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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1111/gcb.15865
|2 doi
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|a pubmed24n1099.xml
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|a (DE-627)NLM329806513
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|a (NLM)34437735
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Gong, Yu
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Vegetation composition modulates the interaction of climate warming and elevated nitrogen deposition on nitrous oxide flux in a boreal peatland
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|c 2021
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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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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 01.11.2021
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|a Date Revised 01.11.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2021 John Wiley & Sons Ltd.
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|a Northern peatlands with large organic nitrogen (N) storage have the potential to be N2 O hotspots under climate warming, elevated N deposition, and vegetation composition change caused by climate change. However, the interactions of these three factors and the primary controls on N2 O fluxes in peatlands are not well-known. Here, the three factors were manipulated in a boreal bog in western Newfoundland, Canada for 5 years. We found that warming mitigated the positive N effect on N2 O fluxes in the mid-growing season under intact vegetation owing to the increase of available N uptake by vegetation and less N for N2 O production. In contrast, warming strengthened the N effect on N2 O fluxes in the early growing season under the absence of graminoids or shrubs, which could be attributed to the increase of available carbon and nitrogen for N2 O production. It should be noted that these effects were not observed under the condition of low carbon availability. In addition, gross primary production was found as a critical control on N2 O fluxes under N addition. Our findings emphasize that the interaction of abiotic (warming and elevated nitrogen deposition) and biotic factors (vegetation composition change) on N2 O fluxes should be taken into account in order to project N2 O fluxes in peatland ecosystems accurately
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| 650 |
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4 |
|a Journal Article
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| 650 |
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4 |
|a N deposition
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| 650 |
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4 |
|a N2O
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| 650 |
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4 |
|a global warming
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| 650 |
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4 |
|a vegetation composition
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| 650 |
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7 |
|a Soil
|2 NLM
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| 650 |
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7 |
|a Carbon Dioxide
|2 NLM
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| 650 |
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7 |
|a 142M471B3J
|2 NLM
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| 650 |
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7 |
|a Nitrous Oxide
|2 NLM
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| 650 |
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7 |
|a K50XQU1029
|2 NLM
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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 Wu, Jianghua
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Global change biology
|d 1999
|g 27(2021), 21 vom: 26. Nov., Seite 5588-5598
|w (DE-627)NLM098239996
|x 1365-2486
|7 nnns
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| 773 |
1 |
8 |
|g volume:27
|g year:2021
|g number:21
|g day:26
|g month:11
|g pages:5588-5598
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| 856 |
4 |
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|u http://dx.doi.org/10.1111/gcb.15865
|3 Volltext
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|d 27
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|e 21
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|h 5588-5598
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