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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1111/nph.18978
|2 doi
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|a pubmed25n1190.xml
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|a (NLM)37229659
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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1 |
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|a Khokon, Anis Mahmud
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Ectomycorrhizal diversity, taxon-specific traits and root N uptake in temperate beech forests
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| 264 |
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|c 2023
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| 336 |
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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
|b cr
|2 rdacarrier
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|a Date Completed 15.06.2023
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|a Date Revised 21.06.2023
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|a published: Print-Electronic
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|a RefSeq: MN947338%2013MN947405
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|a Citation Status MEDLINE
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|a © 2023 The Authors New Phytologist © 2023 New Phytologist Foundation.
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|a Roots of forest trees are colonized by a diverse spectrum of ectomycorrhizal (EM) fungal species differing in their nitrogen (N) acquisition abilities. Here, we hypothesized that root N gain is the result of EM fungal diversity or related to taxon-specific traits for N uptake. To test our hypotheses, we traced 15 N enrichment in fine roots, coarse roots and taxon-specific ectomycorrhizas in temperate beech forests in two regions and three seasons, feeding 1 mM NH4 NO3 labelled with either 15 NH4 + or 15 NO3 - . We morphotyped > 45 000 vital root tips and identified 51 of 53 detected EM species by sequencing. EM root tips exhibited strong, fungal taxon-specific variation in 15 N enrichment with higher NH4 + than NO3 - enrichment. The translocation of N into the upper parts of the root system increased with increasing EM fungal diversity. Across the growth season, influential EM species predicting root N gain were not identified, probably due to high temporal dynamics of the species composition of EM assemblages. Our results support that root N acquisition is related to EM fungal community-level traits and highlight the importance of EM diversity for tree N nutrition
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4 |
|a Journal Article
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4 |
|a Research Support, Non-U.S. Gov't
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| 650 |
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4 |
|a Fagus sylvatica
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| 650 |
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4 |
|a biodiversity
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| 650 |
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4 |
|a ectomycorrhiza
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| 650 |
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4 |
|a mineral nitrogen
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| 650 |
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4 |
|a nutrition
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| 650 |
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4 |
|a stable isotopes
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| 650 |
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7 |
|a Nitrogen
|2 NLM
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| 650 |
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7 |
|a N762921K75
|2 NLM
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| 700 |
1 |
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|a Janz, Dennis
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Polle, Andrea
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t The New phytologist
|d 1979
|g 239(2023), 2 vom: 25. Juli, Seite 739-751
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnas
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| 773 |
1 |
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|g volume:239
|g year:2023
|g number:2
|g day:25
|g month:07
|g pages:739-751
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| 856 |
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|u http://dx.doi.org/10.1111/nph.18978
|3 Volltext
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