Articles | Volume 13, issue 10
Research article
23 May 2016
Research article |  | 23 May 2016

Transfer of radiocaesium from contaminated bottom sediments to marine organisms through benthic food chains in post-Fukushima and post-Chernobyl periods

Roman Bezhenar, Kyung Tae Jung, Vladimir Maderich, Stefan Willemsen, Govert de With, and Fangli Qiao

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Cited articles

Ambe, D., Kaeriyama, H., Shigenobu, Y., Fujimoto, K., Ono, T., Sawada, H., Saito, H., Miki, S., Setou, T., Morita, T., and Watanabe, T.: A high-resolved spatial distribution of radiocesium in sea sediment derived from Fukushima Dai-ichi Nuclear Power Plant, J. Environ. Radioactivity, 133, 264–275, 2014.
Baptist, J. P. and Price, T. J.: Accumulation and retention of Cesium 137 by marine fishes, Fishery Bull., 206, 177–187, 1962.
Black, E. E. and Buesseler, K. O.: Spatial variability and the fate of cesium in coastal sediments near Fukushima, Japan, Biogeosciences, 11, 5123–5137,, 2014.
Cammen, L. M.: Ingestion rate: An empirical model for aquatic deposit feeders and detritivores, Oecologia, 44, 303–310, 1980.
Short summary
Measurements after the Fukushima Dai-ichi accident show that elevated concentrations of Cs-137 still remain in sediments, benthic organisms, and demersal fishes in the coastal zone. The dynamic food chain model has been extended to include benthic organisms. We showed that the gradual decrease of activity in the demersal fish after the accident was caused by the transfer of activity from organic matter deposited on the bottom through the deposit-feeding invertebrates.
Final-revised paper