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Bacterial contamination of fishes in east part of the Gulf of Finland of the Baltic Sea in the conditions of anthropogenic pressure

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Author
Belozerova, D.V.
Repina, O.I.
Vishnyakova, L.A.
Kagukina, S.A.
Publication Editor
Bogachev, A.N.
Belousov, V.N.
Kornienko, G.G.
Boyko, N.E.
Date
2018

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Alternative Title
Бактериальная контаминация рыб в восточной части Финского залива Балтийского моря в условиях антропогенной нагрузки
Abstract
The results of assessment of bacterial contamination of commercial fish species are given for the east part of the Gulf of Finland in the conditions of anthropogenic pressure. Microbiological research studies were conducted in 2011–2017 in water areas of the Luga Bay, the Vyborg Gulf, northern coastal waters, shallow and deep-water areas. Targets of the research were fishes of marine and freshwater (semi-anadromous) species. The analysis of the obtained data revealed that the microflora of fishery targets does not meet the sanitary standards, which characterized fish raw materials as unsafe and was indicative of bacterial pollution of the water environment, including fecal one. The occurrence in 2011–2014 of the identified opportunistic and pathogenic microorganisms demonstrated existence of sources of insufficiently cleaned and disinfected drains; their absence was a positive aspect of the further observations. The performed work confirms the importance and informational significance of research studies on bacterial pollution of the fish fauna as a part of environmental monitoring of the biota of a reservoir in the context of anthropogenic influence.
В работе приведены результаты оценки бактериальной контаминации промысловых рыб в восточной части Финского залива в условиях антропогенной нагрузки. Микробиологические исследования проводили в 2011–2017 гг. в акваториях Лужской губы, Выборгского залива, северного прибрежья, мелководном и глубоководном районах. Объектами исследования являлись рыбы морских и пресноводных (полупроходные формы) видов. Анализ полученных данных выявил несоответствие микрофлоры объектов рыболовства нормативам санитарно-показательной группы в большинстве случаев, что характеризовало рыбное сырье как небезопасное и указывало на бактериальное загрязнение водной среды, в т. ч. фекальное. Встречаемость в 2011–2014 гг. идентифицируемых условно-патогенных и патогенных микроорганизмов свидетельствовала о наличии источников недостаточно очищенных и обеззараженных стоков, положительным аспектом дальнейших наблюдений явилось их отсутствие. Выполненная работа подтверждает значимость и информативность исследований бактериального загрязнения ихтиофауны, как части экологического мониторинга биоты водоема при антропогенном воздействии.
Pages
pp.260-262
Publisher or University
Azov Sea Research Fisheries Institute (AzNIIRKH)
Conference Name
Current issues of fisheries, fish breeding (aquaculture), and ecological monitoring of aquatic ecosystems
Conference Location
Rostov-on-Don, Russia
Conference Date
11-12 December 2018
URI
http://hdl.handle.net/1834/15375
Collections
AzNIIRKH Conference Proceedings 2018 (Anniversary Issue)

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