The map of intertidal habitats of the Natura 2000 site FR5300046 - Rade de Brest, estuary of the Aulne was producted by the laboratory of Marine Environmental Sciences (LEMAR) of the European University institute of the Sea (IUEM) by A. Larzillière under the scientific direction of C. Hily and the request of the DIREN Bretagne in the framework of the European Natura 2000 network. It is the first application of the speficiations for the mapping of coastal Natura 2000 sites (BAJJOUK, T., 2009) and the first implementation of the new typology proposals for mapping coastal habitats in the Brittany region (GUILLAUMONT B., et al, 2008) . It includes the habitats map complemented by the schorres map.

The map of the intertidal habitats of the Natura 2000 FR5300010 site was produced within the framework of the European Natura 2000 network at the request of the DREAL Bretagne.