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Short communication, Note

Range expansion of the non-native oyster Crassostrea gigas in the Adriatic Sea

Tanja ŠEGVIĆ-BUBIĆ ; Institute of Oceanography & Fisheries, Šetalište Ivana Meštrovića 63, 21000 Split, Croatia
Leon GRUBIŠIĆ ; Institute of Oceanography & Fisheries, Šetalište Ivana Meštrovića 63, 21000 Split, Croatia
Snježana ZRNČIĆ ; Laboratory for Fish Pathology, Department for Pathology, Croatian Veterinary Institute, Savska c. 143, 10000 Zagreb, Croatia
Slaven JOZIĆ ; Institute of Oceanography & Fisheries, Šetalište Ivana Meštrovića 63, 21000 Split, Croatia
Iva ŽUŽUL ; Institute of Oceanography & Fisheries, Šetalište Ivana Meštrovića 63, 21000 Split, Croatia
Igor TALIJANČIĆ ; Institute of Oceanography & Fisheries, Šetalište Ivana Meštrovića 63, 21000 Split, Croatia
Dražen ORAIĆ ; Laboratory for Fish Pathology, Department for Pathology, Croatian Veterinary Institute, Savska c. 143, 10000 Zagreb, Croatia
Marko RELIĆ ; Department of Aquaculture, University of Dubrovnik, Ćira Carića 4, 20000 Dubrovnik, Croatia
Ivan KATAVIĆ ; Institute of Oceanography & Fisheries, Šetalište Ivana Meštrovića 63, 21000 Split, Croatia


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Abstract

The Pacific oyster, Crassostrea gigas, was introduced into the Europe in the late 1960s for aquaculture purposes and has since spread extensively in Mediterranean waters. For the first time,
screening of the four ecologically most suitable bays along the Eastern Adriatic coast was conducted to detect the possible presence of non-native oysters. Sequencing analysis of a fragment of
mitochondrial 16S rRNA was examined to demonstrate the presence of the exotic species C. gigas in the natural environments of the northern and central coastal areas of the eastern Adriatic. The
likely routes of invasion are discussed and the importance of monitoring the distribution of feral C. gigas populations emphasized, with a focus on the potential direct and indirect effects on the native
European flat oyster, Ostrea edulis.

Keywords

Pacific oyster, invasion,, Adriatic Sea, ecological impact, European flat oyster

Hrčak ID:

171662

URI

https://hrcak.srce.hr/171662

Article data in other languages: croatian

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