Journal of Radioanalytical and Nuclear Chemistry

, Volume 311, Issue 1, pp 121–126 | Cite as

Pollution of radiocesium and radiosilver in wharf roach (Ligia sp.) by the Fukushima Dai-ichi Nuclear Power Plant accident

  • Xuchun Qiu
  • Suzanne Lydia Undap
  • Masato Honda
  • Toshio Sekiguchi
  • Nobuo Suzuki
  • Yohei Shimasaki
  • Hironori Ando
  • Waka Sato-Okoshi
  • Toshihiro Wada
  • Tomoki Sunobe
  • Satoshi Takeda
  • Hiroyuki Munehara
  • Hisashi Yokoyama
  • Noriyuki Momoshima
  • Yuji Oshima
Article

Abstract

Radionuclide concentrations in wharf roaches inhabiting coastal areas of Honshu, Japan, were investigated in October 2011 and June 2012. Relative high concentrations of 110mAg (2.1–127 Bq kg-wet−1), 134Cs (2.6–61 Bq kg-wet−1), and 137Cs (3.5–92 Bq kg-wet−1) were detected in specimens from the eastern Honshu areas. Significantly lower 137Cs concentrations (0.7–1.6 Bq kg-wet−1) were detected in specimens from western and northern Honshu. The decay-corrected 137Cs concentration was significantly inversely correlated with the distance from the Fukushima Dai-ichi Nuclear Power Plant. Thus, wharf roach may serve as a good bioindicator for monitoring radioactive contamination of its habitats.

Keywords

Ligia sp. 110mAg 134Cs 137Cs Fukushima Dai-ichi Nuclear Power Plant accident Bioindicator 

Notes

Acknowledgments

This study was funded in part by the JKA Foundation and by the cooperative research program of Institute of Nature and Environmental Technology, Kanazawa University Accept No. 5 in 2015.

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2016

Authors and Affiliations

  • Xuchun Qiu
    • 1
  • Suzanne Lydia Undap
    • 1
    • 2
  • Masato Honda
    • 1
  • Toshio Sekiguchi
    • 3
  • Nobuo Suzuki
    • 3
  • Yohei Shimasaki
    • 1
  • Hironori Ando
    • 4
  • Waka Sato-Okoshi
    • 5
  • Toshihiro Wada
    • 6
  • Tomoki Sunobe
    • 7
  • Satoshi Takeda
    • 8
  • Hiroyuki Munehara
    • 9
  • Hisashi Yokoyama
    • 10
  • Noriyuki Momoshima
    • 11
  • Yuji Oshima
    • 1
  1. 1.Laboratory of Marine Environmental Science, Faculty of AgricultureKyushu UniversityFukuokaJapan
  2. 2.Faculty of Fisheries and Marine SciencesSam Ratulangi UniversityManadoIndonesia
  3. 3.Noto Marine Laboratory, Institute of Nature and Environmental TechnologyKanazawa UniversityNoto-choJapan
  4. 4.Sado Marine Biological Station, Faculty of ScienceNiigata UniversitySadoJapan
  5. 5.Laboratory of Biological Oceanography, Graduate School of Agricultural ScienceTohoku UniversitySendaiJapan
  6. 6.Institute of Environmental RadioactivityFukushima UniversityFukushimaJapan
  7. 7.Tateyama Station, Field Science CenterTokyo University of Marine Science and TechnologyTateyamaJapan
  8. 8.Research Center for Marine Biology, Asamushi, Graduate School of Life ScienceTohoku UniversityAsamushiJapan
  9. 9.Usujiri Fisheries Station, Field Science Center for Northern BiosphereHokkaido UniversityHakodateJapan
  10. 10.Field Science Education and Research CenterKyoto UniversityKyotoJapan
  11. 11.Central Institute of Radioisotope Sciences and SafetyKyushu UniversityFukuokaJapan

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