Table 3. Multi-species model using wood specific gravity.

Multi-species aboveground biomass (AGB), belowground biomass (BGB), and total biomass (TB) model using six study species. Left panel shows models using diameter at breast height (DBH; cm) and wood specific gravity (WSG) and left panel shows models using basal diameter (BD; cm) and WSG. Models: ‘a’, ‘b’, and ‘c’, coefficients for the species-specific allometric regression models in ln(y) = a + b x ln(x) + c x ln(z), where y is either AGB, BGB, or TB and x is either DBH or BD, and z is WSG. R², the adjusted R²; RMSE, root mean squared error; AICc, the second-order Akaike’s information criterion.

MULTI-SPECIES MODELS
Output		DBH + WSG						BD + WSG
	a	B	c	R2	AICc	RMSE	a	b	c	R2	AICc	RMSE
AGB	-0.670	2.238	1.919	0.842	46.77	0.403	-3.070	2.496	0.827	0.792	57.68	0.462
BGB	-1.267	2.139	2.223	0.845	39.65	0.368	-3.524	2.370	1.168	0.782	53.24	0.437
TB	-0.225	2.204	1.992	0.854	40.94	0.374	-2.586	2.456	0.915	0.803	53.10	0.436