Abstract
The response of the cenosis composition of soil saprotrophic microfungi able to utilize the fulvic fraction of soil organic matter to increased concentration of atmospheric carbon dioxide, plant species cover quality and different levels of nitrogen fertilization was determined under field conditions in a free-air carbon dioxide enrichment experiment. Twenty-nine species of microfungi were isolated from the tested soil. The effects of CO2 enrichment and plant species cover were not significant. Nitrogen fertilization was identified as the only significant factor inducing changes in the abundance of soil microorganisms. This was reflected in a relatively low value of quantitative Sørensen similarity index on comparing fertilized and unfertilized treatments and in 2-way ANOVA of total CFU counts. Some differences were observed in species diversity between the two variants of all treatments. No association between microfungi and the factors under study was found by using the Monte Carlo Permutation test in redundancy analysis.
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Abbreviations
- FACE:
-
free-air carbon dioxide enrichment
- RAPD:
-
random amplification of polymorphic DNA
- RDA:
-
redundancy analysis
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The support of this research by grants 526/03/0188, 206/03/H137 of theGrant Agency of the Czech Republic, theInstitutional Research Concept AV0Z5020903 and the foundation “Nadáni Josefa, Marie a Zdeňky Hlávkových” is greatly acknowledged.
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Strnadová, V., Hršelová, H., Kolařík, M. et al. Response of saprotrophic microfungi degrading the fulvic fraction of soil organic matter to different N fertilization intensities, different plant species cover and elevated atmospheric CO2 concentration. Folia Microbiol 49, 563–568 (2004). https://doi.org/10.1007/BF02931534
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DOI: https://doi.org/10.1007/BF02931534