Table 1.

Abiotic parameters measured at each sampling site. (Al = aluminum, Ca = calcium, Cd = cadmium, Cu = copper, Fe = iron, K = potassium; Mg = magnesium, Mn = manganese, Na = sodium; Pb = lead, S = sulfur, Zn = zinc, DOC = dissolved organic carbon)

		Detection limit	Lar	Bar	Das	Tur	Opa
Trace metals (mg/L)	Fe	0.002	4.939	0.705	0.110	0.097	0.070
	Al	0.001	0.930	0.405	0.052	0.113	0.074
	Zn	0.0007	0.5574	0.2703	0.0347	0.1063	<0.0007
	Mn	0.0001	0.4421	0.2598	0.0036	0.0368	0.0019
	Cu	0.0005	0.0507	0.0243	0.0075	0.0141	0.0029
	Pb	0.003	0.003	<0.003	<0.003	<0.003	<0.003
	Cd	0.0002	0.0010	0.0007	0.0002	0.0009	<0.0002
Major cations (mg/L)	S	0.02	22.03	13.16	5.10	2.33	1.93
	Ca	0.02	9.92	8.26	7.34	2.00	7.97
	Mg	0.002	3.490	2.675	1.987	0.434	2.452
	Na	0.01	1.26	1.24	1.21	0.68	3.24
	K	0.002	0.597	0.461	0.497	0.139	0.917
Others	DOC	0.5	4.4	1.8	7.2	3.8	7.7
	pH	0.05	3.77	4.69	7.11	4.91	7.64
	Temp.	0.5	19.0	17.5	17.0	17.0	16.5