Table 1. Soil organic carbon (SOC) storage (± standard deviation) at sites secondary forest (SF-1 and SF-2) and restored grassland (RG-1 and RG-2).

	Secondary forest		Restored grassland
Classes	SF-1	SF-2	RG-1	RG-2
SOC storage per area (Mg ha−1)	70.5±19.8	108.6±15.5	210.8±24.6	223.7±34.5
Area (ha)	67600	33400	18	30
SOC storage (103 Mg)	4762.6	3626.7	3.79	6.71
Total SOC storage (103 Mg)	8389.3		10.5