CR 70:133-141 (2016)  -  DOI: https://doi.org/10.3354/cr01402

Recent growth coherence in long-term oak (Quercus spp.) ring width chronologies in the Czech Republic

Petr Dobrovolný1,2,*, Michal Rybníček2,3, Ulf Büntgen2,4,5, Miroslav Trnka2,6, Rudolf Brázdil1,2, Zdenĕk Stachŏn1, Ondˇrej Prokop3, Tomáš Kolář2,3

1Department of Geography, Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic
2Global Change Research Institute, Czech Academy of Sciences, Bˇelidla 986/4a, 603 00 Brno, Czech Republic
3Department of Wood Science, Mendel University in Brno, Zemědělská 1, 613 00 Brno, Czech Republic
4Swiss Federal Research Institute for Forest, Snow and Landscape WSL, Zürcherstrasse 111, 8903 Birmensdorf, Switzerland
5Oeschger Centre for Climate Change Research, Falkenplatz 16, 3012 Bern, Switzerland
6Department of Agrosystems and Bioclimatology, Mendel University in Brno, Zemědělská 1, 613 00 Brno, Czech Republic
*Corresponding author: *

ABSTRACT: Oak ring width measurements compiled from 44 sampling sites throughout the territory of the Czech Republic are analysed for the 1655-2013 period. Measurements taken at all these sites are sorted into 10 sub-chronologies on the basis of 5 environmental factors: soil moisture (dry/wet), elevation (low/high), age (young/old), species (Quercus robur or Q. petraea), and geographical position (east/west). Several statistical tests are applied to investigate existing significant differences between chronologies during 1920-2013. Further, the sensitivities of individual sub-chronologies to precipitation are compared. Three tests indicate 5 pairs of very similar sub-chronologies. Moreover, the growth-response to May-July precipitation totals is very much the same in these sub-chronologies. This analysis demonstrates that, even in the absence of certainty about age structure, species composition and some environmental factors in the earlier parts of oak ring width chronologies, the internal homogeneity of the chronology remains essentially unaffected, and the lack of such information does not preclude their use in dendroclimatology.


KEY WORDS: Tree-ring width chronology · Oak species · Tree-age structure · Site-specific conditions · Hydroclimate sensitivity · Czech Republic


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Cite this article as: Dobrovolný P, Rybníček M, Büntgen U, Trnka M and others (2016) Recent growth coherence in long-term oak (Quercus spp.) ring width chronologies in the Czech Republic. Clim Res 70:133-141. https://doi.org/10.3354/cr01402

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