Russian Journal of Ecology, Vol. 3 I, No. 2, 2000, pp. 132-135. Translated from Ekologiya, No. 2, 2000, pp. 151-154. Original Russian Text Copyright 9 2000 by Prosyannikov, Silaev, Koshelev. Specific Ecological Features of 137Cs Behavior in River Floodplains E. V. Prosyannikov, A. L. Silaev, and I. A. Koshelev Bryansk State Agricultural Academy, Kokino, Vygonichskii raion, Bryansk oblast, 243365 Russia Received February 15, 1999 Key words: 137Cs, floodplain ecosystems, subsystems, adaptive approach for safe use. The floodplain is an ecological system consisting of The forms of ~3VCs were determined by step-by-step several floodplain ecological subsystems (FES) distin- treatment of soil samples with the following desorbents: guished by a complex of natural conditions, such as loca- distilled water at room temperature (extracts water-solu- tion in the river valley, lithology, relief, hydrology, soil, ble forms); 1 N aqueous solution of ammonium acetate type of herbaceous vegetation, etc. (Fig. 1). Under field at room temperature (exchangeable forms); 1 N HC1 at conditions, a convenient integral diagnostic parameter room temperature (poorly exchangeable forms); 3 N for specification of FES is the type of herbaceous vege- HCI (nonexchangeable forms). The residue insoluble in tation. the aforementioned agents contained firmly bound forms. The study was
Russian Journal of Ecology – Springer Journals
Published: Feb 1, 2008
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