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Novel Miscanthus hybrids: Modelling productivity on marginal land in Europe using dynamics of canopy development determined by light interception

Shepherd, A, Awty‐Carroll, D, Kam, J, Ashman, C, Magenau, E, Martani, E, Kontek, M, Ferrarini, A, Amaducci, S, Davey, C, Jurišić, V, Petrie, G, Al Hassan, M, Lamy, I, Lewandowski, I, de Maupeou, E, McCalmont, J, Trindade, L, van der Cruijsen, K, van der Pluijm, P , Rowe, R, Lovett, A, Donnison, I, Kiesel, A, Clifton‐Brown, J and Hastings, A (2023) Novel Miscanthus hybrids: Modelling productivity on marginal land in Europe using dynamics of canopy development determined by light interception. GCB Bioenergy. ISSN 1757-1693

GCB Bioenergy - 2023 - Shepherd - Novel Miscanthus hybrids Modelling productivity on marginal land in Europe using.pdf - Published Version
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Open Access URL: https://doi.org/10.1111/gcbb.13029 (Published version)


New biomass crop hybrids for bioeconomic expansion require yield projections to determine their potential for strategic land use planning in the face of global challenges. Our biomass growth simulation incorporates radiation interception and conversion efficiency. Models often use leaf area to predict interception which is demanding to determine accurately, so instead we use low-cost rapid light interception measurements using a simple laboratory-made line ceptometer and relate the dynamics of canopy closure to thermal time, and to measurements of biomass. We apply the model to project the European biomass potentials of new market-ready hybrids for 2020–2030. Field measurements are easier to collect, the calibration is seasonally dynamic and reduces influence of weather variation between field sites. The model obtained is conservative, being calibrated by crops of varying establishment and varying maturity on less productive (marginal) land. This results in conservative projections of miscanthus hybrids for 2020–2030 based on 10% land use conversion of the least (productive) grassland and arable for farm diversification, which show a European potential of 80.7–89.7 Mt year−1 biomass, with potential for 1.2–1.3 EJ year−1 energy and 36.3–40.3 Mt year−1 carbon capture, with seeded Miscanthus sacchariflorus × sinensis displaying highest yield potential. Simulated biomass projections must be viewed in light of the field measurements on less productive land with high soil water deficits. We are attempting to model the results from an ambitious and novel project combining new hybrids across Europe with agronomy which has not been perfected on less productive sites. Nevertheless, at the time of energy sourcing issues, seed-propagated miscanthus hybrids for the upscaled provision of bioenergy offer an alternative source of renewable energy. If European countries provide incentives for growers to invest, seeded hybrids can improve product availability and biomass yields over the current commercial miscanthus variety.

Item Type: Article
Additional Information: This is the peer reviewed version of the following article: Shepherd, A., Awty-Carroll, D., Kam, J., Ashman, C., Magenau, E., Martani, E., Kontek, M., Ferrarini, A., Amaducci, S., Davey, C., Jurišić, V., Petrie, G.-J., Al Hassan, M., Lamy, I., Lewandowski, I., de Maupeou, E., McCalmont, J., Trindade, L., van der Cruijsen, K. … Hastings, A. (2023). Novel Miscanthus hybrids: Modelling productivity on marginal land in Europe using dynamics of canopy development determined by light interception. GCB Bioenergy, 00, 1– 18, which has been published in final form at https://doi.org/10.1111/gcbb.13029 . This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited.
Uncontrolled Keywords: 1001 Agricultural Biotechnology
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
S Agriculture > S Agriculture (General)
Divisions: Biological & Environmental Sciences (from Sep 19)
Publisher: Wiley
SWORD Depositor: A Symplectic
Date Deposited: 14 Feb 2023 12:36
Last Modified: 14 Feb 2023 12:36
DOI or ID number: 10.1111/gcbb.13029
URI: https://researchonline.ljmu.ac.uk/id/eprint/18887
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