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Shiro TSUYUZAKI
Plant community ecology / Environmental conservation

Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily

(Update on Jan. 23 2004. Last revision on March 11 2010)

GIS (地理情報システム)

Geographical information system

Geographic information system (GIS): A computer system, incluidng hardware and softwawre, provides tools for capturing, storing, checking, integrating, manipulating, analyzing and displaying data related to positions.

Data type

Raster data

Mesh Larch map
Fig. Basic structure of raster data Fig. Stem densities of Larix kaempferi in 1963 (left), 1973 (center), and 1990 (right), determined from aerial photographs. (Kondo & Tsuyuzaki 1999)

Most data obtained by remote sensing are recorded by raster.

Vector data

The data are given by coordinates and the attributes.

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References

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