{"id":"ramos-veintimilla-2025-foliage","source":{"id":"ramos-veintimilla-2025","citation":"Ramos-Veintimilla, R., Andrade, H. J., Vera-Velez, R., Esparza-Parra, J., Panama-Perugachi, P., Segura, M., & Grijalva-Olmedo, J. (2025). Allometric Models to Estimate Aboveground Biomass of Individual Trees of Eucalyptus saligna Sm in Young Plantations in Ecuador. International Journal of Plant Biology, 16(2), 39.","title":"Allometric Models to Estimate Aboveground Biomass of Individual Trees of Eucalyptus saligna Sm in Young Plantations in Ecuador","authors":["Ramos-Veintimilla, R.","Andrade, H. J.","Vera-Velez, R."],"year":2025,"venue":"International Journal of Plant Biology","doi":"10.3390/ijpb16020039","url":"https://doi.org/10.3390/ijpb16020039","read_url":"https://www.mdpi.com/2037-0164/16/2/39/htm","access":"open","license":"CC BY 4.0","checked_at":"2026-11-02","status":"current"},"name":"Leaf biomass, Eucalyptus saligna young plantation, dbh only","output":{"quantity":"foliage_biomass"},"expression":"exp(-2.61 + 1.86 * ln(D))","published":{"expression":"exp(-2.61 + 1.86 * ln(dbh))","units":{"dbh":"cm"},"variables":{"dbh":"D"},"output_unit":"kg"},"taxon":{"level":"species","name":"Eucalyptus saligna","family":"Myrtaceae","group":"broadleaf"},"region":{"scope":"site","countries":["EC"],"place":"Tunshi Experimental Station, ESPOCH, Chimborazo (Lower Montane thorny steppe)","biomes":["subtropical","montane"]},"stand":"plantation","fit":{"n_trees":46,"dbh_min_cm":5.9,"dbh_max_cm":21,"h_min_m":5.4,"h_max_m":14.8,"method":"OLS on Ln(B) vs Ln(dbh); no correction factor applied"},"evidence":[{"field":"expression","quote":"Ln(B) = −2.61 + 1.86∗Ln(dbh)","locator":"Table 2"},{"field":"fit.n_trees","quote":"the research involved 46 trees","locator":"Abstract"},{"field":"fit.dbh_min_cm","quote":"These trees had a dbh between 5.9 and 21.0 cm and 5.4 to 14.8 m of total height (ht).","locator":"Materials and Methods"}],"check":[{"inputs":{"D":8},"expected":3.5175,"origin":"computed","note":"hand-computed from the published form"},{"inputs":{"D":15},"expected":11.3246,"origin":"computed","note":"hand-computed from the published form"}],"verification":"original_read","checked_at":"2026-11-02","notes":"Ln is the natural log as printed. Published without correction factor (Table 3 compares with and without CF; the authors give the model without CF, so none is applied). dbh in cm, biomass in kg/tree. Table 2 prints R2 and adjusted R2 in a way that does not reconcile for this component, so r2 is left out."}