carbon stocks …
1. Introduction. Approximately one third of the land area is covered by forests (FOREST UNECE FAO, 2011).Their soils, including the forest floors, are considered a major store for terrestrial carbon (C), with an equivalent (Smith et al., 2006) or a much larger (Dixon et al., 1994, Eswaran et al., 1993, Lal, 2005) amount of C than found in the aboveground biomass.