Table 2.

Estimated regression coefficients and adjusted standard errors (±SE) coefficient of determination ( R ² _adj ), model bias ($\stackrel{\circledR }{E}$), and root mean square error (±RMSE) of aboveground biomass equations.

System	Model	Parameter	Estimate	SE	R 2 adj(%)	$\stackrel{\circledR }{E}$ (%)	RMSE (%)
1	m1	b01	0.0204	0.0371	85.409	−0.549	19.588
		b11	1.9908	0.6453
		b21	1.0264	0.8239
	m2	b02	0.0208	0.0313	85.407	−0.551	19.589
		b12	1.0035	0.1581
2	m1	b01	0.1563	0.1784	90.699	−0.221	16.911
		b11	3.0839	1.0899
		b21	−0.7883	1.2929
	m2	b02	0.0601	0.0586	88.996	0.040	18.390
		b12	0.8691	0.1163
3	m1	b01	0.0737	0.1087	90.182	−0.922	19.953
		b11	1.8942	0.5883
		b21	0.6112	0.9028
	m2	b02	0.0534	0.0480	90.112	−0.857	20.023
		b12	0.8678	0.1086
4	m1	b01	0.0895	0.0659	94.741	−0.769	16.781
		b11	1.4018	0.6370
		b21	1.0429	0.8270
	B2	b02	0.1027	0.0543	94.706	−0.857	16.836
		b12	0.7960	0.0621