Role nepůvodních dřevin v zavlékání symbiotických hub

Vlk, Lukáš

The introduction of alien microorganisms so far received much less attention compared to macroorganisms. The introduction of alien fungi is currently considered an important and understudied component of global environmental change. Outbreaks of alien fungal pathogens threaten native plant and animal communities and cause immense ecological and economic damage. The introduction of alien mycorrhizal fungi enables the invasion of their hosts and could significantly alter key ecosystem functions and the soil biogeochemistry of recipient ecosystems. Evidence suggests that the introduction of alien plants serves as a major pathway for the spread of alien fungi. The main goal of this dissertation was to significantly contribute to the understanding of the phenomenon of the introduction of alien fungi. Specifically, this work aims to (1) assess the difference in the strategy of the two most commonly introduced alien tree groups on a global scale, pines and eucalypts, to obtain suitable ECM fungal partners in new areas, (2) assess the prevailing ecology of alien ECM fungi on a global scale, and (3) determine the extent of the introduction of alien fungi associated with alien trees in the chateau parks of the Czech Republic and identify environmental factors that affect their relative abundance, richness...

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