Tree stem diameters fluctuate with tide

descriptionPublicationkeyboard_double_arrow_right Article 01 Apr 1998 Italy English Publisher:Springer Science and Business Media LLCJournal:Nature, volume 392, pages 665-666 (issn: 0028-0836, eissn: 1476-4687,

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Authors: E. Zuercher; Cantiani, Maria; D. Michel; F. Sorbetti Guerri;

doi: 10.1038/33570

handle: 11572/59328 , 2158/312079

Tree stem diameters fluctuate with tide

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Abstract

The diameter of tree stems growing under open and controlled conditions undergoes rhythmic fluctuations independent of daily periodic factors such as light, temperature and humidity. We find a strong correlation between these fluctuations and the timing and strength of tides. This correlation suggests that the Moon is influencing the flow of water between different parts of the trees.

Country

Italy

Related Organizations

University of Florence
Italy
New York University
Italy
University of Trento
Italy
École Polytechnique Fédérale de Lausanne EPFL
Switzerland

Keywords

Reversible stem diameter variation; daily lunar synodic rhytm

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