Figure 3.

Total C stocks (a) and density of C stocks (b) in forest ecosystems, including both biomass and soil, in 1860, 1950, and 2010. A, Alpes; Al, Alsace; AL, Aveyron‐Lozère; AR, Ain‐Rhône; B, Bourgogne; Br, Bretagne; C‐A‐Y, Champagne‐Ardennes‐Yonne; CC, Cantal‐Corrèze; CdA, Côte d’Azur; CO, Calvados‐Orne; DL, Dordogne‐Lot; E, Eure; E&L, Eure‐et‐Loire; Gar, Garonne; Gd J, Grand Jura; Gd M, Grand Marseille; Gde L, Grande Lorraine; G‐H, Gard‐Hérault; Gir, Gironde; I‐D‐A, Isère‐Drôme‐Ardèche; IdF, Ile de France; L Am, Loire Amont; L Av, Loire Aval; Lan, Landes; LC, Loire Centrale; M, Manche; N‐PdC, Nord Pas‐de‐Calais; Pic, Picardie; Pocc, Pyrénées Occidentales; POr, Pyrénées Orientales; S, Savoie; VC, Vendée‐Charentes