{"id":"tetemke-2019-m17-juniperus-dbh","source":{"id":"tetemke-2019","citation":"Tetemke, B. A., Birhane, E., Rannestad, M. M., & Eid, T. (2019). Allometric Models for Predicting Aboveground Biomass of Trees in the Dry Afromontane Forests of Northern Ethiopia. Forests, 10(12), 1114.","title":"Allometric Models for Predicting Aboveground Biomass of Trees in the Dry Afromontane Forests of Northern Ethiopia","authors":["Tetemke, B. A.","Birhane, E.","Rannestad, M. M."],"year":2019,"venue":"Forests","doi":"10.3390/f10121114","url":"https://doi.org/10.3390/f10121114","read_url":"https://www.mdpi.com/1999-4907/10/12/1114/htm","access":"open","license":"CC BY 4.0","checked_at":"2026-11-02","status":"current"},"name":"Juniperus procera AGB from DBH (M17)","output":{"quantity":"agb"},"expression":"0.161 * D^2.199","published":{"expression":"0.161 * DBH^2.199","units":{"DBH":"cm"},"variables":{"DBH":"D"},"output_unit":"kg"},"taxon":{"level":"species","name":"Juniperus procera","family":"Cupressaceae","group":"conifer"},"region":{"scope":"site","countries":["ET"],"place":"Desa'a dry Afromontane forest, Tigray","biomes":["montane","dryland"]},"stand":"natural","fit":{"n_trees":23,"dbh_min_cm":4.2,"dbh_max_cm":45.2,"method":"Power function fitted on ln-transformed data"},"evidence":[{"field":"expression","quote":"M17 Juniperus procera 23 AGB = a × DBHb 0.161 2.199 0.966 74.1 −10.7 5.6","locator":"Table 4 (a, b, adj-R2, rRMSE, rBias, AIC)"},{"field":"fit.dbh_min_cm","quote":"Juniperus procera 23 21.2 5.2–51.0 18.1 4.2–45.2","locator":"Table 1 (n, DSH mean and range, DBH mean and range)"}],"check":[{"inputs":{"D":10},"expected":25.458,"origin":"computed","note":"computed from the published form"},{"inputs":{"D":25},"expected":190.94,"origin":"computed","note":"computed from the published form"}],"verification":"original_read","checked_at":"2026-11-02","notes":"Best species-specific model for Juniperus procera with a single diameter predictor. Adjusted R2 0.966. The fits were done on ln-transformed data and the paper says predictions were back-transformed with a correction factor (CF from RSE) for its error statistics, but it does not print the CF or say whether the tabulated a already includes it; no cf is entered. Adjusted R2 is given in the notes, not fit.r2, because it is adjusted."}