¹³⁷Cs concentrations in foliose lichens within Tsukuba-city as a reflection of radioactive fallout from the Fukushima Dai-ichi Nuclear Power Plant accident.

Autor: Ohmura Y; Department of Botany, National Museum of Nature and Science, 4-1-1 Amakubo, Tsukuba, Ibaraki 305-0005, Japan. Electronic address: ohmura-y@kahaku.go.jp., Matsukura K; Graduate School of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Ten-noudai, Tsukuba, Ibaraki 305-8572, Japan., Abe JP; Graduate School of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Ten-noudai, Tsukuba, Ibaraki 305-8572, Japan., Hosaka K; Department of Botany, National Museum of Nature and Science, 4-1-1 Amakubo, Tsukuba, Ibaraki 305-0005, Japan., Tamaoki M; Center for Environmental Biology and Ecosystem Studies, National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba, Ibaraki 305-8506, Japan., Dohi T; Headquarters of Fukushima, Japan Atomic Energy Agency, 6-6 Sakae-machi, Fukushima 960-8031, Japan., Kakishima M; Faculty of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Ten-noudai, Tsukuba, Ibaraki 305-8572, Japan; Engineering Research Center of Chinese Ministry of Education for Edible and Medicinal Fungi, Jilin Agricultural University, Changchun, Jilin Province 130118, China., Seaward MR; Department of Archaeological, Geographical & Environmental Sciences, University of Bradford, Bradford BD7 1DP, UK.
Jazyk: angličtina
Zdroj: Journal of environmental radioactivity [J Environ Radioact] 2015 Mar; Vol. 141, pp. 38-43. Date of Electronic Publication: 2014 Dec 15.
DOI: 10.1016/j.jenvrad.2014.11.014
Abstrakt: (137)Cs concentrations in ten species of foliose lichens collected within Tsukuba-city in August 2013 ranged from 1.7 to 35 kBq/kg. The relationships between (137)Cs in two dominant species, Dirinaria applanata and Physcia orientalis, and the air dose rate (μSv/h) at the sampling sites were investigated. (137)Cs in P. orientalis measured about 1 year after the Fukushima nuclear accident was correlated (r(2) = 0.80) more closely with the air dose rate than those measured after about 2 years (r(2) = 0.65), possibly demonstrating its continued value as a biomonitor to reflect ambient fall-out levels. In contrast, those of Dirinaria applanata were not correlated with the air dose rate in either year.
(Copyright © 2014 Elsevier Ltd. All rights reserved.)
Databáze: MEDLINE
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