Table 1.

Biomass Densities by Land Cover Type

Class Name	DR	CA	Δ
Closed evergreen lowland forest	216.3	273.5	57.2
Degraded evergreen lowland forest	121.2	171.5	50.3
Submontane forest (900 – 1500 m)	238.2	186.8	-51.4
Montane forest (>1500 m)	169.6	94.6	-75.0
Swamp forest	250.7	346.9	96.2
Mangrove	48.3	100.9	52.6
Mosaic Forest/Croplands	91.5	96.6	5.1
Mosaic Forest/Savanna	77.4	91.9	14.5
Closed deciduous forest	84.9	81.8	-3.1
Deciduous woodland	35.2	89.4	54.2
Deciduous shrubland with sparse trees	11.5	61.0	49.5
Open deciduous shrubland	12.8	61.6	48.8
Closed grassland	7.0	73.9	66.9
Open grassland with sparse shrubs	1.0	14.3	13.3
Open grassland	1.9	13.4	11.5
Sparse grassland	2.3	6.0	3.7
Swamp bushland and grassland	32.7	57.3	24.6
Croplands (>50%)	5.3	36.9	31.6
Croplands with woody shrubs	1.1	10.2	9.1
Irrigated croplands	1.6	44.8	43.2
Sandy desert and dunes	0.0	31.0	31.0
Stony desert	1.3	13.0	11.7
Bare rock	0.8	13.4	12.6
Salt hardpans	1.2	42.4	41.2
Water bodies	5.6	107.7	102.1

Land cover classes derived from the GLC2000, average AGB (tons ha-1) derived from the "direct remote sensing" (DR) and from the "combine and assign" (CA) approaches.

The column labelled Δ indicates the difference between approaches (CA-DR).