchen63@163.com

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