Global Fallout Radionuclides in Plants of Terrestrial Ecosystems of the Ural Region

被引：4
|
作者：
Mikhailovskaya, L. N. [1 ]
Molchanova, I. V. [1 ]
Nifontova, M. G. [1 ]
机构：
[1] Russian Acad Sci, Inst Plant & Anim Ecol, Ural Branch, Ekaterinburg 620144, Russia
来源：
RUSSIAN JOURNAL OF ECOLOGY | 2015年 / 46卷 / 01期
基金：
俄罗斯基础研究基金会;
关键词：
radionuclides; global fallout; regional background; accumulation by plants; the Ural region;
D O I：
10.1134/S1067413615010129
中图分类号：
Q14 [生态学（生物生态学）];
学科分类号：
071012 ; 0713 ;
摘要：
A background level of soil pollution was found of 0.2-3.5 kBq/m(2) for Sr-90 and 1.0-7.6 kBq/m(2) for Cs-137 in the Ural Region between 55 degrees and 57 degrees N. The average contents of Sr-90 in the above-ground mass of herbaceous plants, mosses, and lichens were equivalent, while the contents of Cs-137 were much higher in mosses and lichens than in herbaceous plants. The maximum range of variability of the storage capacity in relation to Sr-90 was observed in herbaceous plants, while that for Cs-137 was found in mosses. The content of radionuclides is determined by the species characteristics of plants within each taxonomic group.
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页码：7 / 13
页数：7
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