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Tree-stem diameter fluctuates with the lunar tides and perhaps with geomagnetic activity
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SYSNO ASEP 0348404 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Tree-stem diameter fluctuates with the lunar tides and perhaps with geomagnetic activity Author(s) Barlow, P. W. (GB)
Mikulecký, M. (US)
Střeštík, Jaroslav (GFU-E) RIDSource Title Protoplasma - ISSN 0033-183X
Roč. 247, č. 1-2 (2010), s. 25-43Number of pages 19 s. Language eng - English Country AT - Austria Keywords lunisolar tidal acceleration ; stem diameter variation ; transpiration ; Thule index Subject RIV DE - Earth Magnetism, Geodesy, Geography CEZ AV0Z30120515 - GFU-E (2005-2011) UT WOS 000284430600004 DOI 10.1007/s00709-010-0136-6 Annotation Our initial objective has been to examine the suggestion of Zürcher et al. (Nature 392:665–666, 1998) that the naturally occurring variations in stem diameter of two experimental trees of Picea alba were related to nearsimultaneous variations in the lunisolar tidal acceleration. The relationship was positive: Lunar peaks were roughly synchronous with stem diameter peaks. To extend the investigation of this putative relationship, additional data on stem diameter variations from six other tree species were gathered from published literature. Sixteen sets of data were analysed retrospectively using graphical representations as well as cosinor analysis, statistical cross-correlation and cross-spectral analysis, together with estimated values of the lunisolar tidal acceleration corresponding to the sites, dates and times of collection of the biological data. Workplace Geophysical Institute Contact Hana Krejzlíková, kniha@ig.cas.cz, Tel.: 267 103 028 Year of Publishing 2011
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