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. 2016 Oct 20;4:e2554. doi: 10.7717/peerj.2554

Table 1. Explanatory variables used to model of the distribution for S. sphenanthera.

Code Description
Bio1 Annual mean temperature
Bio2 Mean diurnal temperature range
Bio3 Isothermality (BIO2/BIO7) (* 100)
Bio4 Temperature seasonality (standard deviation *100)
Bio5 Max temperature of warmest month
Bio6 Min temperature of coldest month
Bio7 Temperature annual range (BIO5-BIO6)
Bio8 Mean temperature of wettest quarter
Bio9 Mean temperature of driest quarter
Bio10 Mean temperature of warmest quarter
Bio11 Mean temperature of coldest quarter
Bio12 Annual precipitation
Bio13 Precipitation of wettest month
Bio14 Precipitation of driest month
Bio15 Precipitation seasonality (coefficient of variation)
Bio16 Precipitation of the wettest quarter
Bio17 Precipitation of driest quarter
Bio18 Precipitation of warmest quarter
Bio19 Precipitation of coldest quarter