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Title:	Contamination by persistent organic pollutants of invasive species from the Baltic Sea region
Authors:	Szaniawska Anna Normant Monika Sapota Grażyna
Abstract:	The aim of this work was to establish the level of pollution by selected POPs (seven PCBs, DDT and its metabolites, HCH isomers, HCB) of the invasive species from the Gulf of Gdańsk and the Vistula Lagoon. The investigated species were the round goby (Neogobius melanostomus – fish originating from the Ponto-Caspian region), the Chinese mitten crab (Eriocheir sinensis from China), and the American crayfish (Orconectes limosus from North America). These species belong to different systematic groups and originate from various parts of the world. The levels of toxic substances were analyzed in the muscle tissue of the fish and the whole body of the crustaceans using capillary gas chromatography (GC). The level of POPs determined in the round goby was very low, despite high lipid concentration. The average values of ΣHCH, ΣDDT, and ΣPCBs in the muscle tissue of the round goby were 6 ng g^-1 l.w., 187 ng g^-1 l.w. and 391 ng g^-1 l.w., respectively. The average values of ΣHCH, ΣDDT, and ΣPCBs in the analyzed crustaceans were: for the American crayfish - 6 ng g^-1 l.w., 58 ng g^-1 l.w., and 100 ng g^-1 l.w; for the Chinese mitten crab - 20 ng g^-1 l.w., 163 ng g^-1 l.w. and 289 ng g^-1 l.w.
DOI:
Type of paper:	Original research paper
Pages:	239 to 248
Cytation:	Sapota G., Szaniawska A., Normant M., 2005, Contamination by persistent organic pollutants of invasive species from the Baltic Sea region, Ocean. Hydrob. Studies, 34(Supl. 1): 239-248
Keywords:	POPs, Neogobius melanostomus, Eriocheir sinensis, Orconectes limosus, the Baltic Sea
Year:	2005
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