Dendroenergetical characterization of Eucalyptus benthamii trees
Keywords:
Bioenergy, forest biomass, frost.Abstract
Eucalyptus benthamii has shown to be the most proeminent specie for regions with frost incidence. The objective of this work was to classify selected Eucalyptus benthamii trees for breeding by importance ordening dendrometric and energetic characteristics, useful for this work 91 disks of DBH were collected, from three plantations at Guarapuava municipality, Parana state, with geographical coordinates 25º 23´ 26´´ S e 51º 27´ 15" E and 1,120 m high. Wood basic density, volume, mass, superior calorific power, energertic density and energetic potential were evaluated. Charcoal yield, condensed and non-condensable gases, fixed carbon, volatiles, ashes, superior calorific power and energetic potential were also evaluated. From the measured characteristics, at the field and laboratory for each individual, multivariable analysis were performed using the main compounds and factorial analysis with the aim of identifying those variables which presented larger contribution for total variance. At E. Benthamii tree selection for energy production, most of the attention should be driven to the variables mass, volume, wood energetic potential and charcoal energetic potential.
doi: 10.4336/2010.pfb.31.65.09
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