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Indices of soil respiration are widely used for evaluation of ecosystem productivity as well as for analysis of activity of soil microbiocenosis. Evolution of carbon dioxide can be an objective index of decomposition of soil organic matter and permits to characterize one of the most important aspects of biological cycle. This article analyzes dynamics of carbon dioxide evolution rate in ordinary chernozem upon contamination with antibiotics (ampicillin, streptomycin, tylosin, tromexin, aliseryl) in the concentrati...

The soil is a major reservoir for carbon (C) in biosphere, containing globally twice as much C as the atmosphere and three times as much as vegetation. Soil CO2 efflux is highly sensitive to changes in surface temperature and relatively small changes in surface temperature may have a major influence on the magnitude of soil efflux. The potential increase in CO2 release from the soil caused by future elevated temperature may have a positive feedback effect on the atmospheric CO2 and global changes. For estimation o...