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Within this section:
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Home A Biodiversity Conservation Plan for Papua New Guinea Based on Biodiversity Trade-offs AnalysisMethods: Biodiversity inputs The data used to guide the priority area selection process can be grouped into five classes; biodiversity surrogate attributes, opportunity costs, commitments, masks and preferences (Faith et al. 2001a). PNG is in the fortunate position of having the two detailed and well-maintained data bases, PNGRIS and FIM (described in Nix et al. 2000). These contain relevant information on land uses, production potential and human population density. Both were used to extract some of the attributes employed in selecting priority areas, either as biodiversity surrogates, costs or constraints. Faith et al. (2001a) describe the derivation, based on a 10%-based target, of 1193 biodiversity "attributes" used to select priority areas. These are 608 environmental domains, 564 vegetation types, 10 species clusters and 11 rare and threatened species.
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