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    Changes in rainfall distribution promote woody foliage production in the Sahel

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    s42003-019-0383-9.pdf
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    Author
    Brandt, Martin
    Hiernaux, Pierre
    Rasmussen, Kjeld
    Tucker, Compton J
    Wigneron, Jean-Pierre
    Diouf, Abdoul Aziz
    Herrmann, Stefanie M
    Zhang, Wenmin
    Kergoat, Laurent
    Mbow, Cheikh
    Abel, Christin
    Auda, Yves
    Fensholt, Rasmus
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    Affiliation
    Univ Arizona, Agr & Biosyst Engn
    Issue Date
    2019-04-23
    
    Metadata
    Show full item record
    Publisher
    NATURE PUBLISHING GROUP
    Citation
    Brandt, M., Hiernaux, P., Rasmussen, K., Tucker, C. J., Wigneron, J. P., Diouf, A. A., ... & Abel, C. (2019). Changes in rainfall distribution promote woody foliage production in the Sahel. Communications biology, 2(1), 133.
    Journal
    COMMUNICATIONS BIOLOGY
    Rights
    Copyright © The Author(s) 2019. Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/ licenses/by/4.0/.
    Collection Information
    This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
    Abstract
    Dryland ecosystems comprise a balance between woody and herbaceous vegetation. Climate change impacts rainfall timing, which may alter the respective contributions of woody and herbaceous plants on the total vegetation production. Here, we apply 30 years of field-measured woody foliage and herbaceous mass from Senegal and document a faster increase in woody foliage mass (+17 kg ha-1 yr-1) as compared to herbaceous mass (+3 kg ha-1 yr-1). Annual rainfall trends were partitioned into core wet-season rains (+0.7 mm yr-1), supporting a weak but periodic (5-year cycles) increase in herbaceous mass, and early/late rains (+2.1 mm yr-1), explaining the strongly increased woody foliage mass. Satellite observations confirm these findings for the majority of the Sahel, with total herbaceous/woody foliage mass increases by 6%/20%. We conclude that the rainfall recovery in the Sahel does not benefit herbaceous vegetation to the same extent as woody vegetation, presumably favoured by increased early/late rains.
    Note
    Open access journal
    EISSN
    2399-3642
    PubMed ID
    31044158
    DOI
    10.1038/s42003-019-0383-9
    Version
    Final published version
    Sponsors
    AXA research grant; Danish Council for Independent Research (DFF) [DFF - 6111-00258]; CNES (Centre National d'Etudes Spatiales)
    ae974a485f413a2113503eed53cd6c53
    10.1038/s42003-019-0383-9
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    UA Faculty Publications

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