A case study of PAH contamination using blue mussels as a bioindicator in a small Greenlandic fishing harbor
2021
Poulsen, Rikke | Gravert, Thorsten Klaus Otto | Tartara, Arianna | Bensen, Henriette Kornmaaler | Gunnarsen, Klara Cecilia | Dicová, Kristína | Nielsen, Nikoline Juul | Christensen, Jan Henning
This study investigated the impact of local anthropogenic activity on the marine environment around the remote harbor of Qeqertarsuaq, West Greenland. Blue mussels (Mytilus sp.) were used as a bioindicator, and their physiological condition was found to decrease with increasing proximity to the harbor. Subsequently, the distribution of 19 polycyclic aromatic hydrocarbons (PAHs) and 9 groups of alkylated PAHs were measured in mussel and sediment samples. The highest values were found in a rocky collection area 15 m from a wooden pier frequented by small boats. A PAH source investigation, indicated a mixed source from light fuel oils and creosote used as boat coating. Finally, correlations between the mussels morphological condition and the PAH pollution were found to be significant for 4-, 5-, and 6-ring PAHs. In conclusion, the results indicate that pollution sources in harbors have significant effects on the local environment and should be considered in arctic conservation research.
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