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Revista mexicana de ciencias forestales
versión impresa ISSN 2007-1132
Resumen
GARATE-QUISPE, Jorge Santiago y FLOREZ-CASTILLO, Lili. Morphic coefficient of Apuleia leiocarpa (Vogel) J.F. Macbr. according to forest type, Peruvian Amazon. Rev. mex. de cienc. forestales [online]. 2023, vol.14, n.78, pp.4-33. Epub 14-Sep-2023. ISSN 2007-1132. https://doi.org/10.29298/rmcf.v14i78.1336.
The objective of the study was to determine and compare the morphic coefficient (MC) and allometric models in order to estimate the forest volume of Apuleia leiocarpa in two forest types in the Madre de Dios region of the Peruvian Amazonia. A sample size of 42 felled A. leiocarpa trees was used: 22 in low-hill forest, and 20 in low-terrace forest. The diameter at breast height (DBH) and the stem height of each individual were measured, and diameter measurements were taken along the stem every 2 m. The morphic coefficient was determined by forest type, and 11 nonlinear models were assessed for determining the merchantable forest volume. The MC in the low-ill forest is significantly higher than that calculated in the low-terrace forest (t-Student, p<0.01). The ANCOVA showed that the MC varied significantly between the two forest types. The DBH did not exert a significant influence on the MC (p>0.05); however, the interaction between the forest type and the DBH was significant (p<0.05). The best allometric model for estimating the merchantable forest volume was Takata's model for the low-hill forest, while Spurr's model with independent term was the best for the low-terrace forest.
Palabras llave : Allometry; Amazonia; volume equations; shape factor; regression; timber volume.