Volumetric estimates in eucalypt plantation under regime of high forest and coppice in the southwest of Bahia, Brazil
DOI:
https://doi.org/10.4336/2011.pfb.31.68.309Keywords:
Eucalyptus urophylla, Volumetric models, Form factor, Form quotient, Forest managementAbstract
This study aimed to test volumetric models and check the the efficiency of three methods to estimate the wood volume in Eucalyptus urophylla plantation, managed under regime of high forest and coppice, on a property located in the county of Vitória da Conquista, Bahia. It was carried out rigorous measurements scaled trees to obtain the volume to adjust seven volumetric models. The best models were selected using the score pondered value of the statistical parameters (VP). The volumes obtained by three methods (form factor, form quotient and adjusted models) were compared to the volume obtained in the scaling. The models of Schumacher e Hall (log) and Spurr were the more indicated to estimate the volume of stands in both management conditions. The volume obtained from the two best adjusted models resulted in estimates closer to the real volume when compared to the volumes estimated by form factor and the form quotient.
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Copyright (c) 2011 Gileno Brito de Azevedo, Glauce Taís de Oliveira Sousa, Patrícia Anjos Bittencourt Barreto, Valdemiro Conceição Júnior
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