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Study on Topography Differentiation Characteristics of Spatial Distribution and Dynamic Change of Bamboo Forest

  • Fengying Guan
  • Shaohui Fan
  • Jian Liu
  • Lijuan Miao
Conference paper
Part of the Advances in Intelligent and Soft Computing book series (AINSC, volume 161)

Abstract

In order to grasp the spatial and dynamic changes of mountain bamboo resources, this study uses the 2007 forestry investigation sub-compartment diagram of Shuncang, Fujian province, two-period TM images, DEM and other data in 1998 and 2007 to extract information of bamboo forest through Remote sensing and Geographic Information technology, create spatial distribution map of bamboo forest and make overlay analysis of it with topographic factors grade map, so as to research the topography differentiation characteristics of spatial distribution and dynamic change of bamboo forest. The results show that the bamboo forest in Shuncang is mainly distributed in the semi-sunny slope and semi-cloudy slope with where are at an elevation of 1200m below with a slope of 25 degrees below, the mountain bamboo forest at the elevation of 1200m below accounts for 99.89% of the total bamboo forest area, the proportion of bamboo forest with a slope of 25 degrees below is90.39%, while the proportion of bamboo forest with a slope of 35 above is less than 3%; the proportion of bamboo forest in semi-sunny slope and semi-cloudy slope is 56.98%; for almost 20 years, the bamboo forest resources in this county are improving rapidly, increase, decrease and unchange, this three kinds of variation types trend to increase firstly and then decrease with the changes of slope direction and aspect, while with the increase of elevation, the types of increase and unchange trend to increase firstly and then decrease, the decrease type is decreasing gradually.

Keywords

Bamboo forest Remot sensing Geographic Information dynamic variation topographic impact 

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Copyright information

© Springer-Verlag GmbH Berlin Heidelberg 2012

Authors and Affiliations

  • Fengying Guan
    • 1
    • 2
  • Shaohui Fan
    • 1
    • 2
  • Jian Liu
    • 3
  • Lijuan Miao
    • 3
  1. 1.International Centre for Bamboo and RattanBeijingChina
  2. 2.Key Laboratory of Bamboo and RattanBeijingChina
  3. 3.Forestry College of Fujian Agriculture and Forestry UniversityFuzhouChina

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