Fig. 7. GIS data layers for the Vienansalo area, showing vector layers for roads, protection areas, the security zone (SZ), three areas of clear-cut blocks, lakes, and urban areas overlaid on a Landsat Thematic Mapper image from 1994 with an RGB (red, green, blue) composite of bands 5, 4, and 3. The Finnish area is presented here to contrast with the Vienansalo region, but is omitted from all analyses. Note the yellow clear-cut blocks that form a pattern similar to a chessboard above the brown mine/mine lake complex.

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