{"id":"begazo-2018-tecoma","source":{"id":"begazo-2018","citation":"Begazo Curie, K., & Jave Nakayo, J. (2018). Estimación de la biomasa aérea total y por componente estructural en especies arbóreas de Lima, Perú. Revista Forestal del Perú, 33(1), 76–90.","title":"Estimación de la biomasa aérea total y por componente estructural en especies arbóreas de Lima, Perú","authors":["Begazo Curie, K.","Jave Nakayo, J."],"year":2018,"venue":"Revista Forestal del Perú","doi":"10.21704/rfp.v33i1.1167","url":"https://doi.org/10.21704/rfp.v33i1.1167","read_url":"https://revistas.lamolina.edu.pe/index.php/rfp/article/view/1167","access":"open","license":"CC BY-NC 4.0 (per journal article page)","checked_at":"2026-11-02","status":"current"},"name":"Total aboveground biomass, Tecoma stans var. stans, dap only","output":{"quantity":"agb"},"expression":"exp(-2.9409 + 2.6925 * ln(D))","published":{"expression":"exp(-2.9409 + 2.6925 * ln(dap))","units":{"dap":"cm"},"variables":{"dap":"D"},"output_unit":"kg"},"taxon":{"level":"species","name":"Tecoma stans var. stans","family":"Bignoniaceae","group":"broadleaf"},"region":{"scope":"site","countries":["PE"],"place":"Bosque simulado y Plantación forestal, UNALM, La Molina, Lima (238 m a.s.l.)","biomes":["dryland"]},"stand":"plantation","fit":{"n_trees":15,"dbh_min_cm":3.8,"dbh_max_cm":19.1,"h_min_m":4.4,"h_max_m":11.8,"r2":0.93,"method":"linearised regression on Ln(B), no back-transform correction stated"},"evidence":[{"field":"expression","quote":"Ln ( BT ) = -2.9409 + 2.6925 × Ln (dap)","locator":"Cuadro 9 / Resumen / Conclusiones"},{"field":"fit.n_trees","quote":"se evaluaron 44 individuos en total: 15 individuos de la especie Tecoma stans (L.) Juss. ex Kunth var. stans, 15 individuos para Grevillea robusta A. Cunn. ex R. Br, y 14 individuos para Schinus molle L.","locator":"Resumen"}],"check":[{"inputs":{"D":8},"expected":14.2677,"origin":"computed","note":"hand-computed from the published form"},{"inputs":{"D":15},"expected":77.5192,"origin":"computed","note":"hand-computed from the published form"}],"verification":"original_read","checked_at":"2026-11-02","notes":"Ln is natural log as printed; the Discusión notes that back-transformed log models underestimate but gives no correction factor, so none is applied. Biomass is oven-dry (103 °C) total aboveground (stem + branches + leaves), kg/tree; dap in cm, ht (total height) in m. DBH and height ranges are from Cuadro 2 (descriptive statistics of the sampled trees). Trees from a managed plantation at 2 x 2 m spacing, used to inform urban green areas. Cuadro 9 prints the slope as 2.6935; the abstract, results text and conclusions print 2.6925, which is used here."}