. 2017 Oct 12;12(10):e0185934. doi: 10.1371/journal.pone.0185934

Table 2. Species information for 6 species used to construct regression models.

Aboveground biomass: models for aboveground biomass. Belowground biomass: models to predict belowground biomass. Total biomass: models to predict total above and belowground biomass. Left column uses DBH (diameter at breast height, in cm) to predict biomass. Right column uses BD (basal diameter, in cm) to predict biomass. Models: ‘a’ and ‘b’, coefficients for the species-specific allometric regression models in ln(y) = a + b x ln(x), where y is either AGB, BGB, or TB and x is either DBH or BD. R², the adjusted R²; RMSE, root mean squared error; AICc, the second-order Akaike’s information criterion.

	ABOVEGROUND BIOMASS
Species	DBH					BD
Species	a	b	R²	AICc	RMSE	a	b	R²	AICc	RMSE
Anacardium excelsum	-1.530	2.105	0.708	16.43	0.341	-3.290	2.411	0.946	4.65	0.147
Cedrela odorata	-4.169	2.900	0.959	11.46	0.172	-5.031	2.963	0.972	9.03	0.140
Dalbergia retusa	-1.229	2.400	0.839	24.15	0.591	-4.739	2.959	0.943	16.89	0.352
Pachira quinata	-5.700	3.360	0.823	14.07	0.235	-9.910	4.335	0.980	2.12	0.079
Tabebuia rosea	-2.349	2.309	0.967	9.22	0.203	-4.926	2.809	0.955	11.31	0.236
Terminalia amazonia	-0.262	1.735	0.744	16.77	0.349	-2.363	2.321	0.823	14.19	0.290
	BELOWGROUND BIOMASS
Species	DBH					BD
Species	a	b	R²	AICc	RMSE	a	b	R²	AICc	RMSE
Anacardium excelsum	-2.004	1.821	0.846	8.91	0.199	-2.862	1.872	0.864	8.08	0.188
Cedrela odorata	-4.572	2.716	0.952	11.56	0.173	-5.062	2.679	0.883	13.89	0.271
Dalbergia retusa	-1.305	2.010	0.868	20.07	0.442	-4.048	2.401	0.904	17.87	0.378
Pachira quinata	-3.967	2.259	0.628	16.12	0.254	-7.284	3.071	0.868	9.93	0.151
Tabebuia rosea	-3.139	2.321	0.944	13.08	0.268	-5.353	2.703	0.838	20.50	0.455
Terminalia amazonia	-0.701	1.416	0.678	14.34	0.331	-2.812	2.048	0.912	6.99	0.173
	TOTAL BIOMASS
Species	DBH					BD
Species	a	b	R²	AICc	RMSE	a	b	R²	AICc	RMSE
Anacardium excelsum	-1.094	2.040	0.759	14.24	0.291	-2.665	2.293	0.966	0.49	0.109
Cedrela odorata	-3.705	2.854	0.963	10.63	0.160	-4.471	2.891	0.956	11.65	0.175
Dalbergia retusa	-0.625	2.279	0.845	23.11	0.549	-3.907	2.791	0.935	17.06	0.356
Pachira quinata	-4.827	3.131	0.799	15.28	0.236	-8.838	4.068	0.969	4.03	0.093
Tabebuia rosea	-1.942	2.302	0.973	7.77	0.183	-4.386	2.761	0.927	14.49	0.297
Terminalia amazonia	0.203	1.651	0.738	16.28	0.337	-1.902	2.250	0.854	12.19	0.252