Title of article
No signs of thermal acclimation of heterotrophic respiration from peat soils exposed to different water levels
Author/Authors
Vicca، نويسنده , , Sara and Fivez، نويسنده , , Lise and Kockelbergh، نويسنده , , Fred and Van Pelt، نويسنده , , Dimitri and Segers، نويسنده , , Jan J.R. and Meire، نويسنده , , Patrick and Ceulemans، نويسنده , , Reinhart and Janssens، نويسنده , , Ivan A.، نويسنده ,
Issue Information
ماهنامه با شماره پیاپی سال 2009
Pages
3
From page
2014
To page
2016
Abstract
In a mesocosm experiment, with bare peat soils exposed to different water levels (WL), we examined whether heterotrophic respiration (Rh) acclimated to a 3 °C temperature increase. Across all WLs, Rh at 15 °C was never lower in the heated treatment than in the unheated treatment, indicating that Rh did not acclimate to the warmer conditions. We hypothesize that this lack of thermal acclimation is due to the unlimited substrate availability in these organic soils. These results imply that peat soils may exhibit a sustained positive feedback to global warming.
Keywords
Substrate depletion , heterotrophic respiration , peat soil , Thermal acclimation , Warming
Journal title
Soil Biology and Biochemistry
Serial Year
2009
Journal title
Soil Biology and Biochemistry
Record number
2184360
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