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Ezgeta-Balić, Daria; Šegvić-Bubić, Tanja; Stagličić, Nika; Lin, Yaping; Bojanić Varezić, Dubravka; Grubišić, Leon; Briski, Elizabeta (2019): Distribution of non-native Pacific oyster Magallana gigas (Thunberg, 1793) along the eastern Adriatic coast, link to fastq files. PANGAEA, https://doi.org/10.1594/PANGAEA.900408, Supplement to: Ezgeta-Balić, D et al. (2019): Distribution of non-native Pacific oyster Magallana gigas (Thunberg, 1793) along the eastern Adriatic coast. Acta Adriatica, 60(2), 137-146, https://doi.org/10.32582/aa.60.2.3

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Abstract:
Non-native Pacific oyster Magallana gigas (Thunberg, 1793) was introduced to the Mediterranean Sea for aquaculture purposes in the 1960s. Although this species was not introduced for aquaculture to the Croatian part of the Adriatic Sea, in the 1970s, it was reported in the Lim Bay, in the North-eastern Adriatic. Until recently, there has been no research on the species in the Croatian part of the Adriatic. The aim of this research was to summarize existing and novel data on the distribution of M. gigas in coastal areas of the Eastern Adriatic and to provide a baseline for the future monitoring and assessment programmes of the species. Distribution of M. gigas was determined by three different methods: (i) a visual census of the presence of M. gigas specimens in the medio-littoral zone; (ii) DNA identification of M. gigas larvae in the water column; and (iii) the presence of M. gigas in the subtidal zone at 25 to 40 m depth. Magallana gigas has a well-established population in the medio-littoral zone of natural and anthropogenic habitats along the coast of the North-eastern Adriatic Sea (west coast of Istria), but it is not present in the deeper layers (25 - 40m). In the Central-eastern and South-eastern Adriatic Sea, the species was either absent or sporadically recorded with no evidence of fully established populations. Considering the great invasion success of M. gigas worldwide and effects that this species could have on the invaded ecosystem (e.g. competition for food and space with native species), detailed future monitoring are needed for the Eastern Adriatic Sea.
Keyword(s):
Crassostrea gigas; DNA barcoding; invasion
Size:
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