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Ecosistemas y recursos agropecuarios
versión On-line ISSN 2007-901Xversión impresa ISSN 2007-9028
Resumen
GOCHE-TELLES, José Rodolfo et al. Physical properties and fustal biomass of Pinus engelmannii from a plantation in Durango. Ecosistemas y recur. agropecuarios [online]. 2023, vol.10, n.1, e3004. Epub 04-Ago-2023. ISSN 2007-901X. https://doi.org/10.19136/era.a10n1.3004.
Commercial forest plantations are a strategy to protect natural forests from overexploitation, so it is important, to know the physical properties of the wood from these plantations. The objective of the work was to determine the quality of the wood based on its physical properties and wood biomass from a Pinus engelmannii plantation of 17 years. The normal diameter and total height were measured in all the trees found in 20 rectangular sites of 3.0 x 6.0 m distributed in four lines. At each site, with a Pressler drill, a growth core was taken at 1.30 m high, in two dominant trees. Physical properties, basic density (DB), moisture content (MC), total volumetric shrinkage (TVC), and fiber saturation point (FSP) were determined by applying the typical formulas. The biomass was estimated with the values of volume and basic density, in addition to three allometric equations. The results were: BD = 0.379 g cm-3, MC = 199.37%, SVT = 13.63%, FSP = 39.28% and an average stem biomass of 22.79 kg. The ANOVA showed that the section within the tree had a significant influence (p < 0.05) on BD and MC, with a high negative correlation (r = -0.96). The plantation wood turned out to be homogeneous with respect to BD, MC, and SVT, while the first two variables showed radial variation. The biomass showed a close relationship with the basic density and the normal diameter.
Palabras llave : Moisture content; volumetric shrinkage; basic density; allometric equations; juvenile wood.