Stem taper functions and volume equations with product classification for Pinus sylvestris L. in Galicia (NW Spain)
Keywords:
Pinus sylvestris L., stem taper functions, volume equations with product classification
Abstract
Twenty one taper functions from seven different groups of models (single polynomials, segmented polynomials, potential, exponential, variable exponent, trigonometric and logarithmic taper functions) were fitted to a sample of 1,694 diameter data. Diameter was measured at different heights of 163 Pinus sylvestris L. type trees of different ages and different site qualities from Galicia (Northwest of Spain). The adjusted equations were compared and validated through an independent sample of 565 data of diameter height from 73 type trees. A volume equation with product classification including the chosen exponential taper equation was developed.Downloads
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Published
2003-04-01
How to Cite
Novo, N., Rojo, A., & Álvarez, J. G. (2003). Stem taper functions and volume equations with product classification for Pinus sylvestris L. in Galicia (NW Spain). Forest Systems, 12(1), 123-136. https://doi.org/10.5424/792
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Section
Research Articles
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