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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1111/gcb.16448
|2 doi
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|a pubmed25n1156.xml
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|a (DE-627)NLM346930510
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|a (NLM)36177515
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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 Li, Jin-Tao
|e verfasserin
|4 aut
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| 245 |
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|a Low soil moisture suppresses the thermal compensatory response of microbial respiration
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|c 2023
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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 03.01.2023
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|a Date Revised 23.01.2023
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|a published: Print-Electronic
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|a CommentIn: Glob Chang Biol. 2023 Feb;29(3):566-568. doi: 10.1111/gcb.16524. - PMID 36380698
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|a Citation Status MEDLINE
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|a © 2022 John Wiley & Sons Ltd.
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|a The thermal compensatory response of microbial respiration contributes to a decrease in warming-induced enhancement of soil respiration over time, which could weaken the positive feedback between the carbon cycle and climate warming. Climate warming is also predicted to cause a worldwide decrease in soil moisture, which has an effect on the microbial metabolism of soil carbon. However, whether and how changes in moisture affect the thermal compensatory response of microbial respiration are unexplored. Here, using soils from an 8-year warming experiment in an alpine grassland, we assayed the thermal response of microbial respiration rates at different soil moisture levels. The results showed that relatively low soil moisture suppressed the thermal compensatory response of microbial respiration, leading to an enhanced response to warming. A subsequent moisture incubation experiment involving off-plot soils also showed that the response of microbial respiration to 100 d warming shifted from a slight compensatory response to an enhanced response with decreasing incubation moisture. Further analysis revealed that such respiration regulation by moisture was associated with shifts in enzymatic activities and carbon use efficiency. Our findings suggest that future drought induced by climate warming might weaken the thermal compensatory capacity of microbial respiration, with important consequences for carbon-climate feedback
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|a Journal Article
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|a carbon use efficiency
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| 650 |
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4 |
|a climate warming
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| 650 |
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4 |
|a enzymatic activity
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| 650 |
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4 |
|a microbial respiration
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| 650 |
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4 |
|a soil carbon decomposition
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| 650 |
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4 |
|a soil moisture
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| 650 |
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4 |
|a thermal adaptation
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| 650 |
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|a Soil
|2 NLM
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| 650 |
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7 |
|a Carbon
|2 NLM
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| 650 |
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7 |
|a 7440-44-0
|2 NLM
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| 700 |
1 |
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|a Zhang, Yan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Hongyang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sun, Huiming
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tian, Weitao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Jinquan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Xiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Shurong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fang, Changming
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Bo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Nie, Ming
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Global change biology
|d 1999
|g 29(2023), 3 vom: 25. Feb., Seite 874-889
|w (DE-627)NLM098239996
|x 1365-2486
|7 nnas
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| 773 |
1 |
8 |
|g volume:29
|g year:2023
|g number:3
|g day:25
|g month:02
|g pages:874-889
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| 856 |
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|u http://dx.doi.org/10.1111/gcb.16448
|3 Volltext
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|d 29
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|e 3
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|c 02
|h 874-889
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