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

Table 2

Correlation between total above-ground biomass and tree variables.

Species	Biomass	Tree variable				values
		Correlation in %
		DBH	H	CD	WD	DBH	H	CD	WD
A. d	AGB	0.84	0.90	0.53	−0.15	0.00	0.00	0.63	0.06
C. m	AGB	0.94	0.80	0.53	−0.10	0.00	0.01	1.00	0.52
C. a	AGB	0.96	0.85	0.92	0.32	0.00	0.00	0.00	0.29
I. m	AGB	0.98	0.85	0.73	0.20	0.00	0.03	1.00	0.26
M. s	AGB	0.89	0.82	0.55	0.37	0.00	0.01	1.00	0.52

AGB: above-ground biomass; tree species: Apodytes dimidiata (A. d), Cassipourea malosana (C. m), Celtis africana (C. a), Ilex mitis (I. m), and Myrica salicifolia (M. s); DBH: diameter at breast height (cm); H: total tree height (m); CD: average crown diameter (m); WD: wood density (g·cm⁻³).