145
Table 5.2 Correlation coefficient between metal concentration in ambient media (water and sediment) with accumulated metal in vegetative parts of Avicennia
alba
in 2014
Combination
r-value
p-value
Premonsoon
Monsoon
Postmonsoon
Premonsoon
Monsoon
Postmonsoon
Root Zn × Dissolved Zn
0.590
0.771
0.591
p < 0.01
p < 0.01
p < 0.01
Root Zn × Sediment Zn
0.920
0.848
0.932
p < 0.01
p < 0.01
p < 0.01
Stem Zn × Dissolved Zn
0.561
0.733
0.555
p < 0.01
p < 0.01
p < 0.01
Stem Zn × Sediment Zn
0.952
0.858
0.928
p < 0.01
p < 0.01
p < 0.01
Leaf Zn × Dissolved Zn
0.662
0.706
0.573
p < 0.01
p < 0.01
p < 0.01
Leaf Zn × Sediment Zn
0.878
0.785
0.922
p < 0.01
p < 0.01
p < 0.01
Root Cu × Dissolved Cu
0.969
0.805
0.947
p < 0.01
p < 0.01
p < 0.01
Root Cu × Sediment Cu
0.929
0.930
0.911
p < 0.01
p < 0.01
p < 0.01
Stem Cu × Dissolved Cu
0.964
0.847
0.951
p < 0.01
p < 0.01
p < 0.01
Stem Cu × Sediment Cu
0.952
0.927
0.958
p < 0.01
p < 0.01
p < 0.01
Leaf Cu × Dissolved Cu
0.934
0.822
0.967
p < 0.01
p < 0.01
p < 0.01
Leaf Cu × Sediment Cu
0.944
0.909
0.919
p < 0.01
p < 0.01
p < 0.01
Root Pb × Dissolved Pb
0.889
0.831
0.557
p < 0.01
p < 0.01
p < 0.01
Root Pb × Sediment Pb
0.769
0.758
0.469
p < 0.01
p < 0.01
p < 0.05
Stem Pb × Dissolved Pb
0.753
0.339
0.618
IS
IS
p < 0.01
Stem Pb × Sediment Pb
0.600
0.685
0.674
p < 0.01
p < 0.01
p < 0.01
Leaf Pb × Dissolved Pb
0.867
0.490
0.706
p < 0.01
p < 0.05
p < 0.01
Leaf Pb × Sediment Pb
0.685
0.357
0.700
p < 0.01
IS
p < 0.01
Root Hg × Dissolved Hg
0.905
0.925
0.881
p < 0.01
p < 0.01
p < 0.01
Root Hg × Sediment Hg
0.803
0.811
0.799
p < 0.01
p < 0.01
p < 0.01
Stem Hg × Dissolved Hg
0.883
0.915
0.939
p < 0.01
p < 0.01
p < 0.01
Stem Hg × Sediment Hg
0.777
0.852
0.894
p < 0.01
p < 0.01
p < 0.01
Leaf Hg × Dissolved Hg
0.864
0.646
0.741
p < 0.01
p < 0.01
p < 0.01
Leaf Hg × Sediment Hg
0.723
0.482
0.608
p < 0.01
p < 0.01
p < 0.01
5 Mangroves: A Sink of Heavy Metals