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Pesquisa Agropecuária Brasileira

versão impressa ISSN 0100-204Xversão On-line ISSN 1678-3921

Resumo

OLIVEIRA, Marcio Leles Romarco de et al. Classification of the productive capacity of unthinned stands of eucalypt clones. Pesq. agropec. bras. [online]. 2008, vol.43, n.11, pp.1559-1567. ISSN 1678-3921.  https://doi.org/10.1590/S0100-204X2008001100015.

The objective of this work was to develop and propose a procedure for stratification of unthinned eucalyptus clone forest, in order to classify its productive capacity. Data from 70 clones, distributed into 5,020 permanent plots of continuous forest inventories, were used with at least three annual measurements for each clone. For all clones, the Schumacher model was fit for the variables: basal area; dominant height; mean diameter; and commercial volume, with bark. The Tocher method was used to group clones displaying similar dominant height growth tendencies, and this procedure showed to be efficient. Site index estimate, for clones with less than tree measurements, can be determined from information regarding dominant height, mean diameter, basal area and commercial volume obtained from continuous forest inventories.

Palavras-chave : Eucalyptus; cluster analysis; principal component analysis; site index; forest inventory; guidecurve method.

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