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Spatial and seasonal variations of radiocesium concentrations in an algae-grazing annual fish, ayu Plecoglossus altivelis collected from Fukushima Prefecture in 2014

  • Daigo Morishita
  • Toshihiro Wada
  • Takuji Noda
  • Atsushi Tomiya
  • Masahiro Enomoto
  • Toshiyuki Sato
  • Shunji Suzuki
  • Gyo Kawata
Original Article Environment

Abstract

To elucidate spatial and seasonal variations of radiocesium (134Cs and 137Cs) concentrations in ayu Plecoglossus altivelis, amphidromous fish samples were collected both from shallow coastal waters in March 2014 and from seven rivers in Fukushima Prefecture during May–October 2014. Of the rivers, two were located within the designated evacuation zone. After standard length (SL) and body weight measurements, fish were dissected to two parts: body without head and internal organs, BD; head and internal organs, HI. Radiocesium concentrations in these parts were measured using germanium semiconductor detectors. Those in the whole body (WB) were reconstructed using their concentrations and weights. The 137Cs concentrations in BD in oceanic samples (4.3–6.7 cm SL) were below the detection limit, whereas those in riverine samples (6.4–18.8 cm SL) were 0.719–902 Bq kg−1-wet. Statistical analyses indicated a best-fit linear mixed-effects model including “SL” and “sampling site” as explanatory variables. Significant differences in 137Cs concentrations in BD among rivers were detected. Our results indicate that 137Cs concentrations in BD of riverine ayu, which showed lower but site-specifically constant values compared with those in HI or WB, are useful as a good indicator of radiocesium contamination of the respective rivers.

Keywords

Algae-grazing fish Ayu Fukushima Nuclear accident Radiocesium River 

Notes

Acknowledgements

We are grateful to Fukushima Prefecture fishery cooperative members who caught ayu for measurements (Muroharagawa-Takasegawa, Niidagawa-Ohtagawa, Manogawa, Abukumagawa, and Nankaitoubu). Portions of this study were supported by a Grant-in-Aid for Young Scientists (A) (16H06199) from the Ministry of Education, Culture, Sports, Science and Technology, Japan.

Supplementary material

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Supplementary material 1 (XLSX 67 kb)
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Supplementary material 2 (XLSX 34 kb)
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Supplementary material 3 (XLSX 14 kb)

References

  1. Abe S, Kiso K, Katano O, Yamamoto S, Nagumo T, Tanaka J (2006) Impacts of differential consumption by the grazing fish, Plecoglossus altivelis, on the benthic algal composition in the Chikuma River, Japan. Phycol Res 54:94–98CrossRefGoogle Scholar
  2. Chino M, Nakayama H, Nagai H, Terada H, Katata G, Yamazawa H (2011) Preliminary estimation of release amounts of 131I and 137Cs accidentally discharged from the Fukushima Daiichi Nuclear Power Plant into the atmosphere. J Nucl Sci Tech 48:1129–1134CrossRefGoogle Scholar
  3. Development Core Team R (2017) R: a language and environment for statistical computing. R Foundation for Statistical Computing, ViennaGoogle Scholar
  4. Fishery Office of the Fukushima Prefectural Government (2018) Emergency monitoring results of radionuclides in fishery products; http://www.pref.fukushima.lg.jp/site/portal/ps-suisanka-monita-top.html. Accessed 8 Jul 2018
  5. Hayashi S (2016) Migration and accumulation of radioactive cesium in the upstream region of river watersheds affected by the Fukushima Daiichi Nuclear Power Plant accident: a review. Glob Environ Res 20:45–52Google Scholar
  6. Iguchi K, Tanimura Y, Takeshima H, Nishida M (1999) Genetic variation and geographic population structure of amphidromous ayu Plecoglossus altivelis as examined by mitochondrial DNA sequencing. Fish Sci 65:63–67CrossRefGoogle Scholar
  7. Iguchi K, Ohkawa T, Nishida M (2002) Genetic structure of land-locked ayu within the Biwa Lake system. Fish Sci 68:138–143CrossRefGoogle Scholar
  8. Iguchi K, Fujimoto K, Kaeriyama H, Tomiya A, Enomoto M, Abe S, Ishida T (2013) Cesium-137 discharge into the freshwater fishery ground of grazing fish, ayu Plecoglossus altivelis after the March 2011 Fukushima nuclear accident. Fish Sci 79:983–988CrossRefGoogle Scholar
  9. Ito K, Katayama A, Shizuka K, Monna N (2016) Effects of the Great East Japan tsunami on fish populations and ecosystem recovery. The Natori River, northeastern Japan. In: Santiago-Fandiño V, Tanaka H, Spiske M (eds) Tsunamis and earthquakes in coastal environments: significance and restoration, vol 14. Coastal research library. Springer International Publishing, Switzerland, pp 201–216CrossRefGoogle Scholar
  10. Iwagami S, Tsujimura M, Onda Y, Nishino M, Konuma R, Abe Y, Hada M, Pun I, Sakaguchi A, Kondo H, Yamamoto M, Miyata Y, Igarashi Y (2017) Temporal changes in dissolved 137Cs concentrations in groundwater and stream water in Fukushima after the Fukushima Dai-ichi Nuclear Power Plant accident. J Environ Radioact 166:458–464CrossRefPubMedGoogle Scholar
  11. Kaneko T (2015) Osmoregulation and excretion of cesium in fish. Bull Soc Sea Water Sci Jpn 69:238–243 (in Japanese) Google Scholar
  12. Man CK, Kwok YH (2000) Uptake of 137Cs by freshwater fish. Appl Radiat Isot 52:237CrossRefPubMedGoogle Scholar
  13. Mathieu A, Kajino M, Korsakissok I, Périllat R, Quélo D, Quérel A, Saunier O, Sekiyama TT, Igarashi Y, Didier D (2018) Fukushima Daiichi–derived radionuclides in the atmosphere, transport and deposition in Japan: a review. Appl Geochem 91:122–139CrossRefGoogle Scholar
  14. Matsuda K, Takagi K, Tomiya A, Enomoto M, Tsuboi J, Kaeriyama H, Ambe D, Fujimoto K, Ono T, Uchida K, Morita T, Yamamoto S (2015) Comparison of radioactive cesium contamination of lake water, bottom sediment, plankton, and freshwater fish among lakes of Fukushima Prefecture, Japan after the Fukushima fallout. Fish Sci 81:737–747CrossRefGoogle Scholar
  15. Ministry of Education, Culture, Sports, Science and Technology (MEXT) (1992) Gamma-ray spectrometry by a germanium semiconductor detector. Radioact Meas Method Ser 7:63–101 (in Japanese) Google Scholar
  16. Ministry of Health, Labour and Welfare of Japan (2018) Food monitoring on radionuclides; http://www.mhlw.go.jp/stf/kinkyu/0000045250.html. Accessed 8 Jul 2018
  17. Nagao S, Kanamori M, Ochiai S, Tomihara S, Fukushi K, Yamamoto M (2013) Export of 134Cs and 137Cs in the Fukushima river systems at heavy rains by typhoon Roke in September 2011. Biogeosciences 10:6215–6223CrossRefGoogle Scholar
  18. Otake T (2006) Early life history of ayu in coastal waters. Bull Fish Res Agen Suppl 5:179–185 (in Japanese with English abstract) Google Scholar
  19. Saito K, Tanihata I, Fujiwara M, Saito T, Shimoura S, Otsuka T, Onda Y, Hoshi M, Ikeuchi Y, Takahashi F, Kinouchi N, Saegusa J, Seki A, Takemiya H, Shibata T (2015) Detailed deposition density maps constructed by large-scale soil sampling for gamma-ray emitting radioactive nuclides from the Fukushima Dai-ichi Nuclear Power Plant accident. J Environ Radioact 139:308–319CrossRefPubMedGoogle Scholar
  20. Sakuma K, Tsuji H, Hayashi S, Funaki H, Malins A, Yoshimura K, Kurikami H, Kitamura A, Iijima K, Hosomi M (2018) Applicability of Kd for modelling dissolved 137Cs concentrations in Fukushima river water: case study of the upstream Ota River. J Environ Radioact 184–185:53–62CrossRefPubMedGoogle Scholar
  21. Seki S, Taniguchi N, Jeon SR (1988) Genetic divergence among natural populations of ayu from Japan and Korea. Nippon Suisan Gakkaishi 54:559–568 (in Japanese with English abstract) CrossRefGoogle Scholar
  22. Shimizu A, Uchida K, Abe S, Udagawa M, Sato T, Katsura K (2005) Evidence of multiple spawning in wild amphidromous type ayu. Fish Sci 71:1379–1381CrossRefGoogle Scholar
  23. Smith JT, Kudelsky AV, Ryabov IN, Daire SE, Boyer L, Blust RJ, Fernandez JA, Hadderingh RH, Voitsekhovitch OV (2002) Uptake and elimination of radiocaesium in fish and the “size effect”. J Environ Radioact 62:145–164CrossRefPubMedGoogle Scholar
  24. Steinhauser G, Brandl A, Johnson TE (2014) Comparison of the Chernobyl and Fukushima nuclear accidents: a review of the environmental impacts. Sci Total Environ 470–471:800–817CrossRefPubMedGoogle Scholar
  25. Takagi K, Yamamoto S, Matsuda K, Tomiya A, Enomoto M, Shigenobu Y, Fujimoto K, Ono T, Morita T, Uchida K, Wtanabe T (2015) Radiocesium concentrations and body size of largemouth bass, Micropterus salmoides (Lacépède, 1802), and smallmouth bass, M. dolomieu Lacépède, 1802, in Lake Hayama, Japan. J Appl Ichthyol 31:909–911CrossRefGoogle Scholar
  26. Tsuboi J, Abe S, Fujimoto K, Kaeriyama H, Ambe D, Matsuda K, Enomoto M, Tomiya A, Morita T, Ono T, Yamamoto S, Iguchi K (2015) Exposure of a herbivorous fish to 134Cs and 137Cs from the riverbed following the Fukushima disaster. J Environ Radioact 141:32–37CrossRefPubMedGoogle Scholar
  27. Tsukamoto K, Uchida K (1992) Migration mechanism of the ayu. In: Ilyichev VI, Anikiev VV (eds) Oceanic and anthropogenic controls of life in the Pacific Ocean. Kluwer Academic Publishers, Dordrecht, pp 145–172CrossRefGoogle Scholar
  28. Wada T, Nemoto Y, Shimamura S, Fujita T, Mizuno T, Sohtome T, Kamiyama K, Morita T, Igarashi S (2013) Effects of the nuclear disaster on marine products in Fukushima. J Environ Radioact 124:246–254CrossRefPubMedGoogle Scholar
  29. Wada T, Tomiya A, Enomoto M, Sato T, Morishita D, Izumi S, Niizeki K, Suzuki S, Morita T, Kawata G (2016a) Radiological impact of the nuclear power plant accident on freshwater fish in Fukushima: an overview of monitoring results. J Environ Radioact 151:144–155CrossRefPubMedGoogle Scholar
  30. Wada T, Fujita T, Nemoto Y, Shimamura S, Mizuno T, Sohtome T, Kamiyama K, Narita K, Watanabe M, Hatta N, Ogata Y, Morita T, Igarashi S (2016b) Effects of the nuclear disaster on marine products in Fukushima: an update after five years. J Environ Radioact 164:312–324CrossRefPubMedGoogle Scholar
  31. Wada T, Sato T, Morishita D, Takasaki K, Izumi S, Suzuki S, Kawata G (2018) Radioactive contamination of freshwater fish by monitoring inspections of Fukushima Prefecture. Kaiyo Mon 50:8–13 (in Japanese) Google Scholar
  32. Wakiyama Y, Konoplev A, Wada T, Takase T, Byrnes I, Carradine M, Nanba K (2017) Behavior of 137Cs in ponds in the vicinity of the Fukushima Dai-ichi nuclear power plant. J Environ Radioact 178–179:367–376CrossRefPubMedGoogle Scholar
  33. Watanabe K, Hosho T (2003) Estimation of the number of native amphidromous ayu, Plecoglossus altivelis, in the Yoshino River. Suisanzoshoku 51:257–262 (in Japanese with English abstract) Google Scholar
  34. Yamamoto S, Mutou K, Nakamura H, Miyamoto K, Uchida K, Takagi K, Fujimoto K, Kaeriyama H, Ono T (2014) Assessment of radiocaesium accumulation by hatchery-reared salmonids after the Fukushima nuclear accident. Can J Fish Aquat Sci 71:1772–1775CrossRefGoogle Scholar
  35. Yoshimura M, Yokoduka T (2014) Radioactive contamination of fishes in lake and streams impacted by the Fukushima nuclear power plant accident. Sci Total Environ 482–483:184–192CrossRefPubMedGoogle Scholar
  36. Zuur AF, Ieno EN, Walker NJ, Saveliev AA, Smith GM (2009) Mixed effects models and extensions in ecology with R. Springer, New YorkCrossRefGoogle Scholar

Copyright information

© Japanese Society of Fisheries Science 2018

Authors and Affiliations

  • Daigo Morishita
    • 1
    • 4
  • Toshihiro Wada
    • 2
  • Takuji Noda
    • 3
  • Atsushi Tomiya
    • 1
    • 5
  • Masahiro Enomoto
    • 1
    • 6
  • Toshiyuki Sato
    • 1
    • 4
  • Shunji Suzuki
    • 1
    • 4
  • Gyo Kawata
    • 1
    • 6
  1. 1.Fukushima Prefectural Inland Water Fisheries Experimental StationInawashiroJapan
  2. 2.Institute of Environmental Radioactivity, Fukushima UniversityFukushimaJapan
  3. 3.The Institute of Statistical MathematicsTachikawaJapan
  4. 4.Fukushima Prefectural Fisheries and Marine Science Research CentreIwakiJapan
  5. 5.Fishery Office of the Fukushima Prefectural GovernmentIwakiJapan
  6. 6.Fukushima Prefectural Research Institute of Fisheries ResourcesSomaJapan

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