Table 5

Mean metal concentrations in different tissues of P. oceanica.

N

Chromium

Nickel

Copper

Zinc

Cadmium

Lead


Leaves

30

1.6 ± 1.5

22.9 ± 10.2

11.1 ± 6.5

109.3 ± 41.1

2.8 ± 0.9

5.2 ± 3.8

Scales

28

19.7 ± 12.0

7.6 ± 5.6

9.5 ± 2.8

20.7 ± 4.4

1.0 ± 0.3

11.4 ± 7.7

M-W U Z

-6.504

4.964*

0.498

6.100*

6.100*

-3.750


Leaf and dead sheath concentrations were expressed in μg gDW-1 (mean ± standard deviations) and Mann-Whitney U test Z was used for each metal. N corresponds to the number of samples and significantly different samples are marked as * (p < 0.01).

Gosselin et al. BMC Ecology 2006 6:12   doi:10.1186/1472-6785-6-12

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