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. 2023 Aug 21;18(8):e0289679. doi: 10.1371/journal.pone.0289679

Table 2. Medians, ranges, and sample sizes (n) of biomass components (dry mass).

Leaf biomass (kg) Twig Biomass (kg) Secondary Stem Biomass (kg) Main Stem Biomass (kg) n
Robinia pseudoacacia * 1.62 (0.0831–5.72) 2.20 (0.0382–6.82) 4.11 (0.0770–13.5) 4.45 (0.104–15.6) 12
Betula nigra 0.171 (0.000975–1.53) 0.324 (0.0217–3.43) 0.0983 (0–2.51) 0.53 (0.0254–9.74) 16
Gliricidia sepium * 0.115 (0.0003–4.43) 0.0285 (0.0001–1.49) NA@ 0.334 (0.0026–20.5)@ 17
Casuarina equisetifolia * 1.04 (0.0365–8.85) 1.01 (0.0518–3.39) 0.549 (0–2.84) 2.57 (0.0644–9.34) 12
Psidium cattleianum 0.252 (0.152–0.477) 0.160 (0.117–0.495) NA@ 0.113 (0.0553–0.832)@ 3
Acacia koa * 1.54 (0.0452–10.3) 0.436 (0.00640–4.31) 0.754 (0–29.3) 1.54 (0.0358–10.8) 11
Morella faya * 0.886 (0.0205–8.64) 0.543 (0.00340–5.19) NA@ 1.06 (0.0106–16.5)@ 13
Dodonaea viscosa 0.798 (0.0726–3.27) 0.613 (0.0395–3.66) NA@ 2.51 (0.111–7.51)@ 6

*Nitrogen-fixing species

Given the definition of secondary stems (>1 cm diameter), some trees had no secondary stems, as all stem material was either main stem or twig

@Stem material was not separated into secondary and main stem for Gliricidia, Psidium, Morella, or Dodonaea