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Fragmentation (November 2009)

The purpose of the model is to represent the current extent of fragmentation of forests, woodlands and rangelands. The fragmentation model combines patch size and patch continuity with diversity of vegetation types per patch and rarity of vegetation types per patch. A patch was defined as an area of natural vegetation not bisected by roads, utilities, or rails. Patch size and continuity were calculated separately for forests, woodlands, shrublands, grasslands and riparian areas.

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