Cr

Ni

Cu

Zn

As

Cd

Pb

December

0.00^b

0.46

0.42

8.69

0.00

0.00

0.00

January

0.00

0.89

7.61

40.3

0.00

0.00

2.45

March

4.56

2.18

13.8

69.1

5.32

0.00

4.28

April

1.83

1.85

3.61

55.7

3.74

0.01

1.83

May

2.87

2.87

2.73

64.1

5.37

0.02

1.55

June

1.57

4.87

6.12

54.5

4.27

0.01

2.17

Range

0.00 - 4.56

0.46 - 4.87

0.42 - 13.8

8.69 - 69.1

0.00 - 5.37

0.00 - 0.02

0.00 - 4.28

Mean ± SD

1.81 ± 1.75

2.19 ± 1.58

5.72 ± 4.71

48.7 ± 21.9

3.12 ± 2.49

0.01 ± 0.01

2.05 ± 1.39

Fishery^a

100

50

10

100

50

5

50