Trace elements in mediterranean mussels Mytilus galloprovincialis from the South African West Coast

• Autorzy: Bezuidenhout J. , Dames N. , Botha A. , Goryainova Z. I. , Dmitry Pavlov D. , Frontasyeva M. V.

Identyfikatory

DOI

10.1515/eces-2015-0028

Warianty tytułu

PL

Pierwiastki śladowe w śródziemnomorskich małżach Mytilus galloprovincialis z Południowego Wybrzeża Afryki Zachodniej

• Języki publikacji: EN

Abstrakty

EN

Invasive bivalve molluscs, Mediterranean mussels (Mytilus galloprovincialis) were used as sentinel biomonitors of pollution by inorganic contaminants in Saldanha Bay and the Langebaan Lagoon area of South Africa. Two complementary analytical techniques, ICP-MS and NAA, allowed for determination of concentrations of 31 major and trace elements including heavy metals and arsenic in the soft tissues of the mussels. Distinct seasonal patterns were found in the dynamics of these concentrations, with the mussels accumulating much more trace elements in winter than in the summer. In general, the mussels that grew naturally also demonstrated higher concentrations of As, Cd, Fe, Hg and Zn than those that were farmed. Fe showed the highest levels with a maximum concentration of 444 mg/kg followed by Zn with a maximum of 228 mg/kg. The concentrations of Mn and Pb were significantly higher in the Port of Saldanha close to the jetty where ores containing these metals are loaded in comparison with the other sampling sites. It was concluded that bivalve molluscs present themselves as effective biomonitors when assessing marine aquatic pollution by inorganic contaminants in the Saldanha Bay region.

PL

Inwazyjne małże śródziemnomorskie (Mytilus galloprovincialis) zostały wykorzystane jako biomonitor zanieczyszczenia związkami nieorganicznymi w Zatoce Saldanha i okolicy laguny Langebaan w Południowej Afryce. Dwie uzupełniające się techniki analityczne, ICP-MS i NAA, pozwoliły na określenie stężenia 31 głównych i śladowych pierwiastków, w tym metali ciężkich i arsenu w tkankach miękkich małży. Stwierdzono wyraźne sezonowe zmiany wartości stężeń analitów w małżach, które gromadzą o wiele więcej pierwiastków śladowych w zimie niż w lecie. Na ogół w małżach dzikich obserwowano większe stężenie As, Cd, Hg, Fe i Zn niż w hodowlanych. Wśród oznaczonych pierwiastków największe stężenie osiągnęło Fe, z maksymalnym stężeniem 444 mg/kg, a następnie cynk z maksimum 228 mg/kg. W porównaniu do innych miejsc pobierania próbek, stężenia Mn i Pb były istotnie większe w pobliżu molo w porcie Saldanha, gdzie są załadowywane rudy zawierające te metale. Stwierdzono, że małże są skutecznym biomonitorem zanieczyszczenia związkami nieorganicznymi morskiego środowiska wodnego w regionie Zatoki Saldanha.

Słowa kluczowe

EN

Inductivity Coupled Plasma-Mass spectrometry; heavy metals; trace elements; neutron activation analysis; bivalve molluscs; Mytilus galloprovincialis; Saldanha Bay area

PL

biomonitoring; spektrometria mas sprzężona z plazmą wzbudzaną indukcyjnie; metale ciężkie; pierwiastki śladowe; neutronowa analiza aktywacyjna; małże; Mytilus galloprovincialis; region Zatoki Saldanha

• Wydawca: Towarzystwo Chemii i Inżynierii Ekologicznej
• Czasopismo: Ecological Chemistry and Engineering. S
• Rocznik: 2015
• Tom: Vol. 22, nr 4
• Strony: 489--498
• Opis fizyczny: Bibliogr. 20 poz., wykr., rys.

Twórcy

autor

Bezuidenhout J.

• School for Science and Technology, Faculty of Military Science, Stellenbosch University, South Africa, phone [phone], fax [phone]

autor

Dames N.

• Department of Microbiology, Stellenbosch University, South Africa, phone [phone], fax [phone]

autor

Botha A.

• Department of Microbiology, Stellenbosch University, South Africa, phone [phone], fax [phone]

autor

Goryainova Z. I.

• Sector of Neutron Activation Analysis and Applied Research, Division of Nuclear Physics, Frank Laboratory of Neutron Physics, Joint Institute for Nuclear Research, str. Joliot Curie, 6, 141980, Dubna, Moscow Region, Russian Federation, phone [phone]; fax [phone]

autor

Dmitry Pavlov D.

• I.D. Papanin Institute of the Biology of Inland Waters, Russian Academy of Sciences, 152742, Borok, Yaroslavl’ Region, Russian Federation, phone/fax [phone]

autor

Frontasyeva M. V.

• Sector of Neutron Activation Analysis and Applied Research, Division of Nuclear Physics, Frank Laboratory of Neutron Physics, Joint Institute for Nuclear Research, str. Joliot Curie, 6, 141980, Dubna, Moscow Region, Russian Federation, phone [phone]; fax [phone]

Bibliografia

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