Higher growth synchrony and climate change‐sensitivity in European beech and silver linden than in temperate oaks
2022-11-24 | journal article. A publication with affiliation to the University of Göttingen.
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Higher growth synchrony and climate change‐sensitivity in European beech and silver linden than in temperate oaks
Kasper, J.; Leuschner, C.; Walentowski, H. & Weigel, R. (2022)
Journal of Biogeography, 50(1) pp. 209-222. DOI: https://doi.org/10.1111/jbi.14525
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- Authors
- Kasper, Jan; Leuschner, Christoph; Walentowski, Helge; Weigel, Robert
- Abstract
- Abstract Aim Climatic changes affect the growth dynamics of temperate trees, but these effects might differ between co‐occurring ring‐ and diffuse‐porous species as well as between mesic and xeric rear‐edge populations. We explore whether recent climate warming has increased the climate sensitivity and within‐stand synchrony of growth in these groups differently. Location The natural beech–oak ecotone in Western Romania at the dry margin of beech occurrence. Taxa Three ring‐porous oak species (Quercus petraea, Q. frainetto and Q. cerris), and diffuse‐porous European beech (Fagus sylvatica) and silver linden (Tilia tomentosa). Methods We correlated tree‐ring records with monthly and seasonal climate data (period 1940–2017). Regional growth synchrony was assessed through the analysis of inter‐series correlation of growth within populations and among populations using mixed models. Results In all five species including two south‐east European oak taxa and silver linden, water availability in summer was the most important climatic determinant of radial growth. This factor has gained in importance since the onset of rapid warming after 1980, while the impact of other climate factors in spring and summer has decreased. Within‐population growth synchrony as a measure of overall climatic stress has increased, or remained stable, since 1980 in beech and silver linden, but has decreased in the oak species, matching declining growth trends in beech and linden and increasing (or stable) trends in the oaks. Main Conclusions The patterns of growth synchrony provide valuable information on tree species' drought susceptibility in efforts to select suitable tree species for climate change‐adapted forestry. The climate vulnerability of beech is higher than that of the more drought‐resistant oak species due to its marked summer‐drought sensitivity of growth.
- Issue Date
- 24-November-2022
- Journal
- Journal of Biogeography
- ISSN
- 0305-0270
- eISSN
- 1365-2699
- Language
- English
- Sponsor
- Bundesamt für Naturschutz http://dx.doi.org/10.13039/501100010415
Bundesministerium für Umwelt, Naturschutz und nukleare Sicherheit http://dx.doi.org/10.13039/501100013549