三陸沿岸の魚貝類と底土の水銀含量について

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タイトル別名
  • Mercury Content of Fish and Bottom Mud from Sanriku Coastal Waters in Northeastern Japan
  • サンリク エンガン ノ ギョカイルイ ト ソコツチ ノ スイギン ガンリョウ

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抄録

The high mercuric level found in Menuke (red snapper) and Suzuki (common sea bass) from the Japanese Sanriku coastal waters was reported in 1973. Judging from the habit of these fishes, authors considered both the inshore and offshore to be polluted by mercury and embarked to confirm this possibility and to locate the central area of mercury pollution.<br>1) Inshore: The mercuric pollution level of 5 adjacent bays was studied preliminarily by survey of bottom mud, and then by a comparison of the mean mercury level of fish (Ainame, kelp greenling) with regressions of mercury level on the weight base. The results indicated all the bays to be polluted with mercury, and Kamaishi Bay to be most highly polluted among them.<br>2) Offshore: All fish and shellfish of 10 species, 6 miles off Miyako were found to be polluted with mercury and that bigger fish tended to show higher mercury content.<br>3) Comparison with other coastal areas: Upon comparing the mean mercury level and the regressions of mercury level per weight of fish (mackerel) in reference to its seasonal migration, the mercury pollution of this coastal area was found to be higher than that of other coastal areas.

収録刊行物

  • 食品衛生学雑誌

    食品衛生学雑誌 19 (4), 357-362_1, 1978

    公益社団法人 日本食品衛生学会

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