TY - JOUR
T1 - Long-term warming of a subarctic heath decreases soil bacterial community growth but has no effects on its temperature adaptation
AU - Rinnan, Riikka
AU - Michelsen, Anders
AU - Bååth, E
PY - 2011/3
Y1 - 2011/3
N2 - We tested whether bacterial communities of subarctic heath soil are adapted to elevated temperature after experimental warming by open-top greenhouses for 7 or 17 years. The long-term warming by 1–2 °C significantly decreased bacterial community growth, by 28% and 73% after 7 and 17 years, respectively. The decrease was most likely due to decreased availability of labile substrate under warming. However, we found no evidence for temperature adaptation of soil bacterial communities. The optimum temperature for bacterial growth was on average 25 °C, and the apparent minimum temperature for growth between -7.3 and -6.1 °C, and both were unaffected by warming.
AB - We tested whether bacterial communities of subarctic heath soil are adapted to elevated temperature after experimental warming by open-top greenhouses for 7 or 17 years. The long-term warming by 1–2 °C significantly decreased bacterial community growth, by 28% and 73% after 7 and 17 years, respectively. The decrease was most likely due to decreased availability of labile substrate under warming. However, we found no evidence for temperature adaptation of soil bacterial communities. The optimum temperature for bacterial growth was on average 25 °C, and the apparent minimum temperature for growth between -7.3 and -6.1 °C, and both were unaffected by warming.
U2 - 10.1016/j.apsoil.2010.12.011
DO - 10.1016/j.apsoil.2010.12.011
M3 - Journal article
SN - 0929-1393
VL - 47
SP - 217
EP - 220
JO - Applied Soil Ecology
JF - Applied Soil Ecology
IS - 3
ER -