Juvenile height growth response of sessile oak populations to simulated climatic change based on provenance test data
Csaba Mátyás, Anikó Kóczán-Horváth, Kremer Antoine & Saenz-Romero Cuauhtémoc
Correspondence: Mátyás Csaba
Postal address: H-9400 Sopron, Bajcsy-Zsilinszky u. 4.
The report presents the analysis of phenotypic response (reaction norm) of selected sessile oak populations to simulated climate change, based on 10-year height data from an international provenance experiment network initiated by INRA (France). Reaction norms were calculated for assessing tolerance of populations to (simulated) warmer and dryer conditions than at origin. The unilateral responses to waming and drying climatic conditions have been linear. The maximum growth potential of populations was shifted toward more favorable conditions than the original ones. Phenotypic plasticity of populations of various provenance, interpreted as an indicator of climate sensitivity, was found significantly different. The provenances from the Carpathian Basin have shown average performance compared to other European populations. The better phenotypic plasticity of populations originating closer to the xeric (trailing, lower) limit is the most important result of the analysis, in terms of reproductive material use. The results corroborate the concept of "assisted migration" for sessile oak and may support the development of a strategy for adaptive forest management.
Keywords: adaptability, phenotypic plasticity, climate tolerance, provenance test, assisted migration
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Cite this article as:
Mátyás, Cs., Kóczán-Horváth, A., Antoine, K. & Cuauhtémoc, S. (2018): Juvenile height growth response of sessile oak populations to simulated climatic change based on provenance test data. Bulletin of Forestry Science, 8(1): 131-148. (in Hungarian) DOI: 10.17164/EK.2018.009
Volume 8, Issue 1
30 May 2018
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