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Volatilome of Aleppo Pine litter over decomposition process.

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Title: Volatilome of Aleppo Pine litter over decomposition process.
Authors: Viros, Justine1 (AUTHOR) justine.viros@imbe.fr, Santonja, Mathieu1 (AUTHOR), Temime‐Roussel, Brice2 (AUTHOR), Wortham, Henri2 (AUTHOR), Fernandez, Catherine1 (AUTHOR), Ormeño, Elena1 (AUTHOR)
Source: Ecology & Evolution (20457758). Jun2021, Vol. 11 Issue 11, p6862-6880. 19p.
Subject Terms: *Acetone, *Volatile organic compounds, *Plant litter, *Forest canopies, *Atmospheric chemistry, Aleppo pine
Abstract: Biogenic Volatile Organic Compounds (BVOC) are largely accepted to contribute to both atmospheric chemistry and ecosystem functioning. While the forest canopy is recognized as a major source of BVOC, emissions from plant litter have scarcely been explored with just a couple of studies being focused on emission patterns over litter decomposition process. The aim of this study was to quantitatively and qualitatively characterize BVOC emissions (C1–C15) from Pinus halepensis litter, one of the major Mediterranean conifer species, over a 15‐month litter decomposition experiment. Senescent needles of P. halepensis were collected and placed in 42 litterbags where they underwent in situ decomposition. Litterbags were collected every 3 months and litter BVOC emissions were studied in vitro using both online (PTR‐ToF‐MS) and offline analyses (GC‐MS). Results showed a large diversity of BVOC (58 compounds detected), with a strong variation over time. Maximum total BVOC emissions were observed after 3 months of decomposition with 9.18 µg gDM−1 hr−1 mainly composed by terpene emissions (e.g., α‐pinene, terpinolene, β‐caryophyllene). At this stage, methanol, acetone, and acetic acid were the most important nonterpenic volatiles representing, respectively, up to 26%, 10%, and 26% of total emissions. This study gives an overview of the evolution of BVOC emissions from litter along with decomposition process and will thus contribute to better understand the dynamics and sources of BVOC emission in Mediterranean pine forests. [ABSTRACT FROM AUTHOR]
Copyright of Ecology & Evolution (20457758) is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Volatilome of Aleppo Pine litter over decomposition process.
– Name: Author
  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Viros%2C+Justine%22">Viros, Justine</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> justine.viros@imbe.fr</i><br /><searchLink fieldCode="AR" term="%22Santonja%2C+Mathieu%22">Santonja, Mathieu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Temime‐Roussel%2C+Brice%22">Temime‐Roussel, Brice</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wortham%2C+Henri%22">Wortham, Henri</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fernandez%2C+Catherine%22">Fernandez, Catherine</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ormeño%2C+Elena%22">Ormeño, Elena</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Ecology+%26+Evolution+%2820457758%29%22">Ecology & Evolution (20457758)</searchLink>. Jun2021, Vol. 11 Issue 11, p6862-6880. 19p.
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: *<searchLink fieldCode="DE" term="%22Acetone%22">Acetone</searchLink><br />*<searchLink fieldCode="DE" term="%22Volatile+organic+compounds%22">Volatile organic compounds</searchLink><br />*<searchLink fieldCode="DE" term="%22Plant+litter%22">Plant litter</searchLink><br />*<searchLink fieldCode="DE" term="%22Forest+canopies%22">Forest canopies</searchLink><br />*<searchLink fieldCode="DE" term="%22Atmospheric+chemistry%22">Atmospheric chemistry</searchLink><br /><searchLink fieldCode="DE" term="%22Aleppo+pine%22">Aleppo pine</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Biogenic Volatile Organic Compounds (BVOC) are largely accepted to contribute to both atmospheric chemistry and ecosystem functioning. While the forest canopy is recognized as a major source of BVOC, emissions from plant litter have scarcely been explored with just a couple of studies being focused on emission patterns over litter decomposition process. The aim of this study was to quantitatively and qualitatively characterize BVOC emissions (C1–C15) from Pinus halepensis litter, one of the major Mediterranean conifer species, over a 15‐month litter decomposition experiment. Senescent needles of P. halepensis were collected and placed in 42 litterbags where they underwent in situ decomposition. Litterbags were collected every 3 months and litter BVOC emissions were studied in vitro using both online (PTR‐ToF‐MS) and offline analyses (GC‐MS). Results showed a large diversity of BVOC (58 compounds detected), with a strong variation over time. Maximum total BVOC emissions were observed after 3 months of decomposition with 9.18 µg gDM−1 hr−1 mainly composed by terpene emissions (e.g., α‐pinene, terpinolene, β‐caryophyllene). At this stage, methanol, acetone, and acetic acid were the most important nonterpenic volatiles representing, respectively, up to 26%, 10%, and 26% of total emissions. This study gives an overview of the evolution of BVOC emissions from litter along with decomposition process and will thus contribute to better understand the dynamics and sources of BVOC emission in Mediterranean pine forests. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Ecology & Evolution (20457758) is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1002/ece3.7533
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 19
        StartPage: 6862
    Subjects:
      – SubjectFull: Acetone
        Type: general
      – SubjectFull: Volatile organic compounds
        Type: general
      – SubjectFull: Plant litter
        Type: general
      – SubjectFull: Forest canopies
        Type: general
      – SubjectFull: Atmospheric chemistry
        Type: general
      – SubjectFull: Aleppo pine
        Type: general
    Titles:
      – TitleFull: Volatilome of Aleppo Pine litter over decomposition process.
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            NameFull: Viros, Justine
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            NameFull: Santonja, Mathieu
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            NameFull: Temime‐Roussel, Brice
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            NameFull: Wortham, Henri
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            NameFull: Fernandez, Catherine
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              M: 06
              Text: Jun2021
              Type: published
              Y: 2021
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              Value: 11
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              Value: 11
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