Table I.

Kinetic parameters for H₂AsO₄⁻, H₃AsO₃⁻, and H₂PO₄⁻ influx in mine site and heathland H. ericae

H. ericae Isolate	Species	Regression	Y0	A	Km	Vmax	r2	P
					mol m−3	μmol g−1 dry wt h−1
Mine	H3AsO3	Hyperbola			3.5 ± 4.6	0.86 ± 0.91	0.9736	<0.0001
Mine	H3AsO3	Linear	0.0068 ± 0.0068	0.19 ± 0.014			0.9729	<0.0001
Mine	H2AsO4	Hyperbola			0.14 ± 0.06	3.1 ± 0.5	0.9432	0.0058
Mine	H2PO4−	Hyperbola			0.055 ± 0.048	64.9 ± 13.9	0.7734	0.0209
Heathland	H3AsO3	Hyperbola			0.72 ± 0.60	0.40 ± 0.17	0.9297	0.0005
Heathland	H3AsO3	Linear	0.024 ± 0.016	0.22 ± 0.033			0.9014	0.0011
Heathland	H2AsO4	Hyperbola			0.28 ± 0.07	3.67 ± 0.37	0.9887	0.0005
Heathland	H2PO4−	Hyperbola			0.051 ± 0.017	79.12 ± 6.51	0.9571	0.0007

Figures represent kinetic parameters ± se (n = 3). P is the probability of the source term not being significant.