Experimental soil warming shifts the fungal community composition at the alpine treeline

© 2017 The Authors. New Phytologist © 2017 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 215(2017), 2 vom: 30. Juli, Seite 766-778
1. Verfasser: Solly, Emily F (VerfasserIn)
Weitere Verfasser: Lindahl, Björn D, Dawes, Melissa A, Peter, Martina, Souza, Rômulo C, Rixen, Christian, Hagedorn, Frank
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article 454-pyrosequencing Larix decidua Pinus uncinata ectomycorrhiza free air CO2 enrichment (FACE) fungal community nitrogen (N) soil warming Soil mehr... Carbon Dioxide 142M471B3J Nitrogen N762921K75
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520 |a Increased CO2 emissions and global warming may alter the composition of fungal communities through the removal of temperature limitation in the plant-soil system, faster nitrogen (N) cycling and changes in the carbon (C) allocation of host plants to the rhizosphere. At a Swiss treeline featuring Larix decidua and Pinus uncinata, the effects of multiple years of CO2 enrichment and experimental soil warming on the fungal community composition in the organic horizons were analysed using 454-pyrosequencing of ITS2 amplicons. Sporocarp production and colonization of ectomycorrhizal root tips were investigated in parallel. Fungal community composition was significantly altered by soil warming, whereas CO2 enrichment had little effect. Tree species influenced fungal community composition and the magnitude of the warming responses. The abundance of ectomycorrhizal fungal taxa was positively correlated with N availability, and ectomycorrhizal taxa specialized for conditions of high N availability proliferated with warming, corresponding to considerable increases in inorganic N in warmed soils. Traits related to N utilization are important in determining the responses of ectomycorrhizal fungi to warming in N-poor cold ecosystems. Shifts in the overall fungal community composition in response to higher temperatures may alter fungal-driven processes with potential feedbacks on ecosystem N cycling and C storage at the alpine treeline 
650 4 |a Journal Article 
650 4 |a 454-pyrosequencing 
650 4 |a Larix decidua 
650 4 |a Pinus uncinata 
650 4 |a ectomycorrhiza 
650 4 |a free air CO2 enrichment (FACE) 
650 4 |a fungal community 
650 4 |a nitrogen (N) 
650 4 |a soil warming 
650 7 |a Soil  |2 NLM 
650 7 |a Carbon Dioxide  |2 NLM 
650 7 |a 142M471B3J  |2 NLM 
650 7 |a Nitrogen  |2 NLM 
650 7 |a N762921K75  |2 NLM 
700 1 |a Lindahl, Björn D  |e verfasserin  |4 aut 
700 1 |a Dawes, Melissa A  |e verfasserin  |4 aut 
700 1 |a Peter, Martina  |e verfasserin  |4 aut 
700 1 |a Souza, Rômulo C  |e verfasserin  |4 aut 
700 1 |a Rixen, Christian  |e verfasserin  |4 aut 
700 1 |a Hagedorn, Frank  |e verfasserin  |4 aut 
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