Table 1 in Taxonomic revision of the southern hemisphere pygmy forget-me-not group (Myosotis; Boraginaceae) based on morphological, population genetic and climate-edaphic niche modelling data

Table 1. Environmental layers trialled for niche modelling of the pygmy forget-me-not (Myosotis) species group.
LayerDescriptionSourceCorrelated layer(s) (>0.8 Pearson’s coefficient)Nine-layer modelSeven-layer modelBio 1Annual mean temperatureWorldClimElevation, Bio 5, Bio 6, Bio 10, Bio 11, Temperature++Bio 2Mean diurnal range (mean of monthly temperature (max temp–min temp))WorldClimBio 4, Bio 7++Bio 3Isothermality (Bio 2/Bio 7) (×100)WorldClim++Bio 4Temperature seasonality (s.d. × 100)WorldClimBio 2Bio 5Maximum temperature of warmest monthWorldClimBio 1Bio 6Minimum temperature of coldest monthWorldClimBio 1Bio 7Temperature annual range (Bio 5–Bio 6)WorldClimBio 2Bio 8Mean temperature of wettest quarterWorldClim++Bio 9Mean temperature of driest quarterWorldClim++Bio 10Mean temperature of warmest quarterWorldClimBio 1Bio 11Mean temperature of coldest quarterWorldClimBio 1Bio 12Annual precipitationWorldClimBio 13, Bio 14, Bio 16, Bio 17, Bio 18, Bio 19, Balance, October (negative correlation)++Bio 13Precipitation of wettest monthWorldClimBio 12Bio 14Precipitation of driest monthWorldClimBio 12Bio 15Precipitation seasonality (coefficient of variation)WorldClim++Bio 16Precipitation of wettest quarterWorldClimBio 12Bio 17Precipitation of driest quarterWorldClimBio 12Bio 18Precipitation of warmest quarterWorldClimBio 12Bio 19Precipitation of coldest quarterWorldClimBio 12ElevationElevationWorldClimBio 1SoilSoil particle sizeLENZ+SlopeMaximum slopeLENZ+BalanceMonthly water balance ratioLENZBio 12, OctoberTempMean annual temperatureLENZBio 1OctoberOctober vapour pressure deficitLENZBio 12, BalanceWinterMean winter solar radiationLENZCalciumExchangeable calciumLENZPhosAcid soluble phosphorousLENZChemChemical limitations to plant growthLENZWaterAnnual water deficitLENZAgeSoil ageLENZAnnualMean annual solar radiationLENZDrainSoil drainageLENZ
When layers were found to be correlated, only one of the correlated layers was retained. A plus sign (+) indicates the layer was included in that dataset.