Evidence of altitudinal increase in photosynthetic capacity: gas exchange measurements at ambient and constant CO2 partial pressures | Annals of Forest Science

EDPS Account

Volume 66 / No 5 (July-August 2009)

Ann. For. Sci., 66 5 (2009) 505

Full HTML

Free Access

Table III

Statistical coefficients of linear regression for A_max, g_smax and Na versus elevation for each partial pressure treatments and for both species.

		A_max (μmol m⁻² s⁻¹)			g_smax (mmol m⁻² s⁻¹)
Species								Na (mg m⁻²)
		At ambient	At constant		At ambient	At constant
		P_CO₂	P_CO₂		P_CO₂	P_CO₂
Beech	R²	0.5114	0.9493		0.7434	0.7273		0.8230
	P -values	0.1745	0.0049 ^**		0.0601	0.0663		0.0335 ^*
Oak	R²	0.0403	0.6863		0.4241	0.4982		0.7326
	P -values	0.7028	0.0416 ^*		0.1612	0.1171		0.0642

^*

P < 0.05,

^**

P < 0.01.