Dynamics of Eucalyptus Diameter Distribution in the State of Minas Gerais

被引：5
|
作者：
Schmidt, Luciane Naimeke [1 ]
Machado, Sebastiao do Amaral [1 ]
Pelissari, Allan Libanio [1 ]
da Silva, Gilson Fernandes [2 ]
机构：
[1] Univ Fed Parana UFPR, Curitiba, PR, Brazil
[2] UFES, Alegre, ES, Brazil
来源：
FLORESTA E AMBIENTE | 2019年 / 26卷 / 02期
关键词：
probabilistic density function; site productive capacity; average basal area; CLASSIFICATION; GROWTH; STAND;
D O I：
10.1590/2179-8087.015617
中图分类号：
S7 [林业];
学科分类号：
0829 ; 0907 ;
摘要：
The aim of this study was to evaluate the effects of age, site, and density factors on the dynamics of eucalyptus diameter distribution. Data were obtained from a continuous forest inventory measured at different occasions, stratified according to the factors evaluated and adjusted by the three-parameter Weibull function using nonthinned clonal plots of eucalyptus stands located in the Central region of the state of Minas Gerais. In order to evaluate the diameter distribution behavior, asymmetry and kurtosis measures and graphical analysis for fitted curves were used. In general, an increase was observed in diameter amplitudes with aging, as well as with improvement of site productivity and higher densities. The number of trees decreased in the lower classes and increased in the upper classes, resulting in diameter distribution curves, being displaced to the right and flattened with aging.
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页数：9
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