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Table 1 Associations between climate variables and genetic variation

From: Population genomics and climate adaptation of a C4 perennial grass, Panicum hallii (Poaceae)

Climate Variable

Description

range

Correlation with genetic distance (Mantel’s r)

No. Associated SNPs

No. SNPs in genes

No. Genes Affecteda

BioClim3

isothermality (daily/annual temperature range)

0.017–0.029

−0.04

51

32*

26

BioClim2

mean daily temperature range (degrees ×  10)

84–195

0.41**

32

10

7

BioClim6

minimum temperature of the coldest month (degrees C)

2.20–5.32

0.42*

12

12*

5

BioClim12

annual mean precipitation (mm)

220–953

0.22**

13

6

4

BioClim18

precipitation in the warmest quarter (mm)

99–271

0.20*

1

1

1

Aridity

mean annual precipitation/mean annual potential evapo-transpiration

0.128–0.706

0.24*

42

6*

4

  1. aThe number of unique genes containing the snps associated with a climate variable
  2. * p < 0.05; **p< 0.01