Forty questions of importance to the policy and practice of native oyster reef restoration in Europe

Oyster reefs are among the most threatened marine habitats globally. In Europe, oyster reefs have been extirpated from most locations within their historical range. Active restoration of the native oyster (Ostrea edulis) in Europe has grown substantially in recent years. In sharing experiences betwe...

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Bibliographic Details
Published in:	Aquatic conservation Vol. 30; no. 11; pp. 2038 - 2049
Main Authors:	zu Ermgassen, Philine S. E., Bonačić, Kruno, Boudry, Pierre, Bromley, Cass A., Cameron, Tom C., Colsoul, Bérenger, Coolen, Joop W. P., Frankić, Anamarija, Hancock, Boze, Have, Tom M., Holbrook, Zoë, Kamermans, Pauline, Laugen, Ane T., Nevejan, Nancy, Pogoda, Bernadette, Pouvreau, Stéphane, Preston, Joanne, Ranger, Christopher J., Sanderson, William G., Sas, Hein, Strand, Åsa, Sutherland, William J.
Format:	Journal Article
Language:	English
Published:	Oxford Wiley Subscription Services, Inc 01-11-2020
Subjects:	alien species Aquatic habitats Biosecurity estuary fishing Genetic diversity Genetic variation invertebrates Marine molluscs Oyster reefs Policies pollution Population differentiation Population genetics Questions Reefs Restoration Scaling Shellfish Site selection subtidal Voting Europe
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Summary:	Oyster reefs are among the most threatened marine habitats globally. In Europe, oyster reefs have been extirpated from most locations within their historical range. Active restoration of the native oyster (Ostrea edulis) in Europe has grown substantially in recent years. In sharing experiences between oyster restoration projects in Europe at the Native Oyster Restoration Alliance conference, NORA2, in Edinburgh in May 2019, it became apparent that a number of similar barriers are experienced. This study identified the top 40 questions, which, if answered, would have the greatest influence on the policy and practice of oyster restoration in Europe. Initially 71 people were consulted across 28 institutions and 11 European countries to generate 194 questions. An established process of one round of pre‐workshop voting followed by a one‐day online workshop and two post‐workshop rounds of voting resulted in the final 40 questions. Questions were broadly grouped into the following 10 themes: baselines, site selection, restoration methods, quantifying benefits, disease management, biosecurity, genetic diversity and population differentiation, policy and management, novel technologies, and current and future threats. We anticipate that this list will provide a starting point for developing collaborative projects across the NORA network, as well as assisting policy makers and funders with identifying key areas that need to be addressed in order to overcome existing barriers to scaling up oyster restoration in Europe.
ISSN:	1052-7613 1099-0755
DOI:	10.1002/aqc.3462