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dc.contributor.authorBartolomé, Jordi-
dc.contributor.authorPeñuelas, Josep-
dc.contributor.authorFilella, Iolanda-
dc.contributor.authorLlusia, Joan-
dc.contributor.authorBroncano, M. José-
dc.contributor.authorPlaixats, J.-
dc.date.accessioned2013-01-09T09:55:26Z-
dc.date.available2013-01-09T09:55:26Z-
dc.date.issued2007-10-
dc.identifier.citationJournal of Environmental Biology 28(4) : 697-700 (2007)es_ES
dc.identifier.issn0254-8704-
dc.identifier.urihttp://hdl.handle.net/10261/63853-
dc.description4 páginas, 1 figura.es_ES
dc.description.abstractPlants usually emit large amount and varieties of volatiles after being damaged by herbivores. However, analytical methods for measuring herbivore-induced volatiles do not normally monitor the whole range of volatiles and the response to large herbivores such as large mammals is much less studied than the response to other herbivores such as insects. In this paper we present the results of using a highly sensitive proton transfer reaction-mass spectrometry (PTR-MS) technique that allows simultaneous monitoring of leaf volatiles in the pptv range. The resulting mass scans in air over Mediterranean shrubland browsed by horses show 70 to 100% higher concentrations of the masses corresponding to mass fragments 57, 43 and 41 (mostly hexenals, acetone and acetic acid) than scans over control non-browsed shrubland. These compounds are biogeochemically active and they are significant components of the volatile organic carbon found in the atmosphere. They influence the performance of living organisms and, the chemical and physical processes of Earth’s atmosphere.es_ES
dc.description.sponsorshipThis research was partially supported by the European Commission contract MC-RTN-CT-2003-504720 (ISONET), and by Spanish MCYT REN2003-04871 and CGL2004-01402/BOS and REN2002-04300-CO2-01, Catalan SGR2005-00312 and Fundación Banco Bilbao Vizcaya 2004 grants.es_ES
dc.language.isoenges_ES
dc.publisherAcademy of Environmental Biology, Indiaes_ES
dc.rightsopenAccesses_ES
dc.subjectHexenales_ES
dc.subjectLOX volatileses_ES
dc.subjectAcetic acides_ES
dc.subjectAcetonees_ES
dc.subjectBiogenic VOCses_ES
dc.subjectHerbivoryes_ES
dc.titleMass scans from a proton transfer mass spectrometry analysis of air over Mediterranean shrubland browsed by horseses_ES
dc.typeartículoes_ES
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://www.jeb.co.in/journal_issues/200710_oct07/paper_01.pdfes_ES
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