Ten priority questions for increasing the consistency and success in hatchery production of the European flat oyster for habitat restoration

Philine s.e. Zu ermgassen, Marina Albentosa, Nienke Bakker, Ainhoa Blanco, Kruno Bonačić, Stefano Carboni, Gianni Brundu, Bérenger Colsoul, Nicolás Araujo piñeiro, Fiz Da costa, Marco Dubbeldam, Monica Fabra, Thomas Galley, Dennis Gowland, Nicholas Jones, Ángel Hernández, Sebastián Hernandis, Ane t. Laugen, Thorolf Magnesen, Shelagh MalhamBernadette Pogoda, Joanne Preston, Hein Sas, Camille Saurel, Juan l. Barja, Pauline Kamermans

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

The European flat oyster, Ostrea edulis, once formed extensive reef habitats throughout European seas and estuaries. These reefs are now largely functionally extinct, yet interest and support for their restoration is rapidly growing. A major bottleneck to scaling up oyster reef restoration is the lack of available oysters to supply the growing demand. This study aimed to identify the ten questions which, if answered, would increase the consistency and success in hatchery production of O. edulis for habitat restoration. Candidate questions were submitted by representatives from twelve commercial and research hatcheries across Europe. The list of 98 candidate questions were collaboratively discussed by experts from nine research hatcheries across eight countries in Europe, to identify the top ten questions via an iterative and open process. Questions were grouped into the following themes: conditioning and feeding, larval rearing, disease and water quality, hatchery protocol, genetics, and hatchery management. There were several overarching topics spanning these themes, including diet optimisation, maximising the effective population size, and developing the technical skillbase in order to increase hatchery production to meet the projected increase in demand for oyster seed for habitat restoration efforts. We anticipate this list will provide a starting point for collaborative research efforts across Europe, as well as assisting policy makers and funders in identifying key knowledge gaps.
Original languageEnglish
Article number29
Number of pages10
JournalAquatic Living Resources
Volume36
Early online date20 Oct 2023
DOIs
Publication statusE-pub ahead of print - 20 Oct 2023

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