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Local adaptations to frost in marginal and central populations of the dominant forest tree Fagus sylvatica L. as affected by temperature and extreme drought in common garden experiments

DOI zum Zitieren dieses Dokuments: https://doi.org/10.1002/ece3.971

Title data

Kreyling, Juergen ; Buhk, Constanze ; Backhaus, Sabrina ; Hallinger, M. ; Huber, Gerhard ; Huber, Lukas ; Jentsch, Anke ; Konnert, Monika ; Thiel, Daniel ; Wilmking, Martin ; Beierkuhnlein, Carl:
Local adaptations to frost in marginal and central populations of the dominant forest tree Fagus sylvatica L. as affected by temperature and extreme drought in common garden experiments.
In: Ecology and Evolution. Vol. 4 (2014) Issue 5 . - pp. 594-605.
ISSN 2045-7758
DOI: https://doi.org/10.1002/ece3.971

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Abstract

Local adaptations to environmental conditions are of high ecological importance as they determine distribution ranges and likely affect species responses to climate change. Increased environmental stress (warming, extreme drought) due to climate change in combination with decreased genetic mixing due to isolation may lead to stronger local adaptations of geographically marginal than central populations. We experimentally observed local adaptations of three marginal and four central populations of Fagus sylvatica L., the dominant native forest tree, to frost over winter and in spring (late frost). We determined frost hardiness of buds and roots by the relative electrolyte leakage in two common garden experiments. The experiment at the cold site included a continuous warming treatment; the experiment at the warm site included a preceding summer drought manipulation. In both experiments, we found evidence for local adaptation to frost, with stronger signs of local adaptation in marginal populations. Winter frost killed many of the potted individuals at the cold site, with higher survival in the warming treatment and in those populations originating from colder environments. However, we found no difference in winter frost tolerance of buds among populations, implying that bud survival was not the main cue for mortality. Bud late frost tolerance in April differed between populations at the warm site, mainly because of phenological differences in bud break. Increased spring frost tolerance of plants which had experienced drought stress in the preceding summer could also be explained by shifts in phenology. Stronger local adaptations to climate in geographically marginal than central populations imply the potential for adaptation to climate at range edges. In times of climate change, however, it needs to be tested whether locally adapted populations at range margins can successfully adapt further to changing conditions.

Further data

Item Type: Article in a journal
Additional notes (visible to public): BAYCEER121346
Keywords: Common garden experiment; European beech; frost; local adaptation; minimum temperature; mortality
DDC Subjects: 500 Science
Institutions of the University: Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Chair Biogeography
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Chair Biogeography > Chair Biogeography - Univ.-Prof. Dr. Carl Beierkuhnlein
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Professorship Disturbance Ecology
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Professorship Disturbance Ecology > Professorship Disturbance Ecology - Univ.-Prof. Dr. Anke Jentsch
Research Institutions
Research Institutions > Research Centres
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Language: English
Originates at UBT: Yes
Date Deposited: 01 Dec 2015 10:11
Last Modified: 01 Dec 2015 10:11
URI: https://epub.uni-bayreuth.de/id/eprint/2109

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