Soil freeze-thaw cycles and qualitative change in fungal community

Freeze-thaw cycles and fungal communities

From 06/2009 to 12/2010

Principal Investigator: Jürgen Kreyling
Staff: Jens Woellecke

Ongoing global warming is expected to increase the recurrence of soil freeze-thaw cycles (FTC) in cool-temperate and other high-latitude regions due to decreases in snow cover and increased variability of air temperature in winter. FTC currently occur in more than half of the land surface of the northern hemisphere, therefore it is important to explore the ecological implications of their altered regimes due to climate change. Knowledge of FTC effects on fungal communities is scarce, although their importance as mycorrhizal symbionts as well as pathogens for plants is evident. Strong changes in productivity and competition of plant communities after FTC may potentially be triggered by changes in the functional composition of the fungal community. Within this project, we will analyze the effects of intensified FTC in winter on the qualitative composition of fungal communities associated with the applying ITS-sequence analysis.


Funded by: DFG-KR 3309/3-1

List of publications of this Project

Kreyling, J; Persoh, D; Werner, S; Benzenberg, M; Woellecke, J: Short-term impacts of soil freeze-thaw cycles on roots and root-associated fungi of Holcus lanatus and Calluna vulgaris, Plant Soil, 353, 19-31 (2012), doi:10.1007/s11104-011-0970-0 -- Details
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Luftdruck (356m): 975.1 hPa
Lufttemperatur: 10.7 °C
Niederschlag: 0.0 mm/24h
Sonnenschein: <1 h/d
Wind (Höhe 17m): 8.3 km/h
Wind (Max.): 19.4 km/h
Windrichtung: W

Globalstrahlung: 80 W/m²
Lufttemperatur: 6.2 °C
Niederschlag: 0.4 mm/24h
Wind (Höhe 32m): 8.5 km/h

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