Table 2.

Spearman rank correlation coefficients between temperature (°C), salinity (psu), surface PAR ( $\mu$ mol photons m⁻² s⁻¹) and photo-physiological parameters.

	${\sigma }_{PSII}$	FV/FM	qN	${\tau }_{qN}$	qfast	qint	qslow	$\Delta$ ETR
Temp	0.73**	−0.55*	0.37	0.10	0.30*	−0.33*	0.06	−0.07
Sal	0.59*	0.16	0.71**	−0.23	−0.14	0.13	0.09	0.34*
PAR	0.37	−0.57**	−0.17	−0.10	0.59**	−0.55*	−0.35	0.28

Values of p < 0.05 are indicated with * and values of p << 0.01 with **. Sample number, n, is 58 in all cases.