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    Amazonian biogenic volatile organic compounds under global change

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    Authors
    Yáñez‐Serrano, A.M.
    Bourtsoukidis, E.
    Alves, E.G.
    Bauwens, M.
    Stavrakou, T.
    Llusia, J.
    Filella, I.
    Guenther, A.
    Williams, J.
    Artaxo, P.
    Sindelarova, K.
    Doubalova, J.
    Kesselmeier, J.
    Peñuelas, J.
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    Discipline
    Earth and related Environmental sciences
    Subject
    air chemistry
    Amazonia
    biogenic volatile organic compounds
    climate
    depositional processes
    ecological interactions
    global change
    land cover
    land use
    Audience
    Scientific
    Date
    2020
    Metadata
    Show full item record
    Description
    Biogenic volatile organic compounds (BVOCs) play important roles at cellular, foliar, ecosystem and atmospheric levels. The Amazonian rainforest represents one of the major global sources of BVOCs, so its study is essential for understanding BVOC dynamics. It also provides insights into the role of such large and biodiverse forest ecosystem in regional and global atmospheric chemistry and climate. We review the current information on Amazonian BVOCs and identify future research priorities exploring biogenic emissions and drivers, ecological interactions, atmospheric impacts, depositional processes and modifications to BVOC dynamics due to changes in climate and land cover. A feedback loop between Amazonian BVOCs and the trends of climate and land‐use changes in Amazonia is then constructed. Satellite observations and model simulation time series demonstrate the validity of the proposed loop showing a combined effect of climate change and deforestation on BVOC emission in Amazonia. A decreasing trend of isoprene during the wet season, most likely due to forest biomass loss, and an increasing trend of the sesquiterpene to isoprene ratio during the dry season suggest increasing temperature stress‐induced emissions due to climate change.
    Citation
    Yáñez‐Serrano, A.M.; Bourtsoukidis, E.; Alves, E.G.; Bauwens, M.; Stavrakou, T.; Llusia, J.; Filella, I.; Guenther, A.; Williams, J.; Artaxo, P.; Sindelarova, K.; Doubalova, J.; Kesselmeier, J.; Peñuelas, J. (2020). Amazonian biogenic volatile organic compounds under global change. , Global Change Biology, Vol. 26, Issue 9, 4722-4751, DOI: 10.1111/gcb.15185.
    Identifiers
    uri: https://orfeo.belnet.be/handle/internal/7576
    doi: http://dx.doi.org/10.1111/gcb.15185
    Type
    Article
    Peer-Review
    Yes
    Language
    eng
    Links
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