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Mytilus galloprovincialis as a bioindicator of environmental conditions : the case of the eastern coast of the Adriatic Sea


Kanduč, Tjaša; Medaković, Davorin; Hamer, Bojan
Mytilus galloprovincialis as a bioindicator of environmental conditions : the case of the eastern coast of the Adriatic Sea // Isotopes in environmental and health studies, 47 (2011), 1; 42-61 doi:10.1080/10256016.2011.548866 (međunarodna recenzija, članak, znanstveni)


Naslov
Mytilus galloprovincialis as a bioindicator of environmental conditions : the case of the eastern coast of the Adriatic Sea

Autori
Kanduč, Tjaša ; Medaković, Davorin ; Hamer, Bojan

Izvornik
Isotopes in environmental and health studies (1025-6016) 47 (2011), 1; 42-61

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Mytilus galloprovincialis; bioindicator; mussel shells; carbon-13; oxygen-18; biogeochemistry; isotope ecology; heavy metals; Adriatic Sea

Sažetak
The marine mussel Mytilus galloprovincialis lives attached to the surface of hard substrata, where its exposure and relative immobility allow it to record changes in ambient seawater. It is also found along the eastern coast of the Adriatic Sea. Oxygen and carbon isotopes were analysed for calcite and aragonite in separate shell layers, while major, minor and trace elements in the bulk shell were analysed to evaluate environmental conditions such as the temperature of carbonate deposition, freshwater influence and locations of anthropogenic pollution. We found that, on average, aragonite is enriched by 1.1‰ in 13C and by 0.2‰ in 18O compared with calcite. The calculated temperatures for M. galloprovincialis shell growth from the investigated area range from 13.4 to 20.9 ◦C for calcite and from 16.6 to 23.1 ◦C for aragonite. According to the δ18O and δ13C values of shell layers, we can separate the investigated area into three locations: those with more influence of freshwater, those with less influence of freshwater and those with marine environments. The highest concentrations of manganese, barium, boron, arsenic, nickel and chromium were observed in shells from Omiš, Bačvice and Zablaće (Central Adriatic) and Sv. Ivan (South Adriatic), where chemical and heavy industries are located and where sewage is known to be discharged into coastal areas. The highest concentrations of zinc, lead and copper were measured in samples from Pula, Rijeka and Gruž, where there are also ports in addition to industry.

Izvorni jezik
Engleski

Znanstvena područja
Geologija



POVEZANOST RADA


Projekt / tema
098-0982705-2724 - Učinak zagađenja na programirane biosinteze morskih beskralješnjaka (Renato Batel, )
098-0982705-2727 - Procesi biomineralizacije morskih organizama (Davorin Medaković, )

Ustanove
Institut "Ruđer Bošković", Zagreb

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus
  • MEDLINE


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