{"id":"manuri-2016-d1","source":{"id":"manuri-2016","citation":"Manuri, S., Brack, C., Noor'an, F., et al. (2016). Improved allometric equations for tree aboveground biomass estimation in tropical dipterocarp forests of Kalimantan, Indonesia. Forest Ecosystems, 3, 28.","title":"Improved allometric equations for tree aboveground biomass estimation in tropical dipterocarp forests of Kalimantan, Indonesia","authors":["Manuri, S.","Brack, C.","Noor'an, F."],"year":2016,"venue":"Forest Ecosystems","doi":"10.1186/s40663-016-0087-2","url":"https://doi.org/10.1186/s40663-016-0087-2","access":"open","license":"CC BY 4.0","checked_at":"2026-11-01","status":"current"},"name":"Kalimantan dipterocarp forest AGB, DBH only (D1)","output":{"quantity":"agb"},"expression":"0.125 * D^2.533","published":{"expression":"0.125 * D^2.533","units":{"D":"cm"},"output_unit":"kg"},"taxon":{"level":"mixed","name":"Mixed species of dipterocarp forest (80 species)","group":"broadleaf"},"region":{"scope":"regional","countries":["ID"],"place":"Dipterocarp forests of East, Central and West Kalimantan (Malinau, Bulungan, Kapuas Hulu, Seruyan), Indonesia","biomes":["tropical"]},"stand":"natural","fit":{"n_trees":108,"dbh_max_cm":172,"r2":0.821,"method":"OLS on ln-transformed data, back-transformed (REst correction); adjusted r2 on kg scale"},"evidence":[{"field":"expression","quote":"D1 0.125 D^2.533","locator":"Table 2"},{"field":"fit.n_trees","quote":"108 trees","locator":"Abstract"}],"check":[{"inputs":{"D":30},"expected":689.38,"origin":"computed","note":"hand-computed from the published form"},{"inputs":{"D":80},"expected":8268.69,"origin":"computed","note":"hand-computed from the published form"}],"verification":"original_read","checked_at":"2026-11-01","notes":"Fitted by OLS on ln data; Table 2 reports fit after back-transformation with the REst ratio-estimator correction. The paper does not say explicitly whether that factor is folded into the printed power-form coefficient; used as printed. D at 1.3 m or 20 cm above buttress."}