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Thapa et al. 2013

Predicting Total Height from Diameter Using Nonlinear Models in Pinus roxburghii

Thapa, T. B., Upadhyaya, C. P., Timilsina, Y. P., Bhandari, S. K., & Puri, L. (2013). Predicting total height from diameter using nonlinear models in Pinus roxburghii. Nepal Journal of Science and Technology, 14(1), 147–152.

doi:10.3126/njst.v14i1.8935Open accesscopy we read

Checked 2026-11-02. Crossref is asked weekly for retraction or correction notices; none recorded.

1 equation from this source

Chir pine height from D (M1, power)
Height · Pinus roxburghii · Nepal · DBH · DBH 5.57–61.94 cm · 180 trees
M1 i.e. H = e(-0.276) D0.925 is considered best fitted model
As printed (Results and Discussion, p. 150)