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    • Tree-Ring Research, Volume 66, Issue 2 (Jul 2010)
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    Changes In Wood Anatomy In Tree Rings Of Pinus Pinaster Ait. Following Wounding By Flash Floods

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    Author
    Ballesteros, J. A.
    Stoffel, M.
    Bodoque, J. M.
    Bollschweiler, M.
    Hitz, O.
    Díez-Herrero, A.
    Affiliation
    Department of Research and Geoscientific Prospective, Geological Survey of Spain (IGME)
    Laboratory of Dendrogeomorphology, Institute of Geological Sciences, University of Berne
    Climatic Change and Climate Impacts, Institute for Environmental Sciences, University of Geneva
    Department of Geosciences, Geography, chemin du Musée 4, University of Fribourg
    Mining and Geological Engineering Department, University of Castilla La Mancha, Campus Fábrica de Armas
    Issue Date
    2010-07
    Keywords
    Dendrochronology
    Tree Rings
    Dendrogeomorphology
    Wood Anatomy
    Lumen
    Tracheids
    Resin Ducts
    Flash Floods
    Maritime Pine
    Pinus pinaster Ait.
    
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    Rights
    Copyright © Tree-Ring Society. All rights reserved.
    Collection Information
    This item is part of the Tree-Ring Research (formerly Tree-Ring Bulletin) archive. For more information about this peer-reviewed scholarly journal, please email the Editor of Tree-Ring Research at editor@treeringsociety.org.
    Publisher
    Tree-Ring Society
    Journal
    Tree-Ring Research
    Citation
    Ballesteros, J. A., Stoffel, M., Bodoque, J. M., Bollschweiler, M., Hitz, O., Díez-Herrero, A., 2010. Changes in wood anatomy in tree rings of Pinus pinaster Ait. following wounding by flash floods. Tree-Ring Research 66(2):93-103.
    Abstract
    This paper analyzes the anatomical response of Pinus pinaster Ait. following wounding by flash floods. A total of 14 wood samples were taken from 14 different scarred trees located on the river banks of the Arroyo Cabrera torrent (Spanish Central System). In addition, 20 increment cores were collected from undisturbed and healthy P. pinaster trees to build a local reference chronology. For the injured trees, analysis focused on growth changes in early earlywood (EE) tracheids, namely on differences in (i) lumen size; (ii) cell-wall percentage and cell-wall thickness; (iii) radial length and tangential width of tracheids; as well as (iv) in the abundance of resin ducts in earlywood (EW) and latewood (LW) following wounding. Results indicate that tissues bordering flash-flood wounds are characterized by reduced growth rates and a decrease of EE tracheid lumen area by 51%. In addition, cell-wall percentage increases by 34% in the increment rings formed after the event and significant changes are observed in the radial length and tangential width of EE tracheids. Observations on resin ducts do not yield any significant results. Based on these anatomical parameters, detecting and dating past flash-flood events in growth rings is now possible for Mediterranean species, specifically P. pinaster.
    ISSN
    2162-4585
    1536-1098
    Additional Links
    http://www.treeringsociety.org
    Collections
    Tree-Ring Research, Volume 66, Issue 2 (Jul 2010)

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