Table 2 Comparative means* (± SE) of physico-chemical parameters in the culture system during the exposure period

6.64 ± 0.05^a

6.69 ± 0.07^a

6.73 ± 0.07^a

6.79 ± 0.07^a

7.02 ± 0.06^b

26.57 ± 0.35^a

26.51 ± 0.26^a

26.49 ± 0.29^a

26.47 ± 0.35^a

26.43 ± 0.31^a

222.33 ± 17.30^a

231.01 ± 17.38^a

239.51 ± 17.96^a

248.82 ± 17.95^a

260.79 ± 19.14^b

4.90 ± 0.73^b

4.43 ± 0.66^b

4.00 ± 0.64^b

3.43 ± 0.59^a

3.11 ± 0.59^a

13.08 ± 2.72^a

18.90 ± 3.37^b

17.46 ± 3.10^b

17.85 ± 2.15^b

21.56 ± 3.73^c

54.67 ± 9.51^a

53.50 ± 9.49^a

65.17 ± 13.70^b

65.00 ± 13.39^b

87.83 ± 13.16^c

16.50 ± 3.45^a

23.76 ± 6.76^b

21.84 ± 6.26^b

21.01 ± 5.85^b

30.18 ± 9.22^c

126.33 ± 10.64^a

131.59 ± 11.45^b

135.95 ± 10.64^b

141.30 ± 10.63^c

146.42 ± 11.74^c

12.36 ± 2.04^b

12.23 ± 1.13^b

10.88 ± 1.89^a

10.87 ± 1.89^a

12.89 ± 1.98^b

24.25 ± 1.54^a

22.70 ± 1.49^a

23.58 ± 1.31^a

25.65 ± 1.42^a

25.72 ± 2.09^a

10.59 ± 0.45^a

10.12 ± 0.19^a

12.45 ± 1.20^c

10.39 ± 0.33^a

11.15 ± 1.26^b

0.07 ± 002^a

0.46 ± 0.13^c

0.39 ± 0.05^c

0.26 ± 0.04^b

0.34 ± 0.12^c

0.19 ± 0.03^a

0.39 ± 0.05^b

0.27 ± 0.01^b

0.36 ± 0.06^b

0.37 ± 0.08^b

0.27 ± 0.08^a

0.57 ± 0.15^b

1.05 ± 0.45^c

0.60 ± 0.17^b

0.51 ± 0.17^b