2015
DOI: 10.1590/2179-8087.080114
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Efeito da Idade no Afilamento e Sortimento em Povoamentos de Araucaria angustifolia

Abstract: RESUMOO objetivo desta pesquisa foi avaliar o efeito da idade no ajuste de funções de afilamento e na evolução do sortimento em árvores masculinas e femininas em plantios de Araucaria angustifolia. Foram amostradas 60 árvores da espécie em um plantio localizado no município de Laranjeiras do Sul, Paraná. Ajustou-se o polinômio de quinto grau para o total de dados, estratificando-os em classes de idade. Foi analisada a evolução do afilamento e do sortimento das árvores com a idade. Os resultados mostraram uma l… Show more

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Cited by 17 publications
(20 citation statements)
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“…Many researchers have studied tree form, such as FIGUEIREDO FILHO et al (1996), FISCHER et al (2001, MACHADO et al (2004), KOHLER et al (2013), MÔRA et al (2014), and FIGUEIREDO FILHO et al (2015. LARSON (1963) broadly discussed stem form.…”
Section: Introductionmentioning
confidence: 99%
“…Many researchers have studied tree form, such as FIGUEIREDO FILHO et al (1996), FISCHER et al (2001, MACHADO et al (2004), KOHLER et al (2013), MÔRA et al (2014), and FIGUEIREDO FILHO et al (2015. LARSON (1963) broadly discussed stem form.…”
Section: Introductionmentioning
confidence: 99%
“…Para tal, foi ajustado o modelo de Schneider e Silva modificado (Equação 1), conforme descrito por Figueiredo et al (2015) para essa mesma espécie. …”
Section: Estimativa Dos Diâmetros Com Cascaunclassified
“…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%
“…To develop equations with greater applicability, Queiroz et al (2008), using the model identity test, developed a taper equation for Bracatinga (Mimosa scabrella Bentham) having different age classes. Other authors have developed similar assessments to Queiroz et al (2008) that recommend the adjustment of taper functions by age class for different forest species (KOHLER et al, 2013;FIGUEIREDO FILHO et al, 2015;TERRA et al, 2018). Tomé et al (2007) attempted to adjust the volume and taper equations for Eucalyptus globulus Labill., in which the parameters were expressed as linear combinations of planting age, planting density, site index, and variables that were indicative of rotation, coppice, and climatically homogeneous regions of Portugal to ensure the extensive applicability of the developed equations.…”
Section: Introductionmentioning
confidence: 99%