{"id":"kang-2016-stem-d2h","source":{"id":"kang-2016","citation":"Kang, M.S., Jang, K.S., Son, Y.M., et al. (2016). Allometric Equations and Biomass Expansion of Yellow Poplar (Liriodendron tulipifera) in Southern Korea. Journal of Korean Forest Society, 105(4), 463-471.","title":"Allometric Equations and Biomass Expansion of Yellow Poplar (Liriodendron tulipifera) in Southern Korea","authors":["Kang, M.S.","Jang, K.S.","Son, Y.M."],"year":2016,"venue":"Journal of Korean Forest Society","doi":"10.14578/jkfs.2016.105.4.463","url":"https://doi.org/10.14578/jkfs.2016.105.4.463","read_url":"http://e-journal.kfs21.or.kr/journal/view.asp?key=3493107","access":"open","license":"CC BY-NC 3.0","checked_at":"2026-11-02","status":"current"},"name":"Liriodendron tulipifera Stem W = aD^2H (Table 11)","output":{"quantity":"stem_biomass"},"expression":"0.014 * D^2 * H","published":{"expression":"0.014 * DBH^2 * H","units":{"DBH":"cm","H":"m"},"variables":{"DBH":"D","H":"H"},"output_unit":"kg"},"taxon":{"level":"species","name":"Liriodendron tulipifera","family":"Magnoliaceae","group":"broadleaf"},"region":{"scope":"regional","countries":["KR"],"place":"Suwon (Gyeonggi), Jangseong and Gangjin (Jeollanam-do), South Korea","biomes":["temperate"]},"stand":"plantation","fit":{"n_trees":40,"dbh_min_cm":5.9,"dbh_max_cm":38.7,"h_min_m":6.6,"h_max_m":26.6,"r2":0.967,"method":"regression in SPSS 19.0"},"evidence":[{"field":"expression","quote":"Stem 0.014 0.967","locator":"Table 11 (W=aD^2H)"},{"field":"fit.n_trees","quote":"조사한 백합나무 표준목은 40본이나 뿌리까지 굴취한 것은 21본이다.","locator":"결과 및 고찰 1 (Results 1)"}],"check":[{"inputs":{"D":15,"H":12},"expected":37.8,"origin":"computed","note":"computed from the Table 11 coefficients"},{"inputs":{"D":30,"H":22},"expected":277.2,"origin":"computed","note":"computed from the Table 11 coefficients"}],"verification":"original_read","checked_at":"2026-11-02","notes":"W = dry weight in kg (Table 7 in kg), D = DBH in cm, H = tree height in m. The paper prints no correction factor, so none is applied. DBH 5.9-38.7 cm and height 6.6-26.6 m are the min and max of the per-site ranges in Table 6 (Suwon, Jangseong, Gangjin; ages 8-34 years)."}