{"id":"kuyah-2024-avocado","source":{"id":"kuyah-2024","citation":"Kuyah, S., Muthuri, C.W., Wakaba, D., Cyamweshi, A.R., Kiprotich, P., Mukuralinda, A. (2024). Allometric equations and carbon sequestration potential of mango (Mangifera indica) and avocado (Persea americana) in Kenya. Trees, Forests and People, 15, 100467.","title":"Allometric equations and carbon sequestration potential of mango (Mangifera indica) and avocado (Persea americana) in Kenya","authors":["Kuyah, S.","Muthuri, C.W.","Wakaba, D."],"year":2024,"venue":"Trees, Forests and People","doi":"10.1016/j.tfp.2023.100467","url":"https://doi.org/10.1016/j.tfp.2023.100467","access":"open","license":"CC BY-NC-ND 4.0","checked_at":"2026-11-01","status":"current","notes":"Publisher site blocked automated reading; equation taken from the CIFOR-ICRAF brief by the same authors."},"name":"Avocado on Kenyan farms, mean DBH (Eq. 2)","output":{"quantity":"agb"},"expression":"0.0638 * D^2.5435","published":{"expression":"0.0638 * DBH^2.5435","units":{"DBH":"cm"},"variables":{"DBH":"D"},"output_unit":"kg"},"taxon":{"level":"species","name":"Persea americana","family":"Lauraceae","group":"broadleaf"},"region":{"scope":"regional","countries":["KE"],"place":"Smallholder farms, Makueni and Kiambu counties, Kenya","biomes":["tropical"]},"stand":"agroforestry","fit":{"dbh_min_cm":5.3,"dbh_max_cm":96.2,"r2":0.86,"method":"power model"},"evidence":[{"field":"expression","quote":"Eq. 2 AGB = 0.0638 × μDBH^2.5435 5.3–96.2 2–52 0.86 18.4","locator":"CIFOR-ICRAF brief, Table 2"},{"field":"expression","quote":"avocado trees (AGB = 0.0638 × DBH^2.5435)","locator":"CIFOR-ICRAF brief, key messages"}],"check":[{"inputs":{"D":20},"expected":130.01,"origin":"computed","note":"hand-computed from the published form"},{"inputs":{"D":50},"expected":1337.06,"origin":"computed","note":"hand-computed from the published form"}],"verification":"secondary","secondary_url":"https://www.cifor-icraf.org/publications/pdf/briefs/Carbon-Sequestration-in-Fruit-Trees.pdf","checked_at":"2026-11-01","notes":"Read from the CIFOR-ICRAF brief (Muthuri, Kuyah, Njoki, Wakaba 2024), not the paper. The brief writes μDBH (mean DBH, for multi-stemmed trees) in its table; tree age 2-52 years; MAPE 18.4%. An infographic version reportedly shows 0.0648: confirm against the paper. Mango Eq. 1 uses mean primary-branch diameter (μDPB) and is not included."}