Species-Specific Allometric Equations, Biomass Expansion Factor, and Wood Density of Native Tree Species in the Dry Afromontane Forest of Ethiopia

Table 4

Comparison of species-specific model with pan tropical model.

Species	Model reference	Rel bias %	MPE	RMSE	t statistic	value
A. d	This study	−0.17	3.88	14.00	0.30	0.39
Generalized	Brown and Lugo [30]	−2.46	54.80	197.60	4.16	0.01
Generalized	Chave et al. [31]	2.14	−47.60	171.44	−2.55	0.01
Generalized	Chave et al. [32]	2.22	−49.40	178.00	−2.26	0.02
Generalized	Djomo et al. [33]	−2.04	45.36	163.50	2.33	0.02
Generalized	Asrat et al. [12]	2.44	−54.30	195.61	−2.34	0.02
C. m	This study	−0.04	1.16	4.34	−0.01	0.50
Generalized	Brown and Lugo [30]	−0.81	22.71	85.00	1.60	0.07
Generalized	Chave et al. [31]	0.70	−19.62	73.42	−1.20	0.13
Generalized	Chave et al. [32]	0.71	−20.00	74.70	−1.08	0.15
Generalized	Djomo et al. [33]	−1.20	32.50	121.50	2.25	0.02
Generalized	Asrat et al. [12]	2.70	−76.35	285.70	−2.68	0.01
C. a	This study	1.43	−1.00	3.53	−0.04	0.48
Generalized	Brown and Lugo [30]	−20.10	46.10	166.20	1.82	0.05
Generalized	Chave et al. [31]	28.54	−160.20	577.60	−2.36	0.02
Generalized	Chave et al. [32]	33.10	−201.53	726.61	−2.35	0.02
Generalized	Djomo et al. [33]	−21.33	70.70	254.83	2.24	0.02
Generalized	Asrat et al. [12]	45.60	−265.5	957.40	−2.63	0.01
I. m	This study	0.26	−9.60	28.68	−0.20	0.42
Generalized	Brown and Lugo [30]	0.34	−12.21	36.64	−0.28	0.39
Generalized	Chave et al. [31]	−0.17	6.20	18.50	0.34	0.37
Generalized	Chave et al. [32]	0.40	−12.90	38.67	−0.73	0.24
Generalized	Djomo et al. [33]	−4.32	157.50	472.4	3.33	0.01
Generalized	Asrat et al. [12]	1.82	−66.30	198.81	−1.84	0.05
M. s	This study	0.37	−11.03	39.78	−0.40	0.35
Generalized	Brown and Lugo [30]	1.97	−58.44	210.70	−2.058	0.03
Generalized	Chave et al. [31]	2.35	−69.73	251.40	−3.09	0.01
Generalized	Chave et al. [32]	2.60	−76.90	277.32	−2.99	0.01
Generalized	Djomo et al. [33]	−1.20	34.75	125.30	1.56	0.07
Generalized	Asrat et al. [12]	4.10	−121.5	438.00	−2.90	0.01