- Tytuł:
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Metale ciężkie w minogu rzecznym Lampetra fluviatilis (L. 1758)
Heavy metals in the riverine Lamprey lampetra fluviatilis (L. 1758) - Autorzy:
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Protasowicki, M.
Ciemniak, A.
Mamińska, M. - Powiązania:
- https://bibliotekanauki.pl/articles/1819579.pdf
- Data publikacji:
- 2011
- Wydawca:
- Politechnika Koszalińska. Wydawnictwo Uczelniane
- Tematy:
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metale ciężkie
minog rzeczny
heavy metals
river lamprey - Opis:
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Celem niniejszej pracy było określenie zawartości wybranych metali ciężkich (Hg, Cd, Pb, Cu i Zn) w minogu rzecznym (Lampetra fluviatilis), porównanie zawartości metali w zależności od miejsca połowu i płci oraz wykazanie, które spośród badanych narządów kumulują je w największych ilościach.
Despite numerous studies of metals in ichthyofauna, research lampreys which, as Agnatha, not belong formally to the fish, although they are of interest to ichthyolgists are still very few. The purpose of this study was to determine the content of selected heavy metals (Hg, Cd, Pb, Cu and Zn) in the riverine lamprey (Lampetra fluviatilis), the comparison of metal content depending on the location of catches and sex, and to demonstrate which of the examined organs accumulate them in the largest quantities. The study included females and males from the river Odra and the Vistula, weighing from 61 to 198 grams and total length from 313 to 482 mm. For analysis muscles, gonads and gill bags were collected. Samples for the determination of mercury were wet mineralized in a mixture of concentrated nitric and perchloric acids, and for analysis of other metals in nitric acid by microwave technique. Analyse of Hg content was performed by CV AAS, Cd and Pb by GF AAS method, and Cu and Zn by ICP-AES. It has been shown that the gonads of the Odra river lampreys contained more mercury and zinc, gill bags more of cadmium and lead, than those organs of lampreys from the Vistula. Metal content in the other cases was the same. Female gonads also contained more zinc than the male gonads, and the levels of this element in both sexes slightly correlated (r = 0.453) with the mass of the gonads. High levels of zinc in the gonads is probably associated with its role in the processes of reproduction. Generally, the lowest metal concentration, except mercury, contained muscle, a lot was accumulated in the respiratory system responsible for direct down-loading of the elements from the water. There were no statistically significant relationship between the level of the analyzed metals in the organs, and body weight and total length of lampreys (correlation coefficients of r <0.365). - Źródło:
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Rocznik Ochrona Środowiska; 2011, Tom 13; 1223-1232
1506-218X - Pojawia się w:
- Rocznik Ochrona Środowiska
- Dostawca treści:
- Biblioteka Nauki
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