Table 4 Forward selection results of the constrained CCA and summary of the explained variation.

From: Temporal phytoremediation potential for heavy metals and bacterial abundance in drainage water

Water variable

Explains %

Contribution %

Pseudo-F

p

DO

28.5

36.5

4

0.032

N

10.8

13.9

1.6

0.214

Pb

8.5

10.9

1.3

0.298

P

12.6

16.1

2.2

0.096

Temp

10.5

13.5

2.2

0.106

Co

2.7

3.4

0.5

0.696

EC

1.6

2.1

0.3

0.816

Zn

2.8

3.6

0.4

0.766

Summary of explained variation

Total explained variation

78.00%

Axis 1 explained variation

56.61

Axis 2 explained variation

71.9

  1. The most important explanatory variables, explain % and contribution % are highlighted in bold.