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Yield and spatial supply of bioenergy poplar and willow short-rotation coppice in the UK

Yield and spatial supply of bioenergy poplar and willow short-rotation coppice in the UK
Yield and spatial supply of bioenergy poplar and willow short-rotation coppice in the UK
Limited information on likely supply and spatial yield of bioenergy crops exists for the UK. Here, productivities are reported of poplar (Populus spp.) and willow (Salix spp.) grown as short-rotation coppice (SRC), using data from a large 49-site yield trial network.

A partial least-squares regression technique was used to upscale actual field trial observations across England and Wales. Spatial productivity was then assessed under different land-use scenarios.

Mean modelled yields ranged between 4.9 and 10.7 oven-dry tonnes (odt) ha?1 yr?1. Yields were generally higher in willow than in poplar, reflecting the susceptibility of older poplar genotypes to rust and their tendency for single stem dominance. Replacing 10% of arable land, 20% of improved grassland and 100% of set-aside grassland in England and Wales with the three most productive genotypes would yield 13 Modt of biomass annually (supplying 7% of UK electricity production or 48% of UK combined heat and power (CHP) production).

Results show existing SRC genotypes have the immediate potential to be an important component of a mixed portfolio of renewables and that, in future, as new and improved genotypes become available, higher yields could extend this potential further.
0028-646X
358
Aylott, Matthew J.
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Casella, E.
263f8583-9b70-49bd-9cc5-acfd56ecf5d8
Tubby, I.
ba638e56-3f40-406c-8feb-95179e32e458
Street, N. R.
4b4b3380-ecf1-415a-bf1b-a0e02da44ebd
Smith, P.
11f678ab-4aee-426a-aedd-19719d80bbbc
Taylor, Gail
f3851db9-d37c-4c36-8663-e5c2cb03e171
Aylott, Matthew J.
d3fd126c-169e-463c-bf90-86b112e6eac7
Casella, E.
263f8583-9b70-49bd-9cc5-acfd56ecf5d8
Tubby, I.
ba638e56-3f40-406c-8feb-95179e32e458
Street, N. R.
4b4b3380-ecf1-415a-bf1b-a0e02da44ebd
Smith, P.
11f678ab-4aee-426a-aedd-19719d80bbbc
Taylor, Gail
f3851db9-d37c-4c36-8663-e5c2cb03e171

Aylott, Matthew J., Casella, E., Tubby, I., Street, N. R., Smith, P. and Taylor, Gail (2008) Yield and spatial supply of bioenergy poplar and willow short-rotation coppice in the UK. New Phytologist, 178 (2), 358. (doi:10.1111/j.1469-8137.2008.02396.x).

Record type: Article

Abstract

Limited information on likely supply and spatial yield of bioenergy crops exists for the UK. Here, productivities are reported of poplar (Populus spp.) and willow (Salix spp.) grown as short-rotation coppice (SRC), using data from a large 49-site yield trial network.

A partial least-squares regression technique was used to upscale actual field trial observations across England and Wales. Spatial productivity was then assessed under different land-use scenarios.

Mean modelled yields ranged between 4.9 and 10.7 oven-dry tonnes (odt) ha?1 yr?1. Yields were generally higher in willow than in poplar, reflecting the susceptibility of older poplar genotypes to rust and their tendency for single stem dominance. Replacing 10% of arable land, 20% of improved grassland and 100% of set-aside grassland in England and Wales with the three most productive genotypes would yield 13 Modt of biomass annually (supplying 7% of UK electricity production or 48% of UK combined heat and power (CHP) production).

Results show existing SRC genotypes have the immediate potential to be an important component of a mixed portfolio of renewables and that, in future, as new and improved genotypes become available, higher yields could extend this potential further.

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Published date: April 2008
Organisations: Biological Sciences

Identifiers

Local EPrints ID: 159987
URI: https://eprints.soton.ac.uk/id/eprint/159987
ISSN: 0028-646X
PURE UUID: 2a4c3489-1871-4e71-aee7-e91548dfbc89
ORCID for Gail Taylor: ORCID iD orcid.org/0000-0001-8470-6390

Catalogue record

Date deposited: 08 Jul 2010 07:51
Last modified: 12 Nov 2019 01:54

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