Seasonal spatial distribution of gray seals (Halichoerus grypus) on their haul out sites identified by the ONCFS on the rocks of Portsall in 2010.

Seasonal spatial distribution of gray seals (Halichoerus grypus) on their haul out sites identified by the associations ADN and Picardy Nature in the Authie Bay from 2007 to 2009 inclusive.

Spatial distribution of quarterly harbor seals (Phoca vitulina) identified by Aérobaie and the Réserve Naturelle du Domaine de Beauguillot (Nature Reserve of Beauguillot) on their haul out sites in the Bay of Somme from 2007 to 2009 inclusive.

Quarterly spatial distribution of gray seals (Halichoerus grypus) identified by the LPO (Seven Islands Nature Reserve) on haul out sites in the Seven Islands archipelago, from 2007 to 2009 inclusive.

Distribution spatiale trimestrielle des phoques gris (Halichoerus grypus) recensés par Océanopolis, le Parc Naturel Marin d'Iroise et la Réserve Naturelle Nationale d'Iroise sur leurs reposoirs terrestres dans l'archipel de Molène, de 2007 à 2010 inclus.