Changes in fungal communities along a boreal forest soil fertility gradient

© 2015 The Authors. New Phytologist © 2015 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 207(2015), 4 vom: 01. Sept., Seite 1145-58
1. Verfasser: Sterkenburg, Erica (VerfasserIn)
Weitere Verfasser: Bahr, Adam, Brandström Durling, Mikael, Clemmensen, Karina E, Lindahl, Björn D
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't ecosystem fertility ergosterol fungal biomass fungal communities high-throughput sequencing mycorrhiza Soil Carbon mehr... 7440-44-0 Nitrogen N762921K75 Ergosterol Z30RAY509F
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520 |a Boreal forests harbour diverse fungal communities with decisive roles in decomposition and plant nutrition. Although changes in boreal plant communities along gradients in soil acidity and nitrogen (N) availability are well described, less is known about how fungal taxonomic and functional groups respond to soil fertility factors. We analysed fungal communities in humus and litter from 25 Swedish old-growth forests, ranging from N-rich Picea abies stands to acidic and N-poor Pinus sylvestris stands. 454-pyrosequencing of ITS2 amplicons was used to analyse community composition, and biomass was estimated by ergosterol analysis. Fungal community composition was significantly related to soil fertility at the levels of species, genera/orders and functional groups. Ascomycetes dominated in less fertile forests, whereas basidiomycetes increased in abundance in more fertile forests, both in litter and humus. The relative abundance of mycorrhizal fungi in the humus layer remained high even in the most fertile soils. Tolerance to acidity and nitrogen deficiency seems to be of greater importance than plant carbon (C) allocation patterns in determining responses of fungal communities to soil fertility, in old-growth boreal forests 
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700 1 |a Bahr, Adam  |e verfasserin  |4 aut 
700 1 |a Brandström Durling, Mikael  |e verfasserin  |4 aut 
700 1 |a Clemmensen, Karina E  |e verfasserin  |4 aut 
700 1 |a Lindahl, Björn D  |e verfasserin  |4 aut 
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