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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1111/nph.14213
|2 doi
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|a pubmed25n0884.xml
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|a DE-627
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|e rakwb
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|a eng
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1 |
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|a Baskaran, Preetisri
|e verfasserin
|4 aut
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| 245 |
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|a Modelling the influence of ectomycorrhizal decomposition on plant nutrition and soil carbon sequestration in boreal forest ecosystems
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|c 2017
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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 12.02.2018
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2016 The Authors. New Phytologist © 2016 New Phytologist Trust.
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|a Tree growth in boreal forests is limited by nitrogen (N) availability. Most boreal forest trees form symbiotic associations with ectomycorrhizal (ECM) fungi, which improve the uptake of inorganic N and also have the capacity to decompose soil organic matter (SOM) and to mobilize organic N ('ECM decomposition'). To study the effects of 'ECM decomposition' on ecosystem carbon (C) and N balances, we performed a sensitivity analysis on a model of C and N flows between plants, SOM, saprotrophs, ECM fungi, and inorganic N stores. The analysis indicates that C and N balances were sensitive to model parameters regulating ECM biomass and decomposition. Under low N availability, the optimal C allocation to ECM fungi, above which the symbiosis switches from mutualism to parasitism, increases with increasing relative involvement of ECM fungi in SOM decomposition. Under low N conditions, increased ECM organic N mining promotes tree growth but decreases soil C storage, leading to a negative correlation between C stores above- and below-ground. The interplay between plant production and soil C storage is sensitive to the partitioning of decomposition between ECM fungi and saprotrophs. Better understanding of interactions between functional guilds of soil fungi may significantly improve predictions of ecosystem responses to environmental change
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|a Journal Article
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|a carbon (C) sequestration
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|a ectomycorrhizal (ECM) decomposition
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|a mutualistic-parasitic continuum
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|a nitrogen (N) availability
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|a optimal C allocation
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|a plant growth
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|a Soil
|2 NLM
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|a Carbon
|2 NLM
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|a 7440-44-0
|2 NLM
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|a Nitrogen
|2 NLM
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| 650 |
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|a N762921K75
|2 NLM
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| 700 |
1 |
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|a Hyvönen, Riitta
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Berglund, S Linnea
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Clemmensen, Karina E
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ågren, Göran I
|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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| 700 |
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|a Manzoni, Stefano
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1990
|g 213(2017), 3 vom: 10. Feb., Seite 1452-1465
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:213
|g year:2017
|g number:3
|g day:10
|g month:02
|g pages:1452-1465
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|u http://dx.doi.org/10.1111/nph.14213
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