144
Table 5.1 Correlation coefficient between metal concentration in ambient media (water and sediment) with accumulated metal in vegetative parts of Avicennia
alba
in 2013
Combination
r-value
p-value
Premonsoon
Monsoon
Postmonsoon
Premonsoon
Monsoon
Postmonsoon
Root Zn × Dissolved Zn
0.973
0.968
0.930
p < 0.01
p < 0.01
p < 0.01
Root Zn × Sediment Zn
0.931
0.781
0.939
p < 0.01
p < 0.01
p < 0.01
Stem Zn × Dissolved Zn
0.982
0.979
0.949
p < 0.01
p < 0.01
p < 0.01
Stem Zn × Sediment Zn
0.950
0.812
0.943
p < 0.01
p < 0.01
p < 0.01
Leaf Zn × Dissolved Zn
0.876
0.844
0.763
p < 0.01
p < 0.01
p < 0.01
Leaf Zn × Sediment Zn
0.826
0.827
0.871
p < 0.01
p < 0.01
p < 0.01
Root Cu × Dissolved Cu
0.947
0.939
0.937
p < 0.01
p < 0.01
p < 0.01
Root Cu × Sediment Cu
0.952
0.916
0.912
p < 0.01
p < 0.01
p < 0.01
Stem Cu × Dissolved Cu
0.942
0.933
0.944
p < 0.01
p < 0.01
p < 0.01
Stem Cu × Sediment Cu
0.947
0.928
0.954
p < 0.01
p < 0.01
p < 0.01
Leaf Cu × Dissolved Cu
0.913
0.945
0.937
p < 0.01
p < 0.01
p < 0.01
Leaf Cu × Sediment Cu
0.920
0.899
0.857
p < 0.01
p < 0.01
p < 0.01
Root Pb × Dissolved Pb
0.569
0.480
0.634
p < 0.01
p < 0.05
p < 0.01
Root Pb × Sediment Pb
0.397
0.501
0.619
IS
p < 0.01
p < 0.01
Stem Pb × Dissolved Pb
0.656
0.583
0.664
p < 0.01
p < 0.01
p < 0.01
Stem Pb × Sediment Pb
0.492
0.485
0.628
p < 0.05
p < 0.05
p < 0.01
Leaf Pb × Dissolved Pb
0.739
0.609
0.668
p < 0.01
p < 0.01
p < 0.01
Leaf Pb × Sediment Pb
0.744
0.591
0.759
p < 0.01
p < 0.01
p < 0.01
Root Hg × Dissolved Hg
0.920
0.299
0.929
p < 0.01
IS
p < 0.01
Root Hg × Sediment Hg
0.575
0.922
0.552
p < 0.01
p < 0.01
p < 0.01
Stem Hg × Dissolved Hg
0.804
0.825
0.718
p < 0.01
p < 0.01
p < 0.01
Stem Hg × Sediment Hg
0.359
0.304
0.659
IS
IS
p < 0.01
Leaf Hg × Dissolved Hg
0.689
0.405
0.498
p < 0.01
IS
p < 0.05
Leaf Hg × Sediment Hg
0.771
0.182
0.191
p < 0.01
IS
IS
5 Mangroves: A Sink of Heavy Metals