Accounts of Biological Functions for Accumulation of Radioisotopes in Fishes

The Fukushima Dai-ichi nuclear power plant in Fukushima-Ken (Prefecture), Japan, was destroyed in March 2011 by a major earthquake (magnitude 9) that struck off the northeast coast of Honshu Island, followed by a historic tsunami on March 11, 2011. Significant amounts of radioisotopes were released into the atmosphere and nearby seawater as a result of nuclear meltdown, hydrogen explosion damage to the buildings housing the reactors, and pollution of cooling water from the reactor cores. Since occasional studies have found that the majority of fishery products still contain radioisotope levels above the Japanese Norm Value, fishing is currently prohibited off the coast of Fukushima-Ken. The Tokyo University of Marine Science and Technology has measured radioisotope levels in fishery species off the coast of Iwaki-Shi (Iwaki City), Fukushima-Ken (located south of the former nuclear power plant); these data may be used to better understand the relationship between the accumulation of specific nuclides (radioisotopes) and certain fish species, as mentioned in the following chapters:
“Feminam Okamejei kenojei spp. Accumulation of a Specific Nuclide by Female Common Skete (Feminam Okamejei kenojei spp.)” is the first chapter.

“Full Quantity of Caesium Radioisotopes in Fish from the Fukushima-Ken Exclusive Economic Zone, Japan, in November 2012” is the second chapter.

“Some Fish Species in Offshore Fukushima, Japan May Accumulate a Particular Nuclide (Radioisotope)” is the third chapter.

“Possible Atomic Fuel Output by Fish Accumulation of Unique Radioisotopes Offshore Fukushima, Japan,” fourth chapter,

Author(s) Details

KATSURA Hidemitsu
Coimbatore Institute of Technology (CIT), Coimbatore, Tamil Nadu 641014, India and Department of Ocean Sciences, Faculty of Marine Science, Tokyo University of Marine Science and Technology, Konan 4-Chome, Minato-Ku, Tokyo 108-8477, Japan and Institute of Product Design and Manufacturing (IPROM), Universiti Kuala Lumpur (Uni.KL), 119 Jalan 7/91, Taman Shamelin Perkasa, 3.5 Miles Cheras, 56100 Kuala Lumpur, Malaysia.

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