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Table 5 Effect of warming on the vegetation (linear mixed effect model)

From: Controlled infrared heating of an artic meadow: challenge in the vegetation establishment stage

Warming effect

Difference ± SE†

χ2 (1)

P-value

Height—1st growth period (cm)

16.5 ± 3.4

8.78

0.003**

Height—2nd growth period (cm)

–

0.23

0.63

Dry weight—1st Harvest (g)

22.3 ± 9.0

4.73

0.030*

Dry weight—2nd Harvest (g)

–

0.23

0.632

Plant cover—1st growth period (%)

–

4.90

0.09

Plant cover—2nd growth period (%)

30 ± 8.2

10.11

0.0015**

  1. †Average difference observed between control and warmed plots
  2. *, **Quick visual significance ranking