Climate-wise models of biomass productivity for hybrid poplar clones in Europe
Simone Bianchi (1) , Daesung Lee (1), Sara Bergante (2), Gianni Facciotto (2), Jari Hynynen (1), Giuseppe Nervo (2)
iForest - Biogeosciences and Forestry, Volume 16, Issue 3, Pages 188-194 (2023)
doi: https://doi.org/10.3832/ifor4211-016
Published: Jun 30, 2023 - Copyright © 2023 SISEF
Research Articles
Abstract
Renewable bioenergy has the potential to contribute sustainably to the energy sector. Forestry is the main source of biomass for energy in Europe, and poplar (genus Populus) is widely used for short rotation coppice (SRC). Many studies have assessed poplar clones’ productivity but there is a lack of regional studies and links with the climate. We investigated the biomass productivity of twenty hybrid poplar clones for SRC. Clones were planted in sixteen locations across nine countries in Europe, although not all clones were replicated in all locations. In each location, clones were planted in three replicated plots. All plots were harvested after four years, and the aboveground dry biomass estimated. We fitted clone-specific linear mixed models of total aboveground dry biomass production at plot level as function of climatic variables. For many clones (eight) only annual heat moisture deficit negatively affected productivity, in few cases (3) together with a quadratic term for a smoother relationship. In some other clones (five) only the mean summer precipitation positively and linearly affected productivity. On average, the variance explained by the fixed effects in those models was 56%. For the remaining clones (seven), no climate variables resulted significant. Our study explicitly investigated the quantitative link between water availability and poplar SRC productivity, one of the most important known factors but not often studied with a modelling approach. Further, we show the most productive clones in dried conditions. We also highlight the need to larger scale regional experiments to produce models that can be used in climate change scenarios.
Keywords
Hybrid Poplar, Short Rotation Coppice, Aridity Index, Water Availability, Above Ground Biomass
Authors’ Info
Authors’ address
Daesung Lee 0000-0003-1586-9385
Jari Hynynen 0000-0002-9132-8612
LUKE, Latokartanonkaari 9, F-00790, Helsinki (Finland)
Gianni Facciotto 0000-0001-9550-0806
Giuseppe Nervo 0000-0002-8282-7110
CREA, str. Frassineto 35, I-15033, Casale Monferrato, AL (Italy)
Corresponding author
Paper Info
Citation
Bianchi S, Lee D, Bergante S, Facciotto G, Hynynen J, Nervo G (2023). Climate-wise models of biomass productivity for hybrid poplar clones in Europe. iForest 16: 188-194. - doi: 10.3832/ifor4211-016
Academic Editor
Andrea Cutini
Paper history
Received: Aug 25, 2022
Accepted: Mar 30, 2023
First online: Jun 30, 2023
Publication Date: Jun 30, 2023
Publication Time: 3.07 months
Copyright Information
© SISEF - The Italian Society of Silviculture and Forest Ecology 2023
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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References
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