Carbon accumulation in lowland bog soils of fallow lands in Murmansk oblast |
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Authors: | A A Romanovskaya |
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Institution: | (1) Institute of Global Climate and Ecology, State Committee for Hydrometeorology of the Russian Federation, Russian Academy of Sciences, Glebovskaya ul. 20B, Moscow, 107258, Russia |
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Abstract: | The dynamics of organic carbon accumulation in lowland bog soils of Murmansk oblast were assessed by analyzing soil samples from fields formerly sown with perennial grasses but withdrawn from agricultural use three, six, and eight years ago. Within three years, the organic carbon content in the topsoil (0–20 cm) increased by 0.07%, compared to that in cultivated soil. In six-and eight-year-old fallows, the increase in the soil carbon content averaged 0.2 and 0.46%, respectively. Experimental data were used for verifying calculations of carbon turnover in lowland bog soils of fallows in Murmansk oblast by the RothC model. |
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Keywords: | soil organic carbon CO2 absorption fallow lands Murmansk oblast |
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