The product SCAN Littoral® is a collection of continuous colour digital map images of the coast, obtained via georeferenced assembling with grid squares of raster data from Shom nautical charts and IGN 1:25,000 land maps. The SCAN Littoral® solution includes a series of digital images with no additions, legends or georeferencing information.

This document is a state of the art on marine dunes and their ecosystems. A first part details the characteristics of marine dunes, a second part summarizes the methods of in situ analysis and modeling of these marine dunes, a third part describes the ecosystems that compose them, a fourth part describes the human activities that impact them. In appendix, an atlas of marine dunes in France and in the world is established.