Volatile organic compounds emitted by Quercus pyrenaica Willd. and its relationship with saproxylic beetle assemblages

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Title: Volatile organic compounds emitted by Quercus pyrenaica Willd. and its relationship with saproxylic beetle assemblages
Authors: Ramilo-Ríos, Pablo | Guerrero Martínez, Juan Ramón | Micó, Estefanía | Galante, Eduardo
Research Group/s: Biodiversidad y Biotecnología aplicadas a la Biología de la Conservación
Center, Department or Service: Universidad de Alicante. Departamento de Ciencias Ambientales y Recursos Naturales | Universidad de Alicante. Centro Iberoamericano de la Biodiversidad
Keywords: Volatile organic compounds | Quercus pyrenaica | Tedlar® bags | GC/MS | Coleoptera
Knowledge Area: Zoología
Issue Date: Apr-2017
Publisher: Springer Science+Business Media Dordrecht
Citation: Arthropod-Plant Interactions. 2017, 11(2): 221-234. doi:10.1007/s11829-016-9483-3
Abstract: Volatile organic compounds (VOCs) emitted by plants play a critical role in the structure of the faunal communities that are associated with them. The aim of this work was to provide a detailed list of VOCs emitted by the oak species Quercus pyrenaica Willd. and to analyse the spatio-temporal variation in the emission rates of these compounds and in the diversity of saproxylic beetle assemblages associated with this tree species. VOCs sample collection was carried out by a dynamic flow-through enclosure technique with subsequent analysis by gas chromatography–mass spectrometry. Statistical differences in the emission rates of VOCs and in the diversity of saproxylic beetles were found between seasons. Temperature and relative humidity seemed to be related to these variations. Spatially, neither qualitative nor quantitative statistical differences in the emission of VOCs were found. Nevertheless, the results demonstrated a trend such that larger trees emitted VOCs with higher intensity and hosted a greater diversity of saproxylic beetles. Our hypothesis that beetles responded to certain blends of VOCs emitted at different rates by potential host tress and not so much to the absence or presence of a particular compound was reinforced by the absence of qualitative differences in the VOCs emitted by trees of different sizes. These results open a new field of study, and it will be necessary to become more involved with the subject to evaluate the real influence of these VOCs released by trees in saproxylic beetle assemblages.
Sponsor: Financial support was provided by the “Ministerio de Ciencia e Innovación and fondos EU FEDER” (CGL 2012-31669) and “Generalitat Valenciana” (PROMETEO/2013/034). P.R.R. acknowledges the PhD scholarship provided by “Ministerio de Educación, Cultura y Deporte” (FPU13/00096).
URI: http://hdl.handle.net/10045/66515
ISSN: 1872-8855 (Print) | 1872-8847 (Online)
DOI: 10.1007/s11829-016-9483-3
Language: eng
Type: info:eu-repo/semantics/article
Rights: © Springer Science+Business Media Dordrecht 2016. The final publication is available at Springer via http://dx.doi.org/10.1007/s11829-016-9483-3
Peer Review: si
Publisher version: http://dx.doi.org/10.1007/s11829-016-9483-3
Appears in Collections:INV - BBaBC - Artículos de Revistas

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