PIF breeding distribution code

Also known as

BD-g

Breeding Distribution (BD-g) ranks indicate different levels of extinction vulnerability (global) due to the spatial extent of a species’ breeding range.

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Breeding Distribution was calculated by determining the area (km2) or for coastal breeders, length (km) of linear coastline occupied by breeding-aged individuals during the breeding season, using range maps for the species in well-known field guides (e.g., Harrison 1983 National Geographic Society 1987, Howell and Webb 1995), as well as other sources (e.g., NatureServe).	The Partners in Flight Handbook on Species Assessment
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Created by spatialed Dec 20, 2007

Last edited by spatialed Dec 21, 2007

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