Abstract
Microbial biomass and activity were determined in cambisol incubated under ambient and increased (up to 2.23 mmol/L) CO2 concentrations. An immediate negative response of the soil microbial community to [CO]2 increase was observed during the first day with respect to microbial biomass, soil respiration and specific respiration activity (both expressed as CO2 evolution). In contrast, O2 consumption was not affected but anabolic utilization of available substrate increased. These phenomena were observed under conditions of increased CO2 tension but without any change in O2 concentration.
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Šantrůčková, H., Šimek, M. Soil microorganisms at different CO2 and O2 tensions. Folia Microbiol 39, 225–230 (1994). https://doi.org/10.1007/BF02814653
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DOI: https://doi.org/10.1007/BF02814653