First vs. second rotation of a poplar short rotation coppice: leaf area development, light interception and radiation use efficiency
Laura S Broeckx, Stefan PP Vanbeveren , Melanie S Verlinden, Reinhart Ceulemans
iForest - Biogeosciences and Forestry, Volume 8, Issue 5, Pages 565-573 (2015)
doi: https://doi.org/10.3832/ifor1457-008
Published: Apr 27, 2015 - Copyright © 2015 SISEF
Research Articles
Abstract
Given the high expectations for lignocellulosic biomass as one of the potential solutions for energy security and climate change mitigation, commercial scale studies over several rotations are crucial to assess the potential and the sustainability of short rotation coppice (SRC) cultures for bioenergy. The first and the second rotation of the SRC poplar (Populus) plantation of the present study differed significantly in biomass yield and in productivity determinants and their relationships. Coppicing enhanced leaf area development, radiation interception and woody biomass productivity. High total leaf area and radiation use efficiency (RUE) equally contributed to the high biomass yield during the establishment rotation, while RUE became the most important determinant of biomass yield after coppice. The study confirmed the significant genotypic variation in biomass productivity and its underlying determinants, also among more recently selected poplar genotypes. The absence of a correlation between intercepted radiation and RUE suggests the potential of selecting for genotypes combining high total leaf area and photosynthetic carbon uptake in future breeding programs for yield maximization towards sustainable bioenergy cultivation.
Keywords
Genotypic Variation, Leaf Area Index, Aboveground Woody Biomass Productivity, Bioenergy, Populus, POPFULL
Authors’ Info
Authors’ address
Stefan PP Vanbeveren
Melanie S Verlinden
Reinhart Ceulemans
Department of Biology, Research Group of Plant and Vegetation Ecology, University of Antwerp, Universiteitsplein 1, Wilrijk B-2610 (Belgium)
Corresponding author
Paper Info
Citation
Broeckx LS, Vanbeveren SPP, Verlinden MS, Ceulemans R (2015). First vs. second rotation of a poplar short rotation coppice: leaf area development, light interception and radiation use efficiency. iForest 8: 565-573. - doi: 10.3832/ifor1457-008
Academic Editor
Giorgio Matteucci
Paper history
Received: Sep 25, 2014
Accepted: Mar 10, 2015
First online: Apr 27, 2015
Publication Date: Oct 01, 2015
Publication Time: 1.60 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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