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Table 5 The main effects of processing time or cultured water sample on Microcystis aeruginosa

From: Physiological responses and algae inhibition of Pontederia cordata to simulated eutrophication and acid rain co-pollution

Main effects

Index

Chl a content (μg·L−1)

SOD activities (U·mL−1)

MDA content (μmol·L−1·FW)

Processing time (d)

1

0.37 ± 0.06b

2.64 ± 0.11c

0.45 ± 0.18b

3

0.33 ± 0.06c

2.56 ± 0.11d

0.52 ± 0.13a

5

0.30 ± 0.10d

2.66 ± 0.13b

0.31 ± 0.07c

7

0.41 ± 0.08a

2.67 ± 0.12a

0.26 ± 0.15d

Cultured water sample

E0 + pH 7.0

0.33 ± 0.05ef

2.78 ± 0.15a

0.40 ± 0.17abcd

E0 + pH 5.0

0.41 ± 0.06c

2.67 ± 0.14c

0.37 ± 0.19cd

E0 + pH 4.0

0.44 ± 0.06a

2.63 ± 0.15de

0.36 ± 0.14d

E1 + pH 7.0

0.38 ± 0.06d

2.64 ± 0.10d

0.39 ± 0.21abcd

E1 + pH 5.0

0.34 ± 0.07e

2.62 ± 0.10 fg

0.41 ± 0.15ab

E1 + pH 4.0

0.28 ± 0.06h

2.61 ± 0.07 g

0.37 ± 0.15d

E2 + pH 7.0

0.38 ± 0.04d

2.62 ± 0.08ef

0.38 ± 0.17bcd

E2 + pH 5.0

0.30 ± 0.06g

2.64 ± 0.07d

0.38 ± 0.19bcd

E2 + pH 4.0

0.24 ± 0.08i

2.64 ± 0.12d

0.42 ± 0.21a

E3 + pH 7.0

0.33 ± 0.08f

2.69 ± 0.09b

0.37 ± 0.12 cd

E3 + pH 5.0

0.38 ± 0.06d

2.58 ± 0.11h

0.38 ± 0.16bcd

E3 + pH 4.0

0.42 ± 0.07b

2.51 ± 0.11i

0.40 ± 0.23abc

  1. Results are expressed as mean of triplicate samples ± standard error. Different lowercase letters in the same column of a main effect indicate significant differences at P < 0.05