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Estimation of freshwater influx along the eastern Adriatic coast as a possible source of stress for marine organisms

Bojan Hamer   ORCID icon orcid.org/0000-0002-3142-8128 ; Ruđer Bošković Institute, Center for Marine Research, Giordano Paliaga 5, 52210 Rovinj, Croatia
Davorin Medaković ; Ruđer Bošković Institute, Center for Marine Research, Giordano Paliaga 5, 52210 Rovinj, Croatia
Dijana Pavičić-Hamer ; Ruđer Bošković Institute, Center for Marine Research, Giordano Paliaga 5, 52210 Rovinj, Croatia
Željko Jakšić   ORCID icon orcid.org/0000-0002-0882-6929 ; Ruđer Bošković Institute, Center for Marine Research, Giordano Paliaga 5, 52210 Rovinj, Croatia
Mauro Štifanić ; Ruđer Bošković Institute, Center for Marine Research, Giordano Paliaga 5, 52210 Rovinj, Croatia
Vedrana Nerlović ; Ruđer Bošković Institute, Center for Marine Research, Giordano Paliaga 5, 52210 Rovinj, Croatia
Ana Travizi ; Ruđer Bošković Institute, Center for Marine Research, Giordano Paliaga 5, 52210 Rovinj, Croatia
Robert Precali ; Ruđer Bošković Institute, Center for Marine Research, Giordano Paliaga 5, 52210 Rovinj, Croatia
Tjaša Kunduč ; Jožef Štefan Institute, Jamova 39, 1000 Ljubljana, Slovenia

Puni tekst: engleski, pdf (618 KB) str. 181-194 preuzimanja: 366* citiraj
APA 6th Edition
Hamer, B., Medaković, D., Pavičić-Hamer, D., Jakšić, Ž., Štifanić, M., Nerlović, V., ... Kunduč, T. (2010). Estimation of freshwater influx along the eastern Adriatic coast as a possible source of stress for marine organisms. Acta Adriatica, 51 (2), 181-194. Preuzeto s https://hrcak.srce.hr/64366
MLA 8th Edition
Hamer, Bojan, et al. "Estimation of freshwater influx along the eastern Adriatic coast as a possible source of stress for marine organisms." Acta Adriatica, vol. 51, br. 2, 2010, str. 181-194. https://hrcak.srce.hr/64366. Citirano 15.11.2019.
Chicago 17th Edition
Hamer, Bojan, Davorin Medaković, Dijana Pavičić-Hamer, Željko Jakšić, Mauro Štifanić, Vedrana Nerlović, Ana Travizi, Robert Precali i Tjaša Kunduč. "Estimation of freshwater influx along the eastern Adriatic coast as a possible source of stress for marine organisms." Acta Adriatica 51, br. 2 (2010): 181-194. https://hrcak.srce.hr/64366
Harvard
Hamer, B., et al. (2010). 'Estimation of freshwater influx along the eastern Adriatic coast as a possible source of stress for marine organisms', Acta Adriatica, 51(2), str. 181-194. Preuzeto s: https://hrcak.srce.hr/64366 (Datum pristupa: 15.11.2019.)
Vancouver
Hamer B, Medaković D, Pavičić-Hamer D, Jakšić Ž, Štifanić M, Nerlović V i sur. Estimation of freshwater influx along the eastern Adriatic coast as a possible source of stress for marine organisms. Acta Adriatica [Internet]. 2010 [pristupljeno 15.11.2019.];51(2):181-194. Dostupno na: https://hrcak.srce.hr/64366
IEEE
B. Hamer, et al., "Estimation of freshwater influx along the eastern Adriatic coast as a possible source of stress for marine organisms", Acta Adriatica, vol.51, br. 2, str. 181-194, 2010. [Online]. Dostupno na: https://hrcak.srce.hr/64366. [Citirano: 15.11.2019.]

Sažetak
Seawater salinity changes and thermal stress have been considered to be among the most important determinants of rocky intertidal zone organism distribution. The aim of present study was to determine the freshwater influx and evaluate the mussel Mytilus galloprovincialis shells as indicators of natural environmental conditions by comparing δ13C of shell carbonate layers with seawater salinity and tem- perature values measured over the 1998-2007 period. Our results show that the salinity was relatively constant in the open sea, with typical values of the northern and southern Adriatic being 37.65 ± 0.40 and 38.37 ± 0.19 respectively. It varied in intertidal zones, estuaries, locations close to under-sea freshwa- ter springs and during rainy days in closed lagoons on different locations along eastern Adriatic coast. Sa- linity and temperature variations at investigated sites showed freshwater influx which was also reflected in lower δ13C values of mussel M. galloprovincialis shell carbonates. Based on the measured parameters, three groups of locations in the investigated area (25 locations) can be defined: locations with strong to medium freshwater influence (9), with minor freshwater influence (6) and marine environment locations (10). Our results confirm that mussel M. galloprovincialis responds sensitively to subtle changes in the environmental conditions. Results of the isotopic analyses presented in this study support the hypothesis that the δ13C in mussel’s shell might be used as an indicator of environmental salinity conditions and hypo-osmotic stress. Therefore such investigations might represent an additional tool for waste water management and environmental protection.

Ključne riječi
salinity; temperature; stable carbon isotopes; shell; Mytilus galloprovincialis; biomonitoring

Hrčak ID: 64366

URI
https://hrcak.srce.hr/64366

[hrvatski]

Posjeta: 789 *