Effects

Estimate

Std. Error

t-value

P-value

Functional group richness

Graminoids

−0.02

0.002

−9.465

<0.001

Forbs

0.001

0.004

0.13

0.896

Shrubs

−0.013

0.006

−2.01

0.044

Abundance of plant functional groups

Graminoids

−0.044

0.001

−60.97

<0.001

Forbs

−0.007

0.002

−3.401

0.001

Shrubs

−0.022

0.004

−6.138

<0.001