Shifts in mycorrhizal types of fungi and plants in response to fertilisation, warming and herbivory in a tundra grassland

© 2024 The Authors. New Phytologist © 2024 New Phytologist Foundation.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 243(2024), 3 vom: 01. Juli, Seite 1190-1204
1. Verfasser: Le Noir de Carlan, Coline (VerfasserIn)
Weitere Verfasser: Kaarlejärvi, Elina, De Tender, Caroline, Heinecke, Thilo, Eskelinen, Anu, Verbruggen, Erik
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article fertilisation global change grazing exclusion mycorrhizal fungi tundra warming Fertilizers
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520 |a Climate warming is severely affecting high-latitude regions. In the Arctic tundra, it may lead to enhanced soil nutrient availability and interact with simultaneous changes in grazing pressure. It is presently unknown how these concurrently occurring global change drivers affect the root-associated fungal communities, particularly mycorrhizal fungi, and whether changes coincide with shifts in plant mycorrhizal types. We investigated changes in root-associated fungal communities and mycorrhizal types of the plant community in a 10-yr factorial experiment with warming, fertilisation and grazing exclusion in a Finnish tundra grassland. The strongest determinant of the root-associated fungal community was fertilisation, which consistently increased potential plant pathogen abundance and had contrasting effects on the different mycorrhizal fungal types, contingent on other treatments. Plant mycorrhizal types went through pronounced shifts, with warming favouring ecto- and ericoid mycorrhiza but not under fertilisation and grazing exclusion. Combination of all treatments resulted in dominance by arbuscular mycorrhizal plants. However, shifts in plant mycorrhizal types vs fungi were mostly but not always aligned in their magnitude and direction. Our results show that our ability to predict shifts in symbiotic and antagonistic fungal communities depend on simultaneous consideration of multiple global change factors that jointly alter plant and fungal communities 
650 4 |a Journal Article 
650 4 |a fertilisation 
650 4 |a global change 
650 4 |a grazing exclusion 
650 4 |a mycorrhizal fungi 
650 4 |a tundra 
650 4 |a warming 
650 7 |a Fertilizers  |2 NLM 
700 1 |a Kaarlejärvi, Elina  |e verfasserin  |4 aut 
700 1 |a De Tender, Caroline  |e verfasserin  |4 aut 
700 1 |a Heinecke, Thilo  |e verfasserin  |4 aut 
700 1 |a Eskelinen, Anu  |e verfasserin  |4 aut 
700 1 |a Verbruggen, Erik  |e verfasserin  |4 aut 
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