Fig. 6

Changes in forest area classified by dominating tree species/tree species groups of the French forests over the 1908–2008 period, See Fig. 1 for details on NUTS-3 data. Significance of forest area differences was assessed by paired t tests across the NUTS-3 population. Individual tree species not identified in the tree species groups white oaks, pines, various broadleaves and various conifers, (*): p value < 0.1. *p value < 0.05. **p value < 0.01. ***p value < 0.001