Table 2

Environmental variables used to produce niche-based distribution models.

Environmental variables


Annual mean temperature

Temperature seasonality (standard deviation *100)

Mean temperature of wettest quarter

Mean temperature of driest quarter

Mean temperature of warmest quarter

Mean temperature of coldest quarter

Annual precipitation

Precipitation seasonality (Coefficient of variation)

Precipitation of wettest quarter

Precipitation of driest quarter


Walker et al. BMC Evolutionary Biology 2009 9:25   doi:10.1186/1471-2148-9-25

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