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20240220232346.0 |
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240219s2024 xx |||||o 00| ||eng c |
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|a 10.1111/gcb.17181
|2 doi
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|a pubmed24n1300.xml
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|a (NLM)38372171
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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 Qin, Shuping
|e verfasserin
|4 aut
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|a Foliar N2 O emissions constitute a significant source to atmosphere
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|c 2024
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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 20.02.2024
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|a Date Revised 20.02.2024
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|a published: Print
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|a Citation Status MEDLINE
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|a © 2024 John Wiley & Sons Ltd.
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|a Nitrous oxide (N2 O) is a potent greenhouse gas and causes stratospheric ozone depletion. While the emissions of N2 O from soil are widely recognized, recent research has shown that terrestrial plants may also emit N2 O from their leaves under controlled laboratory conditions. However, it is unclear whether foliar N2 O emissions are universal across varying plant taxa, what the global significance of foliar N2 O emissions is, and how the foliage produces N2 O in situ. Here we investigated the abilities of 25 common plant taxa, including trees, shrubs and herbs, to emit N2 O under in situ conditions. Using 15 N isotopic labeling, we demonstrated that the foliage-emitted N2 O was predominantly derived from nitrate. Moreover, by selectively injecting biocide in conjunction with the isolating and back-inoculating of endophytes, we demonstrated that the foliar N2 O emissions were driven by endophytic bacteria. The seasonal N2 O emission rates ranged from 3.2 to 9.2 ng N2 O-N g-1 dried foliage h-1 . Extrapolating these emission rates to global foliar biomass and plant N uptake, we estimated global foliar N2 O emission to be 1.21 and 1.01 Tg N2 O-N year-1 , respectively. These estimates account for 6%-7% of the current global annual N2 O emission of 17 Tg N2 O-N year-1 , indicating that in situ foliar N2 O emission is a universal process for terrestrial plants and contributes significantly to the global N2 O inventory. This finding highlights the importance of measuring foliar N2 O emissions in future studies to enable the accurate assigning of mechanisms and the development of effective mitigation
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|a Journal Article
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|a endophytic bacteria
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|a global warming
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| 650 |
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|a nitrous oxide emissions
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| 650 |
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4 |
|a plant nitrate uptake
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| 650 |
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4 |
|a terrestrial plants
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| 650 |
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|a Soil
|2 NLM
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| 650 |
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|a Greenhouse Gases
|2 NLM
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| 650 |
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|a Nitrous Oxide
|2 NLM
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| 650 |
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|a K50XQU1029
|2 NLM
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| 700 |
1 |
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|a Pang, Yaxing
|e verfasserin
|4 aut
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| 700 |
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|a Hu, Huixian
|e verfasserin
|4 aut
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| 700 |
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|a Liu, Ting
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yuan, Dan
|e verfasserin
|4 aut
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|a Clough, Timothy
|e verfasserin
|4 aut
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1 |
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|a Wrage-Mönnig, Nicole
|e verfasserin
|4 aut
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|a Luo, Jiafa
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Shungui
|e verfasserin
|4 aut
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| 700 |
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|a Ma, Lin
|e verfasserin
|4 aut
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|a Hu, Chunsheng
|e verfasserin
|4 aut
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| 700 |
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|a Oenema, Oene
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Global change biology
|d 1999
|g 30(2024), 2 vom: 31. Feb., Seite e17181
|w (DE-627)NLM098239996
|x 1365-2486
|7 nnns
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| 773 |
1 |
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|g volume:30
|g year:2024
|g number:2
|g day:31
|g month:02
|g pages:e17181
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| 856 |
4 |
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|u http://dx.doi.org/10.1111/gcb.17181
|3 Volltext
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