Fire effect on soil organic matter bulk and compound specific stable isotopes (¿13C, ¿D IRMS & Py-CSIA)

Fire effect on soil organic matter bulk and compound specific stable isotopes (¿13C, ¿D IRMS & Py-CSIA)

Comunicación oral presentada en la 5th International Conference of Fire Effects on Soil Properties (FESP5) University College Dublin 14th-17th July (2015)

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Main Authors: Jiménez Morillo, N. T., Rosa Arranz, José M. de la, Almendros Martín, Gonzalo, González-Vila, Francisco Javier, González-Pérez, José Antonio
Format: comunicación de congreso biblioteca
Published: University College Dublin 2015-07-14
Online Access:http://hdl.handle.net/10261/132868
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spelling dig-irnas-es-10261-1328682019-08-06T09:27:07Z Fire effect on soil organic matter bulk and compound specific stable isotopes (¿13C, ¿D IRMS & Py-CSIA) Jiménez Morillo, N. T. Rosa Arranz, José M. de la Almendros Martín, Gonzalo González-Vila, Francisco Javier González-Pérez, José Antonio Comunicación oral presentada en la 5th International Conference of Fire Effects on Soil Properties (FESP5) University College Dublin 14th-17th July (2015) The effect of a wildfire in the soil organic matter (SOM) isotopic signature was analysed in a comparative manner in fire-affected and nearby non-affected Arenosol from the Doñana National Park (Andalusia, SW Spain). The main vegetation was cork oak (Quercus suber) and the fire event occurred in the summer of 2012. Carbon and hydrogen stable isotopic analysis (¿13C and ¿D IRMS) was done in bulk (whole soil and particle-size fractions). In addition a detailed compound specific isotopic analysis of carbon (¿13C) and hydrogen (¿D) using direct pyrolysis (Py-CSIA) was also conducted in the same soil size fractions. Heat caused SOM dD and d13C fractionation both, in the bulk soil samples and in pyrolysis released specific compounds from different biogenic origin i.e. non-specific aromatics (alkylbenzenes and alkylphenols), fatty acids, lignin-derived methoxyphenols, N-bearing compounds from peptides and polysaccharide-derived structures. Particularly informative about the passage of fire where conspicuous shifts found in the isotopic signatures of hydrocarbon series (n-alkanes) with 14 to 28 carbon atoms chain length. The results will be discussed in relation to the meaning of the differences found in relation to SOM evolution and to the potential use of stable isotope fractionation as proxies to study the effect of fire in SOM. http://www.ucd.ie/ecomodel/fesp5/pdf/FESP5_abstracts.pdf Peer Reviewed 2016-06-02T05:57:54Z 2016-06-02T05:57:54Z 2015-07-14 2016-06-02T05:57:55Z comunicación de congreso http://purl.org/coar/resource_type/c_5794 5th International Conference of Fire Effects on Soil Properties 14th-17th July, Dublin. Pag. 29 (2015) http://hdl.handle.net/10261/132868 http://www.ucd.ie/ecomodel/fesp5/pdf/FESP5_abstracts.pdf Sí none University College Dublin
institution IRNAS ES
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country España
countrycode ES
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databasecode dig-irnas-es
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region Europa del Sur
libraryname Biblioteca del IRNAS España
description Comunicación oral presentada en la 5th International Conference of Fire Effects on Soil Properties (FESP5) University College Dublin 14th-17th July (2015)
format comunicación de congreso
author Jiménez Morillo, N. T.
Rosa Arranz, José M. de la
Almendros Martín, Gonzalo
González-Vila, Francisco Javier
González-Pérez, José Antonio
spellingShingle Jiménez Morillo, N. T.
Rosa Arranz, José M. de la
Almendros Martín, Gonzalo
González-Vila, Francisco Javier
González-Pérez, José Antonio
Fire effect on soil organic matter bulk and compound specific stable isotopes (¿13C, ¿D IRMS & Py-CSIA)
author_facet Jiménez Morillo, N. T.
Rosa Arranz, José M. de la
Almendros Martín, Gonzalo
González-Vila, Francisco Javier
González-Pérez, José Antonio
author_sort Jiménez Morillo, N. T.
title Fire effect on soil organic matter bulk and compound specific stable isotopes (¿13C, ¿D IRMS & Py-CSIA)
title_short Fire effect on soil organic matter bulk and compound specific stable isotopes (¿13C, ¿D IRMS & Py-CSIA)
title_full Fire effect on soil organic matter bulk and compound specific stable isotopes (¿13C, ¿D IRMS & Py-CSIA)
title_fullStr Fire effect on soil organic matter bulk and compound specific stable isotopes (¿13C, ¿D IRMS & Py-CSIA)
title_full_unstemmed Fire effect on soil organic matter bulk and compound specific stable isotopes (¿13C, ¿D IRMS & Py-CSIA)
title_sort fire effect on soil organic matter bulk and compound specific stable isotopes (¿13c, ¿d irms & py-csia)
publisher University College Dublin
publishDate 2015-07-14
url http://hdl.handle.net/10261/132868
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