Inventory and mapping of Posidonia oceanica reefs of the French Mediterranean coast

Elodie Rouanet (1) , Adrien Goujard (1, 2) , Emeline Barralon , Charles F. Boudouresque (1) , M. Boursault , Alizée Boussard , P. Larroudé , Samuel Meulé (3) , Anne-Éléonore Paquier (3) , Christine Pergent-Martini (4, 5) , Gerard Pergent (5, 4) , Thomas Schohn (6)

1 MIO - Institut méditerranéen d'océanologie
2 GIS Posidonie
3 CEREGE - Centre européen de recherche et d'enseignement des géosciences de l'environnement
4 SPE - Sciences pour l'environnement
5 Università di Corsica Pasquale Paoli [Université de Corse Pascal Paoli]
6 IFREMER - Institut Français de Recherche pour l'Exploitation de la Mer

Posidonia oceanicareefs along the French Mediterranean coast were inventoried and mapped using bibliographical data, analysis of aerial photos, images obtained using drone and 3D models. Sixteen previously unreported reefs and another 13 reefs that had been destroyed or disappeared were identified. In all, 75 Posidonia reef structures have were known to exist but today there are only 62 left.

Domaines: Sciences de l'environnement; Biodiversité et Ecologie; Interfaces continentales, environnement

Elodie Rouanet, Adrien Goujard, Emeline Barralon, Charles F. Boudouresque, M. Boursault, et al.. Inventory and mapping of Posidonia oceanica reefs of the French Mediterranean coast. Proceedings of the 6th Mediterranean Symposium on Marine Vegetation, SPA/RAC, Jan 2019, Antalya, Turkey. pp.1-148. ⟨hal-02112016⟩