Effect of habitat and age on variations in volatile organic compound (VOC) emissions from Quercus ilex and Pinus pinea.

Street, R. A. and Owen, S. and Duckham, S. C. and Boissard, C. and Hewitt, CN (1997) Effect of habitat and age on variations in volatile organic compound (VOC) emissions from Quercus ilex and Pinus pinea. Atmospheric Environment, 31 (Supple). pp. 89-100. ISSN 1352-2310

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Abstract

A dynamic branch enclosure was used to measure emission rates of volatile organic compounds (VOCs) under field conditions from two common native Mediterranean species, Quercus ilex and Pinus pinea. In addition to α-pinene, β-pinene, sabinene, limonene and cineole, a suite of lesser known compounds were tentatively identified including cis- and trans-ocimene, cis- and trans-linalool oxide and sabinaketone. Emissions of isoprene from Quercus ilex were insignificant in comparison to those of the monoterpenes and were not detected from Pinus pinea. Variability in emission rates between two habitats, the forest and the dunes, were assessed for Quercus ilex. Temperature sensitivities of emissions and total summed emission rates from Quercus ilex were clearly related to environmental conditions. Emission rates from Pinus pinea showed great variability, but differences between normalised mean emission rates from mature forest and young plantation trees may be significant. Existing emission rate models were found to inadequately describe the observed data.

Item Type: Journal Article
Journal or Publication Title: Atmospheric Environment
Uncontrolled Keywords: /dk/atira/pure/researchoutput/libraryofcongress/ge
Subjects:
Departments: Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 21962
Deposited By: ep_ss_importer
Deposited On: 16 Feb 2009 13:07
Refereed?: Yes
Published?: Published
Last Modified: 01 Oct 2019 01:26
URI: https://eprints.lancs.ac.uk/id/eprint/21962

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