Table 5 Seasonal profile of bioconcentration factors (C _[P.laevis] / C _{[barbel tissue]}) for P. laevis calculated with respect to different host tissues

As

Muscle

3.8

4.8

10.3

Intestine

2.1

2.9

4.2

Liver

1.6

1.9

3.4

Cd

Muscle

103.3

132.7

116.7

Intestine

10.1

11.7

18.3

Liver

15.3

16.0

16.8

Co

Muscle

4.4

5.7

8.3

Intestine

0.5

0.6

0.7

Liver

1.9

2.3

2.8

Cu

Muscle

50.7

33.9

77.2

Intestine

10.0

11.1

12.4

Liver

4.4

4.0

6.6

Fe

Muscle

5.8

4.0

3.8

Intestine

0.9

0.6

0.3

Liver

1.1

0.5

0.6

Mn

Muscle

12.8

21.9

20.0

Intestine

1.1

1.0

0.6

Liver

3.7

5.1

6.2

Mo

Muscle

7.0

5.9

5.0

Intestine

0.8

1.6

1.2

Liver

0.2

0.4

0.3

Ni

Muscle

2.2

0.8

1.9

Intestine

1.7

0.2

0.4

Liver

8.3

2.6

2.1

Pb

Muscle

1,194.4

1,250.0

794.4

Intestine

78.1

42.2

20.2

Liver

211.3

151.1

158.1

V

Muscle

2.0

2.8

5.2

Intestine

0.5

0.3

0.3

Liver

0.6

0.6

1.1

Zn

Muscle

13.6

7.3

24.9

Intestine

5.6

3.3

9.0

Liver

3.4

1.8

5.1