{"id":"goodman-2013-mauritia-flexuosa","source":{"id":"goodman-2013","citation":"Goodman, R. C., Phillips, O. L., del Castillo Torres, D., Freitas, L., Cortese, S. T., Monteagudo, A., & Baker, T. R. (2013). Amazon palm biomass and allometry. Forest Ecology and Management, 310, 994–1004.","title":"Amazon palm biomass and allometry","authors":["Goodman, R. C.","Phillips, O. L.","del Castillo Torres, D."],"year":2013,"venue":"Forest Ecology and Management","doi":"10.1016/j.foreco.2013.09.045","url":"https://doi.org/10.1016/j.foreco.2013.09.045","read_url":"http://eprints.whiterose.ac.uk/77906/7/Amazon%20Palm%20Biomass_Goodman_with_coversheet.pdf","access":"paywalled","checked_at":"2026-11-01","status":"current"},"name":"Mauritia flexuosa (aguaje) AGB from stem height","output":{"quantity":"agb"},"expression":"1.038 * exp(2.4647 + 1.3777 * ln(Hstem))","published":{"expression":"1.038 * exp(2.4647 + 1.3777 * ln(Hstem))","units":{"Hstem":"m"},"output_unit":"kg"},"taxon":{"level":"species","name":"Mauritia flexuosa","family":"Arecaceae","group":"palm"},"region":{"scope":"regional","countries":["PE"],"place":"Wetland forest, Pacaya–Samiria National Reserve, Loreto, Peru","biomes":["tropical"]},"stand":"natural","fit":{"n_trees":16,"dbh_min_cm":19,"dbh_max_cm":36,"r2":0.897,"rse":0.273,"cf":1.038,"method":"OLS on ln(AGB) vs ln(Hstem); Baskerville correction exp(RSE²/2)"},"evidence":[{"field":"expression","quote":"Mauritia ln(AGB) ln(Hstem) 2.4647 1.3777 0.897 16 0.273","locator":"Table 3"},{"field":"fit.dbh_min_cm","quote":"Loreto Mauritia flexuosa 16 19-36 5.1-30.5 9.1-38.4","locator":"Table 1"},{"field":"fit.cf","quote":"A correction factor, exp(RSE2/2), was applied to biomass estimates from logarithmically transformed models (Baskerville, 1972).","locator":"Section 2.4, lines 220–221 (author post-print)"}],"check":[{"inputs":{"Hstem":15},"expected":509.2182,"origin":"computed","note":"computed from the Table 3 coefficients times exp(RSE²/2)"}],"verification":"original_read","checked_at":"2026-11-01","notes":"Height-only model: Hstem = stem height to the base of the lowest leaf (m), fitted range 5.1–30.5 m. The table row is labelled 'Mauritia'; all sampled individuals were M. flexuosa. Table 3 also gives a belowground model for this species. Correction factor multiplied in."}