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ТОКСИЧНІ МЕТАЛИ В РИБІ ТА МОЛЮСКАХ ПРИБЕРЕЖНИХ ВОД ОСТРОВУ ЗМІЇНИЙ

ТОКСИЧНІ МЕТАЛИ В РИБІ ТА МОЛЮСКАХ ПРИБЕРЕЖНИХ ВОД ОСТРОВУ ЗМІЇНИЙ

Abstract

The aim of this paper is to determinate the levels of pollution in fish and molluscs mass species by Toxic metals (TM) such as Cd, Cu, Hg, Pb, Zn, Сo, Ni, Cr, Fe, Mn for filling gaps in evaluation of descriptor 9 (contaminants in fish and other seafood).Material for analysis comprised results of determination of TM in the tissues samples of mass species of fish and mollusks in the Zmiinyi Island coastal waters in 2012-2014.In total we sampled and processed 28 fish and 20 mollusks samples using national and internationals methods. In the framework of the PER SEUS Project the data on TMs content in fish and molluscs mass species in the Zmiinyi Island area of the Black Sea (40 km from the Danube Delta) were collected for the first time.Analysis of soft tissue samples of molluscs and fish mass species collected has revealed the periodically high TMs concentrations in the samples. It has been shown that the maximal concentrations of TMs were registered in samples of mussel soft tissues, as well as in the samples of mollusc-eating hydrobionts – rapa whelk and round goby. The concentrations of TMs in the samples of other bottom fish, such as grey wrasse and sole, feeding mainly on benthic crustaceans, were significantly lower, and in anchovy (pelagic migratory species) individuals’ soft tissues was minimal. We concluded that the level of pollution in hydrobionts depends significantly on the feeding schemes of each particular species. The maximal pollution levels for practically all hydrobionts were observed in 2012 (the year of heavy precipitation and the highest runoff of the Danube River). 

Представлены и проанализированы результаты определения токсических металлов (ТМ) в массовых видах рыб и моллюсков в 2012-2014 годах, которые были выполнены в рамках проекта PER SEUS вблизи острова Змеиный, расположенного в северо-западной части Черного моря в 40 км от дельты Дунаю. Показано, что в образцах мягких тканей массовых видов моллюсков (мидия и рапана) и рыб (бычок-кругляк, морская собачка, зеленушка, морской язык и анчоус), собранных в прибрежных водах острова, периодически регистрировались высокие концентрации токсических них металлов (мышьяк, медь, цинк, никель, железо и марганец), которые часто превышали предельно-допустимые концентрации.

Представлені і проаналізовані результати визначення токсичних металів (ТМ) в масових видах риб та молюсків в 2012-2014 роках, що були виконані в рамках проекту PER SEUS поблизу острова Зміїний, розташованого в північно-західної частині Чорного моря в 40 км від дельти Дунаю. Показано, що у зразках м’яких тканин масових видів молюсків (мідія та рапана) і риб (бичок-кругляк, морська собачка, зеленушка, морський язик і анчоус), зібраних в прибережних водах острову, періодично реєструвались високі концентрації токсичних металів (миш’як, мідь, цинк, нікель, залізо та марганець), які часто перевищували гранично дозволені концентрації.

Keywords

Чорне море; острів Зміїний; PER SEUS; токсичні метали; риби; молюски, Black Sea; Zmiinyi Island; PER SEUS; Toxic Metals; fish; molluscs, Черное море; остров Змеиный; PER SEUS; токсические металлы; рыбы; моллюски

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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