Development of Allometric Equations for Estimating Above-Ground Liana Biomass in Tropical Primary and Secondary Forests, Malaysia

Table 4

Allometric equations of mixed species for estimating liana stem biomass (kg).

#	Equation	c(±SE)	α(±SE)	β(±SE)	𝑅^2 (adjusted)	FI
1	Stem biomass = 𝑐 + α D	0.154±0.078	1.731±0.028	—	0.989	0.58
2	Stem biomass = 𝑐 + α L	2.55±0.189	0.416±0.010	—	0.896	1.70
3	Stem biomass = 𝑐 + α D + β L	0.474±0.258	0.452±0.037	0.394±0.010	0.976	0.84
4	(Stem biomass)^0.9 = 𝑐 + α D	0.782±0.098	1.210±0.015	—	0.990	0.53
5	Stem biomass = 𝑐 + 𝛼𝐷^2	0.144±0.089	0.349±0.005	—	0.861	2.63
6	Log10 (stem biomass) = 𝑐 + α(log10 D)	0.396±0.0033	1.086±0.042	—	0.981	0.18
7	Log10 (stem biomass) = 𝑐 + α(log10 D) + β(log10 L)	0.165±0.002	0.432±0.063	0.431±0.062	0.954	0.47

#: equation number; D: liana diameter; L: liana length.