Table 3 The effects of maximum January temperature (C), annual rainfall (mm), number of rainy days (> 0.1 mm/day), and length of hydroperiod (days) on the frequency of alleles.

From: Annual climatic fluctuations and short-term genetic variation in the eastern spadefoot toad

Effects

Estimate

Wald \({\upchi }_{1}^{2}\)

P

VI

VIF

Maximum January temperature (MJT)

0.094

0.456

0.500

0.13

3.6

Annual rainfall (AR)

0.183

16.643

< 0.001

0.41

1.2

Annual rain days (RD)

0.216

25.309

< 0.001

0.36

3.0

Hydroperiod (HP)

− 0.009

0.006

0.938

0.12

2.0

MJT * AR

0.026

0.017

0.897

  

MJT * RD

− 0.262

1.922

0.166

  

MJT * HP

0.031

0.068

0.794

  

AR * RD

0.166

0.676

0.411

  

AR * HP

0.050

0.121

0.728

  

RD * HP

− 0.009

0.004

0.952

  
  1. The four climatic variables were standardized within each pool. Significant effects are indicated in bold. Variable importance is denoted by VI and the variance inflation factor by VIF.
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