Improving aboveground biomass maps of tropical dry forests by integrating LiDAR, ALOS PALSAR, climate and field data

Table 3 Evaluation statistics for predicting aboveground biomass from ALOS PALSAR and climate variables, using corrected and uncorrected NFI plot data

Data	NFI plots	R²	RMSE	%RMSE	Bias	SD of error
Calibration (n = 152)	Uncorrected	0.17	44.7	48.1	− 0.3	44.3
	Corrected by small trees	0.18	41.1	37.4	0.5	44.9
	Corrected by age	0.19	44.8	43.7	0.2	41.2
	Corrected by age and small trees	0.18	42.0	35.4	0.2	42.2
Validation (n = 66)	Uncorrected	0.10	41.3	45.0	5.6	40.8
	Corrected by small trees	0.13	40.1	36.6	4.5	39.8
	Corrected by age	0.10	39.5	38.8	4.2	39.2
	Corrected by age and small trees	0.13	38.9	32.8	4.9	38.6

ISSN: 1750-0680