Russian Journal of Ecology

, Volume 49, Issue 3, pp 226–231 | Cite as

Residual Effect of Induced Water Stress and Nitrogen Addition on the Mycobiota in Scots Pine Stands

  • Jurga Motiejūnaitė
  • Rasa Buožytė
  • Gražina Adamonytė
  • Reda Iršenaitė
  • Jonas Kasparavičius
  • Ernestas Kutorga
  • Svetlana Markovskaja
  • Vidas Stakėnas
  • Elena Klyukina
Article
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Abstract

Mycobiota (fungi, lichens and myxomycetes) was examined in permanent plots following experiments of artificial drought (D) and nitrogen addition (N) and compared with untreated forest (C), in Scots pine stand planted on Arenosols. Species diversity and relationships between fungal community structure and environmental variables (plant species numbers and cover, bryophyte cover, soil and bark pH, tree mortality) were explored. Both D and N treatments lead to decrease of fungal species in general, however, responses of individual trophic and ecological groups varied. The strongest effect of the treatments was observed for soil fungi, especially mycorrhizal: numbers of fruiting species and ectomycorrhizal root tips decreased, and species composition has changed. Saprotrophic fungi reacted by changes in species composition but not in numbers. Of the studied environmental variables, the most significant effect on mycobiota had bryophyte and vascular plant cover as well as vascular plant species numbers.

Keywords

fungi lichens myxomycetes ectomycorrhizal root tips artificial drought nitrogen fertilization experiment 

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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  • Jurga Motiejūnaitė
    • 1
  • Rasa Buožytė
    • 1
    • 2
  • Gražina Adamonytė
    • 1
  • Reda Iršenaitė
    • 1
  • Jonas Kasparavičius
    • 1
  • Ernestas Kutorga
    • 3
  • Svetlana Markovskaja
    • 1
  • Vidas Stakėnas
    • 2
  • Elena Klyukina
    • 1
  1. 1.Institute of BotanyNature Research CentreVilniusLithuania
  2. 2.Forest Research InstituteLithuanian Research Centre for Agriculture and ForestryGirionysLithuania
  3. 3.Institute of BiosciencesVilnius UniversityVilniusLithuania

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