Phospholipid fatty acid composition of microorganisms in pine forest soils of Central Siberia |
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| Authors: | S. Yu. Evgrafova H. Santruckova O. B. Shibistova D. Elhottova B. Cerna G. K. Zrazhevskaya D. Lloyd |
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| Affiliation: | (1) Institute of Forestry, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russia;(2) Faculty of Biological Sciences, University of South Bohemia, Branisovska 31, Ceske Budejovice, 37005, Czech Republic;(3) School of Geography, University of Leeds, Leeds, West Yorkshire, LS29JT, UK |
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| Abstract: | The phospholipid fatty acid (PLFA) composition of microorganisms in podzolic soils of pine forests was studied in Central Siberia. The live microbial biomass in the 1-m mineral soil layer was found to gradually decrease with depth. Although the biomass decreased by half in the lower horizons, its content remained sufficiently high (12–14 nmol FAs/g soil). The coefficient of similarity in the fatty acid composition between the soils of forest and open (unforested) sites was 0.85. The coefficient of fatty acid richness in the mineral soil layer decreased with depth, while differences in fatty acid profiles increased. |
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