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 SM ISO690:2012OUDALOVA, A., GERASKIN, S., EVSEEVA, T., DIKAREV, V.. Application of bioindication approach for an assessment of combined technogenic impacts on the environment. In: Ecological Chemistry, Ed. 3rd, 20-21 mai 2005, Chişinău. Chișinău, Republica Moldova: Tipografia Academiei de Ştiinţe a Moldovei, 2005, 3rd, pp. 429-430. ISBN 9975-62-133-3. |
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| Ecological Chemistry 3rd, 2005 |
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Conferința "Ecological Chemistry" 3rd, Chişinău, Moldova, 20-21 mai 2005 | ||||||
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Contamination of the environment has become a worldwide problem. A clear understanding of all the dangers posed by environmental pollutants to both human health and ecologic systems are needed. Information on the environment quality based on measurements of some common contaminants’ content in air, water or soil is often far from exhaustive, in particular, since a number of existing and newly generated xenobiotics in the environment always overwhelms measurement capacities of official controlling services. Only an application of living organism as an indicator of the environment quality can give an estimate of anthropogenic impact in biologically valid terms and take into account all the cumulative pool of pollutants including possible antagonisms or synergisms. Results of laboratory, “green-house” and long-term field experiments carried out on different plant species to study ecotoxical effects of low doses and concentrations of most common environmental pollutants are presented. Special attention is paid to ecotoxic effects of chronic low dose exposures, synergistic and antagonistic effects of different factors’ combined action. An application of cytogenetic effects bioindication to analyze the environment quality is illustrated on examples of territories influenced by an industrial activity of a radioactive wastes storage facility and underground nuclear weapons testing. The data presented suggest that a development of a theoretical bases and practical procedures for environmental protection should take into account such newly confirmed facts as the nonlinearity of a dose-effect relationship, induced genomic instability, modifications of population resistance and genetic structure, increased probability of synergetic and antagonistic effects of the combined action of different nature factors. |
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