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Contamination of fish landed in Japan following Fukushima accident

Published on: Thu, 05/05/2011 - 09:08
Table of Contents

    using data from Japanese Fisheries Agency

      Cs137       I131      

     

    Number below detectable level

    Number with detectable levels

    Mean

    Max

    Number below detectable level

    Number with detectable levels

    Mean

    Max

    benthic

    1

    0

    .

    .

    1

    0

    .

    .

    Botan shrimp

    Clam

    2

    1

    19.00

    19.00

    0

    3

    21.33

    30.00

    Fukutokobushi abalone

    1

    0

    .

    .

    1

    0

    .

    .

    Japanese whelk

    1

    0

    .

    .

    1

    0

    .

    .

    Rockfish

    0

    1

    6.00

    6.00

    0

    1

    5.00

    5.00

    Sea cucumber

    2

    0

    .

    .

    0

    2

    20.10

    33.00

    SUBTOTAL

    7

    2

    12.50

    19.00

    3

    6

    18.20

    33.00

    benthopelagic

    1

    0

    .

    .

    1

    0

    .

    .

    Alaska pollack

    Chum salmon

    0

    1

    0.45

    0.45

    1

    0

    .

    .

    Rainbow trout

    2

    0

    .

    .

    1

    1

    5.50

    5.50

    Whitespotted char

    2

    0

    .

    .

    0

    2

    10.55

    13.00

    SUBTOTAL

    5

    1

    0.45

    0.45

    3

    3

    8.87

    13.00

    coastal

    0

    1

    68.00

    68.00

    0

    1

    96.00

    96.00

    Brackish-water  clam

    SUBTOTAL

    0

    1

    68.00

    68.00

    0

    1

    96.00

    96.00

    deepwater

    4

    0

    .

    .

    4

    0

    .

    .

    Alfonsino

    Thornhead

    1

    0

    .

    .

    1

    0

    .

    .

    SUBTOTAL

    5

    0

    .

    .

    5

    0

    .

    .

    demersal

    1

    1

    3.00

    3.00

    1

    1

    4.00

    4.00

    Chestnut octopus

    Conger eel

    1

    6

    10.00

    21.00

    1

    6

    71.50

    220.00

    Fat greenling

    0

    1

    10.00

    10.00

    0

    1

    260.00

    260.00

    Flathead flounder

    1

    0

    .

    .

    1

    0

    .

    .

    Japanese amberjack

    1

    0

    .

    .

    0

    1

    6.40

    6.40

    Japanese icefish

    0

    1

    94.00

    94.00

    0

    1

    260.00

    260.00

    Japanese littleneck clam

    0

    2

    6.10

    8.10

    0

    2

    86.00

    103.00

    Japanese sandlance

    0

    19

    1710.68

    14400.00

    0

    19

    1927.16

    12000.00

    Marbled flounder

    2

    5

    4.40

    8.00

    3

    4

    4.40

    8.00

    Monkfish

    2

    1

    7.00

    7.00

    0

    3

    10.67

    21.00

    Olive flounder

    6

    4

    6.75

    19.00

    6

    4

    4.88

    13.00

    Pacific cod

    2

    0

    .

    .

    2

    0

    .

    .

    Slime flounder

    0

    2

    6.50

    7.00

    0

    2

    15.50

    26.00

    Willowy flounder

    2

    1

    6.00

    6.00

    2

    1

    35.00

    35.00

    SUBTOTAL

    18

    43

    761.80

    14400.00

    16

    45

    841.83

    12000.00

    freshwater

    2

    0

    .

    .

    1

    1

    6.30

    6.30

     carp

    Land-locked salmon

    0

    1

    15.70

    15.70

    1

    0

    .

    .

    SUBTOTAL

    2

    1

    15.70

    15.70

    2

    1

    6.30

    6.30

    pelagic

    1

    7

    32.69

    170.00

    2

    6

    38.37

    130.00

    Anchovy

    Chub mackerel

    2

    0

    .

    .

    1

    1

    3.60

    3.60

    Halfbeak

    0

    1

    11.00

    11.00

    0

    1

    7.20

    7.20

    Japanese jack mackerel

    2

    0

    .

    .

    2

    0

    .

    .

    Japanese sardine

    1

    4

    4.23

    8.50

    1

    4

    6.13

    16.00

    Skipjack tuna

    1

    1

    33.00

    33.00

    2

    0

    .

    .

    Southern mackerel

    1

    0

    .

    .

    1

    0

    .

    .

    SUBTOTAL

    8

    13

    22.28

    170.00

    9

    12

    22.13

    130.00

    ponds

    1

    0

    .

    .

    0

    1

    3.00

    3.00

    Drum

    SUBTOTAL

    1

    0

    .

    .

    0

    1

    3.00

    3.00

    reef

    1

    1

    2.20

    2.20

    0

    2

    4.00

    5.90

    Seabass

    SUBTOTAL

    1

    1

    2.20

    2.20

    0

    2

    4.00

    5.90

    semi-pelagic

    3

    0

    .

    .

    1

    2

    9.30

    13.00

    Spear squid

    SUBTOTAL

    3

    0

    .

    .

    1

    2

    9.30

    13.00

    surface

    3

    0

    .

    .

    0

    3

    96.83

    216.00

    Hijiki seaweed

    Japanese dwarf squid

    0

    1

    14.00

    14.00

    0

    1

    3.00

    3.00

    Tosakanori seaweed

    1

    0

    .

    .

    0

    1

    4.91

    4.91

    SUBTOTAL

    4

    1

    14.00

    14.00

    0

    5

    59.68

    216.00