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Winter warming is ecologically more relevant than summer warming in a cool-temperate grassland

Title data

Kreyling, Jürgen ; Grant, Kerstin ; Hammerl, Verena ; Arfin Khan, Mohammed Abu Sayed ; Malyshev, Andrey V. ; Peñuelas, Josep ; Pritsch, Karin ; Sardans, Jordi ; Schloter, Michael ; Schürings, Jan ; Jentsch, Anke ; Beierkuhnlein, Carl:
Winter warming is ecologically more relevant than summer warming in a cool-temperate grassland.
In: Scientific Reports. Vol. 9 (10 October 2019) . - No. 14632.
ISSN 2045-2322
DOI: https://doi.org/10.1038/s41598-019-51221-w

Abstract in another language

Climate change affects all seasons, but warming is more pronounced in winter than summer at mid- and high latitudes. Winter warming can have profound ecological effects, which are rarely compared to the effects of summer warming, and causal explanations are not well established. We compared mild aboveground infrared warming in winter to warming in summer in a semi-natural, cool-temperate grassland in Germany for four years. Aboveground plant biomass increased following winter warming (+18%) and was unaffected by summer warming. Winter warming affected the composition of the plant community more than summer warming, favoring productive species. Winter warming increased soil respiration more than summer warming. Prolonged growing seasons and changes in plant-community composition accounted for the increased aboveground biomass production. Winter warming stimulated ecological processes, despite causing frost damage to plant roots and microorganisms during an extremely cold period when warming reduced the thermal insulation provided by snow. Future warming beyond such intermittent frosts may therefore further increase the accelerating effects of winter warming on ecological processes.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: 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 > Professor Disturbance Ecology > Professor Disturbance Ecology - Univ.-Prof. Dr. Anke Jentsch
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
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 > Professor Disturbance Ecology
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 08 Oct 2020 10:02
Last Modified: 14 Dec 2020 12:10
URI: https://eref.uni-bayreuth.de/id/eprint/57880