Extended Data Table 1. Biomass stocks per land-use types; ranges indicate the difference between the FRA-based and Pan-based estimate.

	Area	Potential	Actual Biomass Stocks	Difference	Contribution to difference
	[Mkm2]	[PgC]	[kgC m-2]	[PgC]	[kgC m-2]	[%]	[%]
Total	130.4	876-906	6.7-6.9	407-476	3.1-3.6	48-54%	100%
Infrastructure	1.4	12	8.6-8.7	1	0.7	92-93%	2-3%
Cropland	15.2	139-141	9.2-9.3	10	0.6	93%	28-31%
Grassland and grazing land	54.3	374-379	6.9-7.0	119-121	2.2	69-70%	54-60%
Forests	40.7	443-460	10.9-11.5	297-368	7.3-9.0	22-33%	23-31%
Unused non-forest land	26.2	16-17	0.6	16-17	0.6	0%	0%
Land cover change (LCC)
Cropland	15.2	139-141	9.2-9.3	10	0.6	93%	28-31%
Artificial grasslands	11.3	114-116	10.1-10.3	7	0.6	94%	23-25%
Infrastructure	1.4	12	8.6-8.7	1	0.7	92-93%	2-3%
Land management (LM): forest management
Used forests
tropical	22.3	311-327	14.0-14.7	192-251	8.6-11.3	23-38%	18-25%
temperate	5.4	51	9.3-9.4	33-35	6.1-6.4	32-34%	4%
boreal	7.0	40-41	5.7-5.8	30-32	4.2-4.6	21-25%	2%
Subtotal forest management	34.7	401-419	11.6-12.1	255-318	7.3-9.2	24-36%	23-31%
Land management (LM): grazing
Otherwooded land, grasslands-tree mosaics
tropical	14.6	109-110	7.5	47	3.2	57%	13-15%
temperate	4.0	11	2.8-2.9	5-6	1.2-1.4	50-58%	1-2%
boreal	2.9	10	3.4-3.5	5	1.5-1.7	51-56%	1%
Natural grassland w/o trees	14.2	21	1.5	19	1.3	11-13%	0-1%
Subtotal grazing land	35.7	151-153	4.2-4.3	75-76	2.1	5 0-51%	16-18%
No biomass stock change
Wilderness, productive, w/o trees	9.7	16-17	1.6-1.7	16-17	1.6-1.7	0%	0%
Unused forests	6.0	42-50	7.0-8.3	42-50	7.0-8.3	0%	0%
Unproductive area	16.5	-	-	-	-	0%	0%
Land cover change (LCC)	27.8	265-269	9.5-9.7	17.1	0.6	94%	53-58%
Land management (LM)	56.2	553-572	7.9-8.1	312-374	4.7-5.6	31-40%	42-47%