Responses of leaf nitrogen and mobile carbohydrates in different Quercus species/provenances to moderate climate changes

Plant Biology
M-H LiA Rigling

Abstract

Global warming and shortage of water have been evidenced in the recent past and are predicted for the future. Climate change will inevitably have considerable impact on plant physiology, growth, productivity and forest ecosystem functions. The present study determined the effects of simulated daytime air warming (+1 to 1.5 °C during the growing season), drought (-40% and -57% of mean precipitation of 728 mm during the 2007 and 2008 growing season, respectively) and their combination, on leaf nitrogen (N) and non-structural carbohydrates (NSC) of two Quercus species (Q. robur and Q. petraea) and provenances (two provenances for each species) grown in two soil types in Switzerland across two treatment years, to test the hypothesis that leaf N and NSC in the more water-sensitive species (Q. robur) and provenances (originating from water-rich locations) will more strongly respond to global warming and water deficit, compared to those in the more drought-tolerant species (Q. petraea) or provenances. No species- and provenance-specific responses in leaf N and NSC to the climate treatment were found, indicating that the results failed to support our hypothesis. The between-species variation of leaf N and NSC concentrations mainly refl...Continue Reading

References

Jan 9, 2003·Proceedings of the National Academy of Sciences of the United States of America·Eric A GrahamS Joseph Wright
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Mar 29, 2011·Journal of Proteomics·Kjell SergeantJean François Hausman
Mar 1, 2003·Functional Plant Biology : FPB·Manuela M ChavesJoão S Pereira

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Citations

Apr 14, 2017·Global Change Biology·Jordi SardansJosep Peñuelas
Jan 11, 2013·Plant Biology·M S Günthardt-Goerg, M Arend
May 6, 2017·Frontiers in Plant Science·Elisabet Martínez-SanchoAnnette Menzel

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