Table 3.

Comparison of mean H and AGB in validation area

Metric	Class	Mean lidar “truth” ± stdev	Mean independent prediction ± stdev	Area (ha)	Difference in mean (%)
Height (m)	All	19.38 ± 7.97	19.34 ± 7.11	59,938	0.21
	Terra firme	20.84 ± 7.06	20.95 ± 5.88	48,824	0.51
	Intact forest	23.03 ± 5.16	22.89 ± 4.14	28,727	0.21
	Degraded + Secondary forest	17.83 ± 7.23	18.26 ± 6.64	21,336	2.41
	Wetland	12.16 ± 8.59	11.64 ± 7.81	9563	4.30
	Mangrove	18.14 ± 6.41	17.39 ± 5.12	1551	4.11
AGB (Mg/ha)	All	204.67 ± 87.28	204.25 ± 78.47	59,938	0.21
	Terra firme	222.54 ± 75.44	223.72 ± 62.77	48,824	0.53
	Intact forest	245.98 ± 55.13	244.5 ± 44.16	28,727	0.60
	Degraded + Secondary forest	190.40 ± 79.02	195.05 ± 72.98	20,204	2.44
	Wetland	105.66 ± 74.62	101.08 ± 67.82	9563	4.33
	Mangrove	253.52 ± 89.63	243.06 ± 71.60	1551	4.13