Forest in the 'Grandes régions écologiques - GRECO' - The results from the Inventory campaigns 2006 to 2010; GRECO-L: Alluvions récentes © IGN, 2011

In 2011, the IFN provided a breakdown of France into 86 (91) silvoecoregions (SER) and 11 (12) large ecological regions (GRECO). This last brochure summarises the results for the five mayor alluvial basins in France, based on the 2006-2010 inventory surveys.
The brochures provide explanations and figures in tables, graphs and maps on the inventories statistical results for each of the five basins/ecoregions.