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

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 detec...

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Veröffentlicht in:Acta Adriatica 2016-12, Vol.57 (2), p.321-330
Hauptverfasser: Segvic-Bubic, T, Grubisic, L, Zrncic, S, Jozic, S, Zuzul, I, Talijancic, I, Oraic, D, Relic, M, Katavic, I
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Sprache:eng
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Zusammenfassung: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.Original Abstract: Japanska ili pacificka kamenica, Crassostrea gigas, uvedena je u Europu kasnih 1960-ih za potrebe akvakulture i od tada se intenzivno prosirila po Mediteranu. Po prvi put je izvrsen pregled cetiriju ekoloski najprikladnijih zaljeva istocne obale Jadrana kako bi se utvrdila prisutnost alohtone kamenice. Analiza djelomicnog fragmenta mitohondrijske 16S rRNA je koristena kako bi se molekularno identificirala egzoticna vrsta C. gigas u prirodnim stanistima sjevernih i sredisnjih obalnih podrucja istocnog Jadrana. Moguci invazijski putevi su raspravljani kao i vaznost pracenja distribucije populacija C. gigas, s naglaskom na potencijalne izravne i neizravne ucinke na autohtonu europsku plosnatu kamenicu Ostrea edulis koja obitava u Jadranskom moru.
ISSN:0001-5113
1846-0453