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| Martins, Ana Paula Marques; Francesci, Fernando; Gallo, Joseane Cristina; Vuaden, Elisabete; Padoin Weber, Veridiana; Carvalho, Douglas Edson. |
| This study aims to model the hypsometric relation to Pinus elliottii Engelm in the city of Dois Vizinhos, Paraná State, Brazil, and to investigate the difference of the relationship between the different sociological positions. For this study was conducted a census on a plot of 0.25 ha located on the Campus of the Federal Technological University of Paraná, being measured diameter at breast height (dbh), total height (h) and sociological position of three strata: PS1 - dominant trees; PS2 - codominant trees; and PS3 - controlled or suppressed trees. Seven models of hypsometric relation determined by STEPWISE procedure were adjusted. The parameters used for selection of the models were the adjusted coefficient of determination (R2aj.), coefficient of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Competição; Modelos hipsométricos; Povoamentos florestais. |
| Ano: 2016 |
URL: http://e-revista.unioeste.br/index.php/scientiaagraria/article/view/11254 |
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| Martins, Ana Paula Marques; Carvalho, Douglas Edson; Schmidt, Luciane Naimeke; Gorenstein, Maurício Romero; Cysneiros, Vinícius Costa. |
| The objective of this research was to evaluate the performance of different methods for estimating total volume for Corymbia citriodora (Hook.) K.D. Hill & L.A.S. Johnson, with 17 years old, located in west of São Paulo State, Brazil. The compared methods were the volumetric equation from Schumacher and Hall, the two diameters method and the artificial form factor. Comparison of methodologies was made by analysis of variance (ANOVA) and the F value to detect significant differences between treatments, in which each method was considered as a treatment, and the volume obtained by Smalian was considered the control treatment. Test of Tukey was applied if necessary. For the method of the two diameters, the portion of the stem that propitiated the most... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Cubagem por Smalian; Equação volumétrica; Fator de forma; Método dos dois diâmetros.. |
| Ano: 2016 |
URL: http://e-revista.unioeste.br/index.php/scientiaagraria/article/view/13203 |
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