http://www.cnr.it/ontology/cnr/individuo/prodotto/ID172638

Monoterpene emissions from three Nothofagus species in Patagonia, Argentina. (Articolo in rivista)

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Monoterpene emissions from three Nothofagus species in Patagonia, Argentina. (Articolo in rivista) (literal)

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Centritto M., Di Bella CM., Baraldi R., Beget ME., Kemerer A., Rapparini F., Oricchio P., Rebella C., Loreto F. (2008)
Monoterpene emissions from three Nothofagus species in Patagonia, Argentina.
in Journal of plant interactions (Print)
(literal)

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Centritto M., Di Bella CM., Baraldi R., Beget ME., Kemerer A., Rapparini F., Oricchio P., Rebella C., Loreto F. (literal)

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Centritto, Mauro; Consiglio Nazionale delle Ricerche, Istituto di Biologia Agroambientale e Forestale Di Bella, Carlos; INTA, Instituto de Clima y Agua Baraldi, Rita; Consiglio Nazionale delle Ricerche, Istituto di Biometeorologia Beget, Maria Eugenia; INTA, Instituto de Clima y Agua Kemerer, Alejandra; INTA, Instituto de Clima y Agua Rapparini, Francesca; Consiglio Nazionale delle Ricerche, Istituto di Biometeorologia Rebella, Cesar; INTA, Instituto de Clima y Agua Loreto, Francesco; Consiglio Nazionale delle Ricerche, Istituto di Biologia Agroambientale e Forestale (literal)

Titolo

Monoterpene emissions from three Nothofagus species in Patagonia, Argentina. (literal)

Abstract

Isoprenoid emissions have key roles in plant biology and plant interactions with the environment. Global emission inventories of isoprenoid emissions still lack information from a large number species, especially from South American vegetation other than the rainforest ecosystem. A study was conducted to identify the basal emission of isoprenoid under field conditions from three Nothofagus species. The three Nothofagus species were characterized as strong monoterpene emitters while the emission of isoprene was undetectable. The two deciduous species, N. pumilio and N. antarctica, had similar photosynthetic parameters, but monoterpene emission rate and, consequently, the fraction of photosynthetic carbon re-emitted in the atmosphere as monoterpenes, were more than three-fold higher in N. pumilio than in N. Antarctica. The evergreen species N. dombeyi showed intermediate values of both monoterpene emission rate and fraction of photosynthetic carbon re-emitted. The monoterpene emission spectrum was very similar among the three Nothofagus species screened, but clearly different from the spectrum reported in other monoterpene-emitting species of the Fagaceae family. The importance of these findings for atmospheric chemistry and phylogenic evolution are discussed. (literal)

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