Table 1 Activity of Po²¹⁰ in seafood samples collected during three sampling periods

(Fish) Arius maculatus

class 1 (10-15 cm)

5.6 ± 1.78 (n = 5)

NA

3.5 ± 0.14 (n = 9)

class 2 (16-20 cm)

5.9 ± 1.52 (n = 10)

4.5 ± 0.01 (n = 1)

4.5 ± 0.24 (n = 15)

class 3 ( > 20 cm)

7.5 ± 1.64 (n = 15)

5.4 ± 0.27 (n = 29)

5.2 ± 0.24 (n = 6)

Mean

6.4 ± 0.95

5.1 ± 0.13

4.4 ± 0.12

(Crustacean) Penaeus merguiensis

class 1 (5-7 cm)

58.2 ± 2.80 (n = 10)

41.5 ± 1.73 (n = 3)

36.8 ± 0.78 (n = 5)

class 2 (8-10 cm)

51.1 ± 2.00 (n = 6)

50.0 ± 3.72 (n = 23)

48.3 ± 1.65 (n = 7)

class 3 (10 > cm)

53.9 ± 3.25 (n = 14)

64.5 ± 1.64 (n = 4)

52.1 ± 1.82 (n = 18)

Mean

54.4 ± 1.58

51.6 ± 1.47

45.7 ± 0.86

(Mollusc) Anadara granosa

class 1 (2-3 cm)

112.9 ± 7.24 (n = 3)

224.5 ± 15.0 (n = 16)

114.9 ± 7.29 (n = 15)

class 2 (3.1-3.5 cm)

374.6 ± 13.56 (n = 6)

307.1 ± 20.21 (n = 11)

92.7 ± 2.83 (n = 4)

class 3 (3.5 > cm)

393.9 ± 25.90 (n = 21)

203.0 ± 5.44 (n = 3)

105.2 ± 6.73 (n = 11)

Mean

293.8 ± 10.04

244.9 ± 8.58

104.3 ± 3.44