Recruitment of Oysters by Different Collection Devices at a Longline Shellfish Farm in the Central Adriatic Sea

Alessandra Roncarati (), Gilberto Mosconi, Francesco Alessandro Palermo, Gian Enrico Magi, Livio Galosi and Lorenzo Gennari
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Alessandra Roncarati: School of Biosciences and Veterinary Medicine, University of Camerino, 62032 Matelica, Italy
Gilberto Mosconi: School of Biosciences and Veterinary Medicine, University of Camerino, 62032 Matelica, Italy
Francesco Alessandro Palermo: School of Biosciences and Veterinary Medicine, University of Camerino, 62032 Matelica, Italy
Gian Enrico Magi: School of Biosciences and Veterinary Medicine, University of Camerino, 62032 Matelica, Italy
Livio Galosi: School of Biosciences and Veterinary Medicine, University of Camerino, 62032 Matelica, Italy
Lorenzo Gennari: Bivi s.r.l., 62012 Civitanova Marche, Italy

Sustainability, 2023, vol. 15, issue 11, 1-11

Abstract: In 2020–2021, a trial to recruit flat oysters was implemented at a longline farm in the central Adriatic, whereby the efficiency recruitment (n. oyster/dm 2 ) of different suspended substrates was evaluated. Two lantern nets (50 cm diameter; 145 cm h) had different substrates composed of 8 mm wide wrinkled ribbon and empty oyster shells positioned in the upper levels of the lanterns. The tumbling evaluation and the presence of mud were also considered. The efficiency recruitment was similar between the wrinkled ribbon and the oyster shell. Recruitment was in the same proportion on the external rough part of the shells as on the internal smooth part of the shells. No significant differences were shown when comparing the different substrates in terms of recruitment efficiency.

Keywords: oyster collector; efficiency recruitment; oyster spat; cupped oyster; flat oyster; longline farming technique (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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