Abstract
Isolations of soil microfungi from the humus (F/H-layer) of a coniferous forest soil which was either unpolluted (pH 4.1) or polluted (pH 6.6) for 25 years by deposition of alkaline dust, were made by soil washing and spore plating. Both techniques revealed similar changes in species composition. Alkaline dust exposure caused a reduction in overall species numbers, but led to higher relative isolation frequencies of Mortierella alpina, Oidiodendron tenuissimum, Penicillium montanese, Sagenomella verticillata, and Trichosporiella sporotrichioides. The incidence of M. isabellina, O. cf. clamydosporium, P. spinulosum, Penicillium sp. 1, P. sclerotiorum, Trichoderma viride, and Verticillium bulbillosum was reduced on polluted sites. The amount of the mainly fungal-derived phospholipid fatty acid 18 : 2ω6 decreased by 23%, while the amount of ergosterol increased by 9% in the polluted soil.
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Fritze, H., Bååth, E. Microfungal species composition and fungal biomass in a coniferous forest soil polluted by alkaline deposition. Microb Ecol 25, 83–92 (1993). https://doi.org/10.1007/BF00182131
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DOI: https://doi.org/10.1007/BF00182131