Breeding seabird population trends in Brittany

Recent trends in numbers and juvenile production of breeding seabirds in Brittany. **Sources:** The observation data that enabled this compilation were acquired via the regional network dynamics of the Regional Seabird Observatory (Orom) until 2018, then the Regional Bird Observatory (Ora) led by BV-Sepnb and Geoca. The ten-year summary data are published under various headings: annual reports of these observatories, publication of the Gisom, atlases, etc. **More:** consult the data visualisation <a href="https://bretagne-environnement.fr/boardboard/trends-breeding-seabird-nicher-breeding-breeding" target="_blank">"Trends in numbers and reproduction of breeding seabirds in Brittany since 2010"</a> carried out by the EPO.