Table 1.

Relationships between the stated variable and elevation, as identified by linear and nonlinear regression, in the format: ax² + bx + intercept (ax² only presented if the nonlinear model was optimal)

Variable	bx	ax2	Intercept	R2	F	DF	P
Grass	84.04	− 59.71	61.95	0.19	9.63	82	< 0.001
Rush	− 28.86		4.19	0.07	6.16	83	< 0.05
Sedge	− 0.02		19.93	0.11	9.97	83	< 0.01
Fern	− 1.47		0.19	0.04	3.39	83	0.07
Non-legume herb	− 15.48		11.72	0.03	2.36	83	0.13
Legume herb	− 0.74		0.34	0.00	0.27	83	0.60
Moss	13.97	− 25.56	12.45	0.07	2.94	83	0.06
Bare ground	64.57	− 20.29	6.67	0.24	13.13	82	< 0.001
Short basal	− 8.67	6.48	0.89	0.17	8.41	82	< 0.001
Long basal	− 1.47		0.19	0.04	3.39	83	0.07
Semi-basal	− 12.64		7.12	0.05	4.05	83	< 0.05
Erect leafy	− 9.40		1.46	0.09	7.94	83	< 0.01
Cushions	13.97	− 25.56	12.45	0.07	2.94	83	0.06
Tussocks	18.59	− 52.28	73.73	0.08	3.65	82	< 0.05
Dwarf shrubs	14.50		2.59	0.08	6.05	83	< 0.05