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240330s2024 xx |||||o 00| ||eng c |
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|a 10.1111/nph.19724
|2 doi
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|a pubmed24n1416.xml
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|a eng
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|a Tenhovirta, Salla A M
|e verfasserin
|4 aut
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| 245 |
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|a Aerobic methane production in Scots pine shoots is independent of drought or photosynthesis
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| 264 |
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 23.05.2024
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|a Date Revised 23.05.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2024 The Authors New Phytologist © 2024 New Phytologist Foundation.
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|a Shoot-level emissions of aerobically produced methane (CH4) may be an overlooked source of tree-derived CH4, but insufficient understanding of the interactions between their environmental and physiological drivers still prevents the reliable upscaling of canopy CH4 fluxes. We utilised a novel automated chamber system to continuously measure CH4 fluxes from the shoots of Pinus sylvestris (Scots pine) saplings under drought to investigate how canopy CH4 fluxes respond to the drought-induced alterations in their physiological processes and to isolate the shoot-level production of CH4 from soil-derived transport and photosynthesis. We found that aerobic CH4 emissions are not affected by the drought-induced stress, changes in physiological processes, or decrease in photosynthesis. Instead, these emissions vary on short temporal scales with environmental drivers such as temperature, suggesting that they result from abiotic degradation of plant compounds. Our study shows that aerobic CH4 emissions from foliage are distinct from photosynthesis-related processes. Thus, instead of photosynthesis rates, it is more reliable to construct regional and global estimates for the aerobic CH4 emission based on regional differences in foliage biomass and climate, also accounting for short-term variations of weather variables such as air temperature and solar radiation
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|a Journal Article
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|a Scots pine
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|a aerobic methane production
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|a boreal forests
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|a methane
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|a plant‐mediated emissions
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|a Methane
|2 NLM
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| 650 |
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7 |
|a OP0UW79H66
|2 NLM
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| 700 |
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|a Kohl, Lukas
|e verfasserin
|4 aut
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| 700 |
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|a Koskinen, Markku
|e verfasserin
|4 aut
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| 700 |
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|a Polvinen, Tatu
|e verfasserin
|4 aut
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| 700 |
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|a Salmon, Yann
|e verfasserin
|4 aut
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| 700 |
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|a Paljakka, Teemu
|e verfasserin
|4 aut
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| 700 |
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|a Pihlatie, Mari
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 242(2024), 6 vom: 29. Mai, Seite 2440-2452
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|x 1469-8137
|7 nnns
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|g volume:242
|g year:2024
|g number:6
|g day:29
|g month:05
|g pages:2440-2452
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|u http://dx.doi.org/10.1111/nph.19724
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