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A transplantation experiment along climatic gradients suggests limitations of experimental warming manipulations

Title data

Backhaus, Sabrina ; Kreyling, Jürgen ; Beierkuhnlein, Carl ; Buhk, Constanze ; Nagy, Laura ; Thiel, Daniel ; Jentsch, Anke:
A transplantation experiment along climatic gradients suggests limitations of experimental warming manipulations.
In: Climate Research. Vol. 60 (2014) Issue 1 . - pp. 63-71.
ISSN 1616-1572
DOI: https://doi.org/10.3354/cr01219

Abstract in another language

Transplantation to a warmer site and experimental passive warming are powerful tools for predicting plant responses to climate change. Both techniques are widely applied for the study of plant species and community response to temperature increase. We investigate differences in height increment of Fagus sylvatica seedlings between two different techniques, i.e. experimental warming (passive warming) and transplantation to a warmer site. Additionally, the plants were exposed to an extreme drought, to further examine the influence of the different warming techniques in combination with an additional climatic driver. We found significant differences between the two warming techniques for height increment, which were mainly attributed to stronger differentiation if further exposed to drought (significant interaction between warming and drought). Surprisingly, when subjected to drought, experimental warming had no negative effect on height increment of seedlings, while transplantation decreased height increment by 32% when subjected to drought. Growth did not show a linear dependence on the magnitude of warming. Differences between the warming techniques can therefore not be explained by differences in realized temperature increases. The results of this study emphasize the complexity of simulating global warming, as required for accurate prediction of shifts in plant performance. The role of co-varying parameters such as evapotranspiration, photosynthetically active radiation, and wind speed in addition to experimental temperature increases should be acknowledged when analyzing ecological responses to climate warming.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER120365
Institutions of the University: 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
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 24 Apr 2015 11:55
Last Modified: 24 Apr 2015 11:55
URI: https://eref.uni-bayreuth.de/id/eprint/11318