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Effect of Acute Gamma Radiation on some Physiological Features of Lichens

Published online by Cambridge University Press:  28 March 2007

M. G. Nifontova ,
A. P. Ravinskaya  and
I. A. Shapiro
M. G. Nifontova
Affiliation:
Institute of Plant and Animal Ecology, Ekaterinburg, 620008, Russia.
A. P. Ravinskaya
Affiliation:
Komarov Botanical Institute, St. Petersburg, 197376, Russia.
I. A. Shapiro
Affiliation:
Komarov Botanical Institute, St. Petersburg, 197376, Russia.
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Abstract

The influence of acute gamma radiation on four physiological characteristics of lichens was investigated. Membrane permeability in irradiated thalli of Cladonia arbuscula, Cetraria islandica and Hypogymnia physodes increased considerably compared to controls. The nitrogen content in Peltigera aphthosa appeared to be stable to acute gamma radiation. Up to 1000 Gy there was no essential decrease in respiration intensity in H. physodes and P. aphthosa or of peroxidase activity in P. aphthosa..

Type
Research Article
Information
The Lichenologist , Volume 27 , Issue 3 , May 1995 , pp. 215 - 224
Copyright
Copyright © British Lichen Society 1995

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