Distribution of cadmium, mercury, and lead in different body parts of Baltic herring (Clupea harengus) and perch (Perca fluviatilis): Implications for environmental status assessments

Boalt, Elin; Miller, Aroha; Dahlgren, Henrik

doi:10.1016/j.marpolbul.2013.10.051

Cited by 31 publications

(27 citation statements)

References 46 publications

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“…This finding supports the earlier statements of decreasing temporal trends by the Swedish Museum of Natural History for the period 1969-2011 (Lind et al, 2006;Boalt et al, 2014) and by HELCOM (e.g. HELCOM Secretariat, 2008;Nyberg et al, 2013).…”

Section: Discussionsupporting

confidence: 89%

“…The same tendency has been observed for most analysed fishes from all over the Baltic Sea (e.g. Roots and Simm, 2002;Lind et al, 2006;Leivuori, 2007;HELCOM, 2010;Nyberg et al, 2013;Boalt et al, 2014). In a recent study of herring and flounder from the southern Polish Baltic Sea in 2009, this decline of the concentrations of lead in both species was even more pronounced: for the muscle tissue of herring the mean value was calculated to 0.7 mg kg -1 dwt and for flounder to ca 0.11 mg kg -1 dwt (Pokorska et al, 2012).…”

Section: Discussionsupporting

confidence: 73%

“…mercury and cadmium, the concentrations of lead in coastal fishes from the Baltic Sea have attracted far less attention (e.g. von Westernhagen and Bignert, 1996;Jezierska and Witeska, 2001;Szefer, 2002;Pokorska et al, 2012;Nyberg et al, 2013;Boalt et al, 2014) although effects of this toxic metal on humans (e.g. Guinnee, 1972;Bremner, 1974;Brian et al, 1980;IPCS, 1989;ATSDR, 2005), fishes, mammals, and birds (e.g.…”

Section: Introductionmentioning

confidence: 99%

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Concentrations of lead in some coastal fishes from the Baltic Sea

Voigt¹

2014

Estonian J. Ecol.

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Although the present mean concentrations of lead in various tissues and organs of the investigated coastal Baltic fishes are fairly low (0.05-1.04 mg kg -1 dwt in muscle tissue, 0.05-1.29 mg kg -1 dwt in liver, 0.05-0.95 mg kg -1 dwt in gonads), i.e. lower than in the 1970s, they still indicate a state of pollution in the Baltic Sea. This justifies the monitoring of a selection of species, thus reflecting the contamination of their environment. In the sampling areas chosen for the study, fishes from the coastal waters of both sides of the Gulf of Finland and at the western Estonian coast appeared to be more contaminated with lead than their counterparts from the Finnish Archipelago Sea, the Gulf of Riga, and the Kiel Fjord. For flounder, however, such pattern was not so obvious. The highest concentrations of lead were analysed from perch (muscle 1.04 and liver 1.29 mg kg -1 dwt) from the isolated coastal freshwater reservoir at Pargas-Parainen. Additionally, noteworthy concentrations of lead were calculated for the liver (0.97 mg kg -1 dwt) of eelpout from Muuga and the gonads (0.95 mg kg -1 dwt) of eelpout from Tvärminne, the kidneys (0.58 mg kg -1 dwt) and bile (1.83 mg kg -1 dwt) of flounder from the Kiel Fjord, and the bile (1.54 mg kg -1 dwt) of flounder from the Åland Islands. Nevertheless, all investigated fishes were safe for human consumption.

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Section: Discussionsupporting

confidence: 89%

Section: Discussionsupporting

confidence: 73%

Section: Introductionmentioning

confidence: 99%

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Concentrations of lead in some coastal fishes from the Baltic Sea

Voigt¹

2014

Estonian J. Ecol.

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“…However, this information was lacking in the study of Sures et al [20]. In the parameterisation of the uptake rate of parasites, metal concentrations in the whole fish were estimated from the concentration in muscle, based on significant relationships between metal concentrations in the whole fish and in muscle as reported in previous studies [78,79] and described in the following part. Linear relationships have been found between metal accumulation in the whole fish and in muscle based on the data previously published in other studies [79,80].…”

Section: Methodsmentioning

confidence: 99%

Development and Validation of a Biodynamic Model for Mechanistically Predicting Metal Accumulation in Fish-Parasite Systems

Nachev

Grabner

et al. 2016

PLoS ONE

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Because of different reported effects of parasitism on the accumulation of metals in fish, it is important to consider parasites while interpreting bioaccumulation data from biomonitoring programmes. Accordingly, the first step is to take parasitism into consideration when simulating metal bioaccumulation in the fish host under laboratory conditions. In the present study, the accumulation of metals in fish-parasite systems was simulated by a one-compartment toxicokinetic model and compared to uninfected conspecifics. As such, metal accumulation in fish was assumed to result from a balance of different uptake and loss processes depending on the infection status. The uptake by parasites was considered an efflux from the fish host, similar to elimination. Physiological rate constants for the uninfected fish were parameterised based on the covalent index and the species weight while the parameterisation for the infected fish was carried out based on the reported effects of parasites on the uptake kinetics of the fish host. The model was then validated for the system of the chub Squalius cephalus and the acanthocephalan Pomphorhynchus tereticollis following 36-day exposure to waterborne Pb. The dissolved concentration of Pb in the exposure tank water fluctuated during the exposure, ranging from 40 to 120 μg/L. Generally, the present study shows that the one-compartment model can be an effective method for simulating the accumulation of metals in fish, taking into account effects of parasitism. In particular, the predicted concentrations of Cu, Fe, Zn, and Pb in the uninfected chub as well as in the infected chub and the acanthocephalans were within one order of magnitude of the measurements. The variation in the absorption efficiency and the elimination rate constant of the uninfected chub resulted in variations of about one order of magnitude in the predicted concentrations of Pb. Inclusion of further assumptions for simulating metal accumulation in the infected chub led to variations of around two orders of magnitude in the predictions. Therefore, further research is required to reduce uncertainty while characterising and parameterising the model for infected fish.

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“…Metal concentrations are usually measured in muscle or liver samples but whole fish concentrations might reflect the environmental status better (Boalt et al 2014). A removal of biomass e.g.…”

Section: Pb Hgmentioning

confidence: 99%

Factors affecting metal and radionuclide pollution in the Baltic sea

Lodenius

2016

European Journal of Environmental Sciences

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External pollution load in the Baltic Sea originates from urban, agricultural and industrial sources. Emissions of heavy metals have decreased substantially in the catchment area but the temporal trends are not always significant and differ with sample, area and pollutant. The most significant source of anthropogenic radioactivity in the Baltic Sea is fallout from the Chernobyl accident in 1986. Many factors affect the future development of pollutant concentrations including anthropogenic emissions, political decisions and changes in salinity, temperature and water currents, in eutrophication and oxygen status, in fisheries and in atmospheric deposition of pollutants. Large scale changes like eutrophication and climate change affect ecosystems in many ways, directly and indirectly, causing biological and abiotic effects. These factors are interrelated and difficult to predict. Measures aiming to enhance the ecological status of the Baltic Sea will certainly give positive results but this will take at least several decades.

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Distribution of cadmium, mercury, and lead in different body parts of Baltic herring (Clupea harengus) and perch (Perca fluviatilis): Implications for environmental status assessments

Cited by 31 publications

References 46 publications

Concentrations of lead in some coastal fishes from the Baltic Sea

Concentrations of lead in some coastal fishes from the Baltic Sea

Development and Validation of a Biodynamic Model for Mechanistically Predicting Metal Accumulation in Fish-Parasite Systems

Factors affecting metal and radionuclide pollution in the Baltic sea

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