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  • 标题:LANDSCAPE ECOLOGICAL MAPPING USING LIDAR DATA FOR BIODIVERSITY EVALUATION
  • 本地全文:下载
  • 作者:M. Koarai ; T. Nakano ; P.H. Sato
  • 期刊名称:ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
  • 印刷版ISSN:2194-9042
  • 电子版ISSN:2194-9050
  • 出版年度:2010
  • 卷号:XXXVIII - Part 8
  • 页码:501-506
  • 出版社:Copernicus Publications
  • 摘要:The authors try to produce landscape ecological map for estimation of biodiversity using the airborne laser survey (LIDAR Survey) data. Study areas are Mt. Rausu of Siretoko Peninsula, Hokkaido Island as an example of World Natural Heritage Area of Japan and Mt. Dougo of Chugoku Mountain area as an example of Satoyama Region. Basic legend of landscape ecological map consists of the combination of three dimensional vegetation structure classification using detailed DSM (Digital Surface Model) and micro landform classification using detailed DEM (Digital Elevation Model). By the LIDAR Survey in summer and autumn seasons, the authors got 0.5m grid DSM and DEM in summer and 1 or 2m grid DSM and DEM in autumn. LIDER data is useful for detection of micro landform under forest area by using last pulse data in autumn season. Vegetation classification has been done using three dimensional vegetation structure detected by the difference between LIDAR data in two seasons. The legend of three dimensional vegetation structure maps consists of the combination of vegetation height, thickness of crown and difference in two seasons (deciduous single layer tree, deciduous multiple layer tree and evergreen tree). Landform classification has been done by two methods. One is automatic landform classification using 1 or 2m grid DEM, combining three categories, such as slope degree, convexity and roughness. Another is manual interpretation of 1m interval counter line produced from 1m grid DEM. The results of overlay analysis between vegetation classification and landform classification are as follows: At the Mt. Rausu, three dimensional vegetation structures are subject to site elevation rather than micro landform classification. At the Mt. Dougo, some early deciduous high thin crown trees (a kind of nut) are located in historical mining sites (Kanna-Nagashi) with following micro landform categories such as gentle slope, concave and rough texture. Now, the authors are considering new type legend of landscape ecological map of Shiretoko Peninsula and Chugoku Mountain in this research. In this paper, the authors introduce the utilization method of landscape ecological map for natural environment conservation planning
  • 关键词:Air born laser survey (LIDAR); Landscape ecology; Three dimensional vegetation structure; Automated micro ; landform classification
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