Seasonal peculiarities of PCDD/Fs levels in bank voles inhabiting sites in the vicinity of the landfill with municipal wastes (Moscow, Russia)

Roumak, V.S.; Popov, V.S.; Shelepchikov, A.A.; Osipova, O.V.; Umnova, N.V.

Авторы: Roumak Vladimir S., Popov Vladimir S., Shelepchikov Andrey A., Osipova Olga V., Umnova Nataliya V.
Журнал: Environmental Science and Pollution Research
Год издания: 2022
Издательство: Springer Nature
Местоположение издательства: Switzerland
DOI: 10.1007/s11356-022-19602-3
Аннотация: Differences in PCDD/Fs concentrations were registered among adult bank voles (Myodes glareolus) inhabiting forest in the vicinity of the Landfill Salariyevo (Moscow, Russia) and caught in early spring (over-winter survivors) and late summer. The levels of highly toxic congeners and WHO-TEQ05 in samples of wintering voles were much lower than those in samples got in summer. This difference was investigated analyzing PCDD/Fs in sexually matured animals and offspring obtained in vivarium. Practically no significant differences of PCDD/Fs concentrations and general toxicity were revealed among sexes, small increase was observed in litters. The main impact to these seasonal differences in PCDD/Fs accumulation was assigned to the types of functional development and activity, diet variation as natural growth of all voles occurs on the same territory but in seasonally diverse conditions. So, the species functional ecology (lifestyle and seasonal features) should be considered in practical application of animal models from natural populations for local monitoring of PCDD/Fs body burden, and individual functional type of ontogenesis among cyclomorphic mammalian species, especially. Thus, the results obtained during monitoring should be carefully interpreted for a proper environmental management.
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Seasonal peculiarities of PCDD/Fs levels in bank voles inhabiting sites in the vicinity of the landfill with municipal wastes (Moscow, Russia)статья Электронная публикация

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