The Preservation of Fishing Nets, Trawl Twines and Fibre Ropes for Use in Sea Water

Atkins, W. R. G.; Warren, F. J.

doi:10.1017/s002531540001167x

Cited by 7 publications

(5 citation statements)

References 7 publications

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“…To sample local fish, trawl (dragnet) fishing was conducted on the November 22, 2012, off Yotsukura and Ena, Iwaki-Shi, Fukushima-Ken, Japan, in a total fishing area of 9,450 and 9,775 m 2 , respectively (Atkins and Warren, 1953). Gill-net fishing was conducted from November 22-23, 2012 in the same location, with a total fishing area of 28,900 and 50,141 m 2 off Yotsukura and Ena, respectively (Buscaino et al, 2009).…”

Section: Methodsmentioning

confidence: 99%

Some fish species in offshore Fukushima, Japan ability to accumulate a specific nuclide (radioisotope)

KATSURA¹

2016

Int. J. Phys. Sci.

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The Tokyo Electric Power Company's, Fukushima Dai-ichi nuclear power plant in Fukushima-Ken (Fukushima Prefecture), Japan, was destroyed in March 2011 by a massive magnitude 9 earthquake (centred offshore to the northeast of Honshu Island) and by the subsequent historic Tsunami of March 11, 2011. Because of the nuclear meltdown, hydrogen-explosion damage to the buildings that housed the reactors, and the contamination of the cooling water from the reactor cores, large quantities of radioisotopes were emitted into the atmosphere and adjacent seawater. The Tokyo University of Marine Science and Technology has measured radioisotope levels in fishery species off Iwaki-Shi(Iwaki City), Fukushima-Ken (located south of the former nuclear power plant); these data could be used to understand the relationship between the accumulation of specific nuclides (radioisotopes) and certain species of fish, as follows: [1] It is possible to accumulate or separate specific nuclides (134Cs and 137Cs) by combining Sebastes cheni (Japanese rockfish; SHIROMEBARU) and Kareius bicoloratus (Stone flounder; ISHIGAREI), and Ditrema temmincki temmincki (Surfperch; UMITANAGO) and Cynoglossus joyneri (Red tongue sole; AKASHITA BIRAME). [2] There are differences in 134Cs and 137Cs accumulation between adult fish and fry of Paralichthys olivaceus (Bastard halibut; HIRAME). Therefore, some fish species have the ability to accumulate a specific nuclide (radioisotope). To date, ultra-centrifugation and diffusion methods have been used to accumulate specific nuclides for atomic fuel. However, if we could use the ability of some fish species to accumulate specific nuclides, we would have additional methods to concentrate nuclides.

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Section: Methodsmentioning

confidence: 99%

Some fish species in offshore Fukushima, Japan ability to accumulate a specific nuclide (radioisotope)

KATSURA¹

2016

Int. J. Phys. Sci.

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“…Trawl (dragnet) fishing was performed on 22 November, 2012 off Yotsukura and Ena, Iwaki-Shi, Fukushima-Ken, Japan to sample the fish in the region. The total fishing areas were 9,450 and 9,775 square meter off Yotsukura and Ena, respectively (Atkins and Warren, 1953). Gill-net fishing was performed on 22 to 23 November, 2012 in the same locations.…”

Section: Methodsmentioning

confidence: 99%

Total quantity of caesium radioisotopes in fish in the Fukushima-Ken Exclusive Economic Zone, Japan, in November 2012

KATSURA¹

2013

Sci. Res. Essays

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The Tokyo Electric Power Company Fukushima Dai-ichi nuclear power plant in Fukushima-Ken (Prefecture), Japan, was destroyed in March 2011 due to a massive earthquake (magnitude 9) centred offshore to the northeast of Honshu Island and the subsequent historic tsunami on 11 March 2011. Due to nuclear meltdown, damage to the buildings housing the reactors by hydrogen explosions, and the contamination of cooling water from the reactor cores, huge quantities of radioisotopes were emitted to the atmosphere and to the adjacent seawater. Fishing is currently prohibited off the coast of Fukushima-Ken because intermittent surveys have found that the majority of fishery products still contain radioisotope levels exceeding the Japanese Standard Value. However, the total amount of caesium radioisotopes in fish biomass in the Fukushima-Ken Exclusive Economic Zone (EEZ) has not yet been reported. The Tokyo University of Marine Science and Technology has measured radioisotope levels in fishery species off Iwaki-Shi (City), Fukushima-Ken (located south of the destroyed nuclear power plant), and these data can be used to estimate the total fish biomass and the quantity of caesium radioisotopes in fish in the Fukushima-Ken EEZ. On 22 to 23 November 2012, the estimated total fish biomass in the Fukushima-Ken EEZ was 91,150,218.79 kg and the estimated total quantities of Cs-134 and Cs-137 in fish were 4,879,259,657 Bq and 8,381,002,727 Bq, respectively.

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“…For the exposure of fishing net twines and ropes Atkins (1936)) Atkins & Purser, (1936) and Atkins & Warren (1941) employed several methods. They placed their materials in aquarium tank water, attached them to pier supports between high and low water mark, or totally submerged them either for the full test period or intermittently in a sea water basin.…”

Section: Testing Of Textiles Treated With Mildew-andmentioning

confidence: 99%

Micro‐organisms and Textiles

Burgess¹

1954

Journal of Applied Bacteriology

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The Preservation of Fishing Nets, Trawl Twines and Fibre Ropes for Use in Sea Water

Cited by 7 publications

References 7 publications

Some fish species in offshore Fukushima, Japan ability to accumulate a specific nuclide (radioisotope)

Some fish species in offshore Fukushima, Japan ability to accumulate a specific nuclide (radioisotope)

Total quantity of caesium radioisotopes in fish in the Fukushima-Ken Exclusive Economic Zone, Japan, in November 2012

Micro‐organisms and Textiles

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