2012
DOI: 10.4336/2012.pfb.32.72.373
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Funções de afilamento não segmentadas e segmentadas para Tectona grandis na região centro-sul matogrossense

Abstract: Resumo -O objetivo deste estudo foi comparar a acurácia dos modelos polinomiais não segmentados do quinto grau e de Hradetzky de 1976 e os segmentados de Max e Burkhart de1976 e Clark et al. de 1991, na estimativa dos diâmetros ao longo do fuste de Tectona grandis L.f., com ajustes para o conjunto total dos dados e por classe de diâmetro, em um povoamento com 16 anos, na região centro-sul matogrossense. A base de dados foi composta por 114 árvores, cubadas pela metodologia de Hohenadl modificada e distribuídas… Show more

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Cited by 10 publications
(8 citation statements)
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“…Essa dificuldade é frequentemente reportada nos estudos de forma do fuste, tanto para as RNAs (Leite et al, 2011;Souza, 2013), quanto para os modelos convencionais de afilamento (Silva et al, 2011;Favalessa et al, 2012;Yoshitani Junior et al, 2012;Téo et al, 2013).…”
Section: Potencias Selecionadasunclassified
“…Essa dificuldade é frequentemente reportada nos estudos de forma do fuste, tanto para as RNAs (Leite et al, 2011;Souza, 2013), quanto para os modelos convencionais de afilamento (Silva et al, 2011;Favalessa et al, 2012;Yoshitani Junior et al, 2012;Téo et al, 2013).…”
Section: Potencias Selecionadasunclassified
“…However, this tendency in the top-part of the stem, where smallest diameters occur, was also observed by Favalessa et al (2012) for T. grandis, and Queiroz et al (2008) for Mimosa scabrella Benth. Despite the highest dispersion in a stem part, most taper models do not describe the entire stem with the same accuracy (CRECENTE-CAMPO et al, 2009).…”
Section: Resultsmentioning
confidence: 56%
“…Graphical analysis of stem profiles ( Figure 2) shows homogeneous dispersion of diameter values, confirming the choice of Hradetzky's model to estimate T. grandis stem form and its similarity with Max & Burkhart's model estimates. Also, Hradetzky's model presented the best fit to estimate diameters along the T. grandis stem according to Favalessa et al (2012). Other models have been proposed to describe the taper form for the same species, such as Goulding and Murray (FIGUEIREDO FILHO et al, 2006), andGaray (LEITE et al, 2011).…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Usually, the development of a taper model is restricted to a single species, age class, management type, study region, or even diameter, height, and form classes (EISFELD et al, 2008;SOUZA et al, 2008;MIGUEL et al, 2011;FAVALESSA et al, 2012a;FAVALESSA et al, 2012b;SOUZA et al, 2012;KOHLER et al, 2013;LANSSANOVA et al, 2013;TÉO et al, 2013;DAVID et al, 2014;FIGUEIREDO FILHO et al, 2014a;FIGUEIREDO FILHO et al, 2015;COSTA et al, 2016;KOHLER et al, 2016;TERRA et al, 2018). According to Figueiredo Filho et al (2014b), the use of these equations is recommended for datasets experiencing the same conditions.…”
Section: Introductionmentioning
confidence: 99%