http://www.cnr.it/ontology/cnr/individuo/prodotto/ID13244
Water use of a bioenergy plantation increases in a future high CO2 world (Articolo in rivista)
- Type
- Label
- Water use of a bioenergy plantation increases in a future high CO2 world (Articolo in rivista) (literal)
- Anno
- 2009-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.biombioe.2008.05.009 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- P J Tricker; 1 M Pecchiari; S M Bunn; F P Vaccari; A Peressotti; F Miglietta; G Taylor; (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
- in press, available online (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Titolo
- Water use of a bioenergy plantation increases in a future high CO2 world (literal)
- Abstract
- Fast-growing poplar trees may in future be used as a source of renewable energy for heat,
electricity and biofuels such as bioethanol. Water use in Populus x euramericana (clone I214),
form following long-term exposure to elevated CO2 in the POPFACE (poplar free-air carbon
dioxide enrichment) experiment, is quantified here.
Stomatal conductance was measured and, during two measurement campaigns made
before and after coppicing, whole-tree water use was determined using heat-balance
sap-flow gauges, first validated using eddy covariance measurements of latent heat flux.
Water use was determined by the balance between leaf-level reductions in stomatal
conductance and tree-level stimulations in transpiration. Reductions in stomatal conduc-
tance were found that varied between 16 and 39% relative to ambient air. Whole-tree sap
flow was increased in plants growing under elevated CO2, on average, by 12 and 23%,
respectively, in the first and in the second measurement campaigns.
These results suggest that future CO2 concentrations may result in an increase in seasonal
water use in fast-growing, short-rotation Populus plantations. (literal)
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- Autore CNR
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