Nutritional, carbon and energy evaluation of Eucalyptus nitens short rotation bioenergy plantations in northwestern Spain
Marta González-García (1) , Andrea Hevia (1), Juan Majada (1), Fernando Rubiera (2), Marcos Barrio-Anta (3)
iForest - Biogeosciences and Forestry, Volume 9, Issue 2, Pages 303-310 (2015)
doi: https://doi.org/10.3832/ifor1505-008
Published: Oct 05, 2015 - Copyright © 2015 SISEF
Research Articles
Abstract
This study provides essential information related to the nutrient and carbon levels and the energy potential of Eucalytpus nitens (Deane & Maiden) Maiden bionenergy plantations located in northwestern Spain. Nutritional analysis showed that leaves and bark had the highest concentrations of N, P, K and Mg. Carbon concentration was constant for all above-ground tree components. Nutrients and carbon were analyzed at stand level according to plantation productivity. Stemwood, the main tree component at the end of the rotation, had the highest nutrient content, except for N and Ca, which were highest in leaves and bark respectively. Based on this study, the nutrient content per ha of above-ground biomass was 243-706 kg N, 44-122 kg P, 131-375 kg K, 121-329 kg Ca and 25-67 kg Mg at the end of the bioenergy rotation (6-12 years, depending on site quality) and 19-56 Mg C ha-1. Energy analysis showed a fairly constant Net Calorific Value for wood, 18.32 ± 0.19 MJ kg-1. The results obtained are valuable for selecting the most appropriate forest management system in these bioenergy plantations, and thereby promote the sustainable use of woody crops.
Keywords
Eucalyptus, Woody Crops, Bioenergy, Site Quality, Nutrient, Carbon, Energy Potential, Calorific Value
Authors’ Info
Authors’ address
Andrea Hevia
Juan Majada
Forest and Wood Technology Research Centre (CETEMAS), E-33820 Grado (Spain)
Instituto Nacional del Carbon (INCAR-CSIC), Apartado 73, E-33080 Oviedo (Spain)
Department of Organisms and Systems Biology, Polytechnic School of Mieres, University of Oviedo, E-33600 Mieres (Spain)
Corresponding author
Paper Info
Citation
González-García M, Hevia A, Majada J, Rubiera F, Barrio-Anta M (2015). Nutritional, carbon and energy evaluation of Eucalyptus nitens short rotation bioenergy plantations in northwestern Spain. iForest 9: 303-310. - doi: 10.3832/ifor1505-008
Academic Editor
Gianfranco Minotta
Paper history
Received: Nov 19, 2014
Accepted: May 18, 2015
First online: Oct 05, 2015
Publication Date: Apr 26, 2016
Publication Time: 4.67 months
Copyright Information
© SISEF - The Italian Society of Silviculture and Forest Ecology 2015
Open Access
This article is distributed under the terms of the Creative Commons Attribution-Non Commercial 4.0 International (https://creativecommons.org/licenses/by-nc/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
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