Diversity of Woodland Communities and Plant Species along an Altitudinal Gradient in the Guancen Mountains, China

Table 2

Interset correlation coefficients of environmental variables with CCA axes in woodland communities in the Guancen Mountains, China.

Environmental variables	CCA axes
	Axis 1	Axis 2	Axis 3
Elevation	−0.962***	0.035	−0.078
Slope	0.427**	0.526***	−0.392**
Aspect	−0.606***	0.384**	0.336**
Litter thickness	−0.804***	0.239**	0.230*

* 𝑃<0.05, **𝑃<0.01, ***𝑃<0.001.