Heavy metals in Southern Baltic fish: present situation and future trends

Herring (Clupea harengus) and cod (Gadus morhua) from three Southern Baltic areas were studied. Mercury content was determined with CV AAS and assays of the remaining metals were carried out with flame AAS. A correlation between the fishing area and contents of Hg, Cd, Cu, and Zn in fish tissues was...

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Main Author: M. Protasowicki
Format: Article
Language:English
Published: Pensoft Publishers 1991-12-01
Series:Acta Ichthyologica et Piscatoria
Online Access:https://aiep.pensoft.net/article/25326/download/pdf/
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author M. Protasowicki
author_facet M. Protasowicki
author_sort M. Protasowicki
collection DOAJ
description Herring (Clupea harengus) and cod (Gadus morhua) from three Southern Baltic areas were studied. Mercury content was determined with CV AAS and assays of the remaining metals were carried out with flame AAS. A correlation between the fishing area and contents of Hg, Cd, Cu, and Zn in fish tissues was revealed. Interspecific differences are considered as well. A noticeable decrease in Hg, Cd, Pb, and Cr and an increase in Cu and Zn can be observed over the recent several years in certain organs of herring and cod. In most cases, the changes taking place are better described by curvilinear (logarithmic) equation than by a linear one. Correlations between contents of different metals in fish organs were detected, which points out to interactions between the metals during their uptake and release.
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spelling doaj.art-3205777d936b4d34960b821d8c6369fc2022-12-22T00:33:47ZengPensoft PublishersActa Ichthyologica et Piscatoria1734-15151991-12-0121S30130910.3750/AIP1991.21.S.3125326Heavy metals in Southern Baltic fish: present situation and future trendsM. ProtasowickiHerring (Clupea harengus) and cod (Gadus morhua) from three Southern Baltic areas were studied. Mercury content was determined with CV AAS and assays of the remaining metals were carried out with flame AAS. A correlation between the fishing area and contents of Hg, Cd, Cu, and Zn in fish tissues was revealed. Interspecific differences are considered as well. A noticeable decrease in Hg, Cd, Pb, and Cr and an increase in Cu and Zn can be observed over the recent several years in certain organs of herring and cod. In most cases, the changes taking place are better described by curvilinear (logarithmic) equation than by a linear one. Correlations between contents of different metals in fish organs were detected, which points out to interactions between the metals during their uptake and release.https://aiep.pensoft.net/article/25326/download/pdf/
spellingShingle M. Protasowicki
Heavy metals in Southern Baltic fish: present situation and future trends
Acta Ichthyologica et Piscatoria
title Heavy metals in Southern Baltic fish: present situation and future trends
title_full Heavy metals in Southern Baltic fish: present situation and future trends
title_fullStr Heavy metals in Southern Baltic fish: present situation and future trends
title_full_unstemmed Heavy metals in Southern Baltic fish: present situation and future trends
title_short Heavy metals in Southern Baltic fish: present situation and future trends
title_sort heavy metals in southern baltic fish present situation and future trends
url https://aiep.pensoft.net/article/25326/download/pdf/
work_keys_str_mv AT mprotasowicki heavymetalsinsouthernbalticfishpresentsituationandfuturetrends