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Table 4 List of allometric equations applied to examine stand biomass of the Melaleuca forests

From: An assessment of the carbon stocks and sodicity tolerance of disturbed Melaleuca forests in Southern Vietnam

Allometric equations R2 Vegetation Sites References
log10(FW) = 2.266log10(D) − 0.502 where FW = fresh above-ground biomass (kg/tree), D = diameter at breast height (cm) 0.98 Melaleuca spp. Northern Territory Finlayson et al. [59]
y = 0.124 × DBH 2.247 where y = above-ground biomass (kg/tree), DBH = diameter at breast height (cm) 0.97 Melaleuca cajuputi Vietnam Le [63]
y = exp[–2.134 + 2.53ln(D)] where y = above-ground biomass (kg/tree), D = diameter at breast height (cm) 0.97 Mixed species Tropical, moist forest IPCC [51] or Brown [64]
ln(y) = 2.4855ln(x) − 2.3267 where y = above-ground biomass (kg/tree), x = diameter at breast height (cm) 0.96 Native sclerophyll forest NSW, ACT, VIC, TAS, and SA Keith et al. [65]
ln(AGB) = –1,554 + 2.420ln(D) + ln(ρ) where AGB = above-ground biomass (kg/tree), D = diameter at breast height (cm), ρ = wood density (g/cm3) 0.99 Tropical forests America, Asian and Oceania Chave et al. [61]
ln(RBD) = – 1,085 + 0.926ln(ABD) where RBD = root biomass density (tons/ha), ABD = above-ground biomass density (tons/ha) 0.83 Upland forests Worldwide IPCC [51] or Cairn et al. [66]
y = 0.27x where y = total root biomass (tons/ha), x = total shoot biomass (tons/ha) 0.81 Natural forests Worldwide Mokany et al. [67]
Wr = 0.0214 × D 2.33 where W r  = coarse root biomass (kg/tree), D = diameter at breast height (cm) 0.94 Tropical secondary forests Sarawak, Malaysia Kenzo et al. [68]
W r  = 0.023 × D 2.59 where Wr = coarse root biomass (kg/tree), D = diameter at breast height (cm) 0.97 Tropical secondary forests Sarawak, Malaysia Niiyama et al. [69]
  1. NSW New South Wales, ACT Australian Capital Territory, VIC Victoria, TAS Tasmania, SA South Australia.