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231224s2015 xx |||||o 00| ||eng c |
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|a 10.1111/nph.13208
|2 doi
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|a pubmed25n0814.xml
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|a DE-627
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|a eng
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| 100 |
1 |
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|a Clemmensen, Karina E
|e verfasserin
|4 aut
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| 245 |
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|a Carbon sequestration is related to mycorrhizal fungal community shifts during long-term succession in boreal forests
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|c 2015
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 28.09.2015
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|a Date Revised 18.04.2021
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|a published: Print-Electronic
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|a CommentIn: New Phytol. 2015 Mar;205(4):1378-1380. doi: 10.1111/nph.13289. - PMID 25645716
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|a Citation Status MEDLINE
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|a © 2014 The Authors New Phytologist © 2014 New Phytologist Trust.
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|a Boreal forest soils store a major proportion of the global terrestrial carbon (C) and below-ground inputs contribute as much as above-ground plant litter to the total C stored in the soil. A better understanding of the dynamics and drivers of root-associated fungal communities is essential to predict long-term soil C storage and climate feedbacks in northern ecosystems. We used 454-pyrosequencing to identify fungal communities across fine-scaled soil profiles in a 5000 yr fire-driven boreal forest chronosequence, with the aim of pinpointing shifts in fungal community composition that may underlie variation in below-ground C sequestration. In early successional-stage forests, higher abundance of cord-forming ectomycorrhizal fungi (such as Cortinarius and Suillus species) was linked to rapid turnover of mycelial biomass and necromass, efficient nitrogen (N) mobilization and low C sequestration. In late successional-stage forests, cord formers declined, while ericoid mycorrhizal ascomycetes continued to dominate, potentially facilitating long-term humus build-up through production of melanized hyphae that resist decomposition. Our results suggest that cord-forming ectomycorrhizal fungi and ericoid mycorrhizal fungi play opposing roles in below-ground C storage. We postulate that, by affecting turnover and decomposition of fungal tissues, mycorrhizal fungal identity and growth form are critical determinants of C and N sequestration in boreal forests
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|a Journal Article
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|a 454-sequencing
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|a Betula pubescens
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|a Picea abies
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4 |
|a Pinus sylvestris
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|a boreal forest
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|a carbon (C) sequestration
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|a ectomycorrhizal exploration types
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| 650 |
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4 |
|a mycorrhizal symbiosis
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| 700 |
1 |
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|a Finlay, Roger D
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dahlberg, Anders
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Stenlid, Jan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wardle, David A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lindahl, Björn D
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
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