. Bulletin of the British Ornithologists' Club. A. TiKcuscnJ Pcrci et al. 190 Bull. 2003 123A from Mexico. Modelling the ecological requirements of the species using GARP (StockweU & Noble 1992, Stockwell 1999, Stockwell & Peters 1999, Peterson etal. 2002b). a map of potential distributional areas for the species can be developed (Fig. 1). Although this map is very general, and probably overly inclusive given a possible connection with stands of bamboo, it provides a useful first step in outlining areas for search and inventory for the species in field efforts. In this particula
. Bulletin of the British Ornithologists' Club. A. TiKcuscnJ Pcrci et al. 190 Bull. 2003 123A from Mexico. Modelling the ecological requirements of the species using GARP (StockweU & Noble 1992, Stockwell 1999, Stockwell & Peters 1999, Peterson etal. 2002b). a map of potential distributional areas for the species can be developed (Fig. 1). Although this map is very general, and probably overly inclusive given a possible connection with stands of bamboo, it provides a useful first step in outlining areas for search and inventory for the species in field efforts. In this particular case, a recent record (G. Escalona-Segura unpubl. data.) coincided exactly with one predicted potential distributional area (see arrow, Fig. 1). Using better-known species, these predictive methodologies have been put to more rigorous, statistical tests (Peterson et al. 2002b), providing convincing evidence that distributional models can be developed for many rare and poorly-known species. Conservation prioritisation Once the possibility exists of predicting geographic distributions of species with precision, a clear next step is that of predicting distributions of suites of species of. Figure 1. Distributional prediction (grey shading) for Slaty Finches Haplospiza rustica in Mexico based on two known specimen localities (black stars), showing third site discovered in 1995 (arrow).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original British Ornithologists' Club. London : British Ornithologists' Club
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