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231223s2011 xx |||||o 00| ||eng c |
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|a 10.1111/j.1469-8137.2010.03485.x
|2 doi
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|a pubmed24n0673.xml
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|a (NLM)20880225
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Högberg, Peter
|e verfasserin
|4 aut
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| 245 |
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|a Recovery of ectomycorrhiza after 'nitrogen saturation' of a conifer forest
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|c 2011
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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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| 500 |
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|a Date Completed 30.03.2011
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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 © The Authors (2010). Journal compilation © New Phytologist Trust (2010).
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|a Trees reduce their carbon (C) allocation to roots and mycorrhizal fungi in response to high nitrogen (N) additions, which should reduce the N retention capacity of forests. The time needed for recovery of mycorrhizas after termination of N loading remains unknown. Here, we report the long-term impact of N loading and the recovery of ectomycorrhiza after high N loading on a Pinus sylvestris forest. We analysed the N% and abundance of the stable isotope (15) N in tree needles and soil, soil microbial fatty acid biomarkers and fungal DNA. Needles in N-loaded plots became enriched in (15) N, reflecting decreased N retention by mycorrhizal fungi and isotopic discrimination against (15) N during loss of N. Meanwhile, needles in N-limited (control) plots became depleted in (15) N, reflecting high retention of (15) N by mycorrhizal fungi. N loading was terminated after 20yr. The δ(15) N and N% of the needles decreased 6yr after N loading had been terminated, and approached values in control plots after 15yr. This decrease, and the larger contributions compared with N-loaded plots of a fungal fatty acid biomarker and ectomycorrhizal sequences, suggest recovery of ectomycorrhiza. High N loading rapidly decreased the functional role of ectomycorrhiza in the forest N cycle, but significant recovery occurred within 6-15yr after termination of N loading
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Nitrogen Isotopes
|2 NLM
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| 650 |
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|a Soil
|2 NLM
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| 650 |
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|a Carbon
|2 NLM
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|a 7440-44-0
|2 NLM
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| 650 |
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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 Johannisson, Christian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yarwood, Stephanie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Callesen, Ingeborg
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Näsholm, Torgny
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Myrold, David D
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Högberg, Mona N
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 189(2011), 2 vom: 15. Jan., Seite 515-25
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:189
|g year:2011
|g number:2
|g day:15
|g month:01
|g pages:515-25
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|u http://dx.doi.org/10.1111/j.1469-8137.2010.03485.x
|3 Volltext
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