Abstract:
:Global climate change includes concomitant changes in many components of the abiotic flux necessary for plant life. In this paper, we investigate the combined effects of elevated CO2 (720 ppm) and temperature (+2 K) on the phytochemistry of three deciduous tree species. The analysis revealed that elevated CO(2) generally stimulated increased carbon partitioning to various classes of phenolic compounds, whereas an increase in temperature had the opposite effect. The combined effects of both elevated CO2 and temperature were additive, i.e., canceling one another's individual effects. Obviously, the effects of global climate change on leaf chemistry must simultaneously consider both temperature and CO2. If these results are generally applicable, then the counteracting effect of the temperature is likely to play a major role in alpine, boreal, and arctic zones in determining the balance between populations of plants and herbivores.
journal_name
J Chem Ecoljournal_title
Journal of chemical ecologyauthors
Veteli TO,Mattson WJ,Niemelä P,Julkunen-Tiitto R,Kellomäki S,Kuokkanen K,Lavola Adoi
10.1007/s10886-006-9235-4subject
Has Abstractpub_date
2007-02-01 00:00:00pages
287-96issue
2eissn
0098-0331issn
1573-1561journal_volume
33pub_type
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