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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1111/gcb.14994
|2 doi
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|a pubmed24n1017.xml
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|a (DE-627)NLM305247360
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|a (NLM)31926046
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Zhang, Haicheng
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Microbial dynamics and soil physicochemical properties explain large-scale variations in soil organic carbon
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| 264 |
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|c 2020
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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 Revised 29.11.2023
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| 500 |
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|a published: Print-Electronic
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| 500 |
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|a Citation Status PubMed-not-MEDLINE
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| 520 |
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|a © 2020 John Wiley & Sons Ltd.
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|a First-order organic matter decomposition models are used within most Earth System Models (ESMs) to project future global carbon cycling; these models have been criticized for not accurately representing mechanisms of soil organic carbon (SOC) stabilization and SOC response to climate change. New soil biogeochemical models have been developed, but their evaluation is limited to observations from laboratory incubations or few field experiments. Given the global scope of ESMs, a comprehensive evaluation of such models is essential using in situ observations of a wide range of SOC stocks over large spatial scales before their introduction to ESMs. In this study, we collected a set of in situ observations of SOC, litterfall and soil properties from 206 sites covering different forest and soil types in Europe and China. These data were used to calibrate the model MIMICS (The MIcrobial-MIneral Carbon Stabilization model), which we compared to the widely used first-order model CENTURY. We show that, compared to CENTURY, MIMICS more accurately estimates forest SOC concentrations and the sensitivities of SOC to variation in soil temperature, clay content and litter input. The ratios of microbial biomass to total SOC predicted by MIMICS agree well with independent observations from globally distributed forest sites. By testing different hypotheses regarding (using alternative process representations) the physicochemical constraints on SOC deprotection and microbial turnover in MIMICS, the errors of simulated SOC concentrations across sites were further decreased. We show that MIMICS can resolve the dominant mechanisms of SOC decomposition and stabilization and that it can be a reliable tool for predictions of terrestrial SOC dynamics under future climate change. It also allows us to evaluate at large scale the rapidly evolving understanding of SOC formation and stabilization based on laboratory and limited filed observation
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4 |
|a Journal Article
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| 650 |
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4 |
|a climate change
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| 650 |
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4 |
|a microbial physiology
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| 650 |
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4 |
|a soil biogeochemical model
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| 650 |
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4 |
|a soil carbon classification
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| 650 |
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4 |
|a soil carbon stabilization
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| 650 |
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4 |
|a soil organic carbon
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| 650 |
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4 |
|a soil physicochemical property
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| 700 |
1 |
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|a Goll, Daniel S
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Ying-Ping
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ciais, Philippe
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wieder, William R
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Abramoff, Rose
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, Yuanyuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Guenet, Bertrand
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Prescher, Anne-Katrin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Viscarra Rossel, Raphael A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Barré, Pierre
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chenu, Claire
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Guoyi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tang, Xuli
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Global change biology
|d 1999
|g 26(2020), 4 vom: 04. Apr., Seite 2668-2685
|w (DE-627)NLM098239996
|x 1365-2486
|7 nnns
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| 773 |
1 |
8 |
|g volume:26
|g year:2020
|g number:4
|g day:04
|g month:04
|g pages:2668-2685
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| 856 |
4 |
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|u http://dx.doi.org/10.1111/gcb.14994
|3 Volltext
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|d 26
|j 2020
|e 4
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|c 04
|h 2668-2685
|