CURVAS DE SÍTIO E RELAÇÕES HIPSOMÉTRICAS PARA Eucalyptus grandisNA REGIÃO DOS CAMPOS GERAIS, PARANÁ

CERNE

Figura, Marco Aurélio²  Dias, Andrea Nogueira¹  Retslaff, Fabiane Aparecida de Souza¹  Bernett, Luiz Gastão²  Figueiredo Filho, Afonso¹ 

[1] Universidade Estadual do Centro-Oeste, Irati, BR$$;Klabin AS, Telêmaco Borba, BR$$

关键词: Site Index;    Height/DBH curve;    Growth and yield.;   

DOI  :  10.1590/01047760201521021349

来源: Universidade Federal de Lavras-UFLA

【 摘 要 】

The study aimed to fit mathematical models for the construction of Site Index curves and to estimate heights at different ages for Eucalyptus grandis in the Campos Gerais region, Parana State. The data used to fit the models came from permanent, temporary plots and pre-harvesting inventory, covering ages from 2.5 to 26.5 years. Several models were tested to represent the sites and the hypsometric relationship. The Site Index curves were constructed by the guide-curve method. For the Site Index, the Chapman-Richards model showed the best fit and precision statistics, generating 5 Site Index curves (range of 5 m) with the Chapman-Richards model. The four hypsometric models tested showed satisfactory performance and similar statistics and the inclusion of the variables dominant height or site index did not substantially improve the goodness of fit statistics, but the residues were more homogeneous and closer to zero.

【 授权许可】

Unknown