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Table 2 Climate variables from the WorldClim website ( http://www.worldclim.org ) used for parameterizing each of 20 distribution models for the North American vaejovid scorpion Pseudouroctonus reddelli

From: Caves as microrefugia: Pleistocene phylogeography of the troglophilic North American scorpion Pseudouroctonus reddelli

(a)

Sets

WorldClim variables

 

1

Bio3, Bio8, Bio15, Bio18

 

2

Bio1, Bio2, Bio8, Bio17

 

3

Bio2, Bio5, Bio18, Bio19

 

4

Bio5, Bio6, Bio13, Bio15

 

5

Bio2, Bio8, Bio11, Bio14

(b)

Variable name

Variable definition

 

Bio1

Annual mean temperature

 

Bio2

Mean diurnal temperature range

 

Bio3

Isothermality

 

Bio5

Maximum temperature of the warmest month

 

Bio6

Minimum temperature of the coldest month

 

Bio8

Mean temperature of the wettest quarter

 

Bio11

Mean temperature of the coldest quarter

 

Bio13

Precipitation of the wettest month

 

Bio14

Precipitation of the driest month

 

Bio15

Precipitation seasonality

 

Bio17

Precipitation of the driest quarter

 

Bio18

Precipitation of the warmest quarter

 

Bio19

Precipitation of the coldest quarter

  1. (a) Variable sets used in modelling and (b) variable definitions.