NDLI: Recent Levels of Radionuclide Contamination in the Eastern Ural Radioactive Trace and Biological Effects in Local Populations of Plantago major L.

Content Provider	Springer Nature Link
Author	Pozolotina, V. N. Molchava, I. V. Mikhailovskaya, L. N. Ul'yava, E. V.
Copyright Year	2005
Abstract	The results of the study have shown that the stocks of $^{90}$Sr and $^{137}$Cs in the frontal part of the EURT are 6700–15000 and 200–400 kBq/m$^{2}$, respectively. The coefficients of their accumulation in different herbaceous plant species in this impact zone are lower than in other areas. The accumulative capability of plants has probably decreased in the course of selection as an adaptation to the effect of radiation. The viability and growth parameters of Plantago major L. seeds from the EURT zone are similar to those of seeds from the background sample. Cenopopulations chronically exposed to radiation are characterized by a higher mutation rate in the progeny and an unstable response to additional acute irradiation in most characters studied. A high level of inbreeding is observed in all P. major cenopopulations of plantain. The cenopopulation of the impact zone is characterized by a lower variation of allozyme loci, which may be a result of stringent selection for individuals better adapted to the complex of conditions existing in its habitat.
Starting Page	320
Ending Page	328
Page Count	9
File Format	PDF
ISSN	10674136
Journal	Russian Journal of Ecology
Volume Number	36
Issue Number	5
e-ISSN	16083334
Language	English
Publisher	Nauka/Interperiodica
Publisher Date	2005-01-01
Publisher Place	Moscow
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Eastern Ural Radioactive Trace radionuclides cenopopulations Plantago major L viability radiosensitivity mutability of seed progeny allozyme structure Environment Ecology
Content Type	Text
Resource Type	Article
Subject	Ecology, Evolution, Behavior and Systematics

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