Table 6

Leaf metal concentrations and Repeated Mesured ANOVA F for each metal at each time period at Calvi site.

N
 Cr
 Ni
 Cu
 Zn
 Cd
 Pb
1988
 5
 0.9 ± 0.2
 0 ± 0
 6.7 ± 2.2 a
 88.0 ± 6.8 ab
 4.0 ± 1.3
 8.6 ± 7.5 a
1993
 12
 2.4 ± 2.0
 20.5 ± 14.6
 9.3 ± 2.0 a
 120.7 ± 42.0 b
 3.2 ± 1.3
 7.7 ± 4.5 a
1994
 8
 0.9 ± 0.9
 29.4 ± 3.9
 4.4 ± 2.2 a
 123.8 ± 47.5 ab
 2.6 ± 0.4
 4.9 ± 2.1 ab
2003
 5
 1.1 ± 0.2
 18.9 ± 2.6
 21.7 ± 4.2 c
 65.8 ± 8.4 a
 2.3 ± 0.3
 2.0 ± 0.8 b
2004
 5
 1.0 ± 0
 22.6 ± 4.6
 15.3 ± 2.1 b
 102.1 ± 11.9 ab
 2.9 ± 0.4
 3.0 ± 0.9 ab








Log transformed
No
 No
 No
 No
 No
 Yes
Sum squares
8.254
 809.625
 928.829
 11543.927
 8.462
 6.521
Mean square
2.063
 269.875
 232.207
 2885.982
 2.115
 1.630
df
4
 4
 4
 4
 4
 4
ANOVA F
2.391
 2.592
 47.482*
 3.246*
 2.175
 4.200*

Leaf concentrations were expressed in μg gDW-1 (mean ± standard deviation). Where a significant difference was found, a Tukey's HSD post hoc comparison was used to determine where the differences lay and similar samples were marked with the same letter. N corresponds to the number of samples and significantly different samples are marked as * (p < 0.05).

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