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Relative abundance and activity of melanized hyphea in different soil ecosystems

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Publication Date
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Wageningen University and Researchcenter Publications
Keywords
  • Fungal Biomass
  • Decomposition
  • Availability
  • Turnover
  • Litter
  • Lysis
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Abstract

Here we report on the frequency of melanized fungal hyphae in 323 soils, covering different land use types. The proportion of total hyphae that was melanized averaged 61%. Arable fields with loamy sand, heathlands and city parks on sandy soils had the highest percentage of melanized hyphae. In addition to the frequency determinations, a microcosm study was performed on the role of melanized hyphae in two different ecosystems: an ex-arable field and a forest. Melanized hyphae appeared to be part of the active hyphae in the forest soil but not in the ex-arable soil. In conclusion, our results indicate that (1) melanized hyphae represent a large proportion of the total fungal biomass in soils and that (2) their function might differ between ecosystems.

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