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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1111/gcb.15851
|2 doi
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|a pubmed24n1098.xml
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|a (DE-627)NLM329507761
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|a (NLM)34407262
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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 Elrys, Ahmed S
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Patterns and drivers of global gross nitrogen mineralization in soils
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| 264 |
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|c 2021
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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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|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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| 520 |
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|a © 2021 John Wiley & Sons Ltd.
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|a Soil gross nitrogen (N) mineralization (GNM), a key microbial process in the global N cycle, is mainly controlled by climate and soil properties. This study provides for the first time a comprehensive analysis of the role of soil physicochemical properties and climate and their interactions with soil microbial biomass (MB) in controlling GNM globally. Through a meta-analysis of 970 observations from 337 published papers from various ecosystems, we found that GNM was positively correlated with MB, total carbon, total N and precipitation, and negatively correlated with bulk density (BD) and soil pH. Our multivariate analysis and structural equation modeling revealed that GNM is driven by MB and dominantly influenced by BD and precipitation. The higher total N accelerates GNM via increasing MB. The decrease in BD stimulates GNM via increasing total N and MB, whereas higher precipitation stimulates GNM via increasing total N. Moreover, the GNM varies with ecosystem type, being greater in forests and grasslands with high total carbon and MB contents and low BD and pH compared to croplands. The highest GNM was observed in tropical wet soils that receive high precipitation, which increases the supply of soil substrate (total N) to microbes. Our findings suggest that anthropogenic activities that affect soil microbial population size, BD, soil substrate availability, or soil pH may interact with changes in precipitation regime and land use to influence GNM, which may ultimately affect ecosystem productivity and N loss to the environment
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|a Journal Article
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|a Meta-Analysis
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|a 15N isotope dilution technique
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| 650 |
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4 |
|a climate
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4 |
|a ecosystems
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| 650 |
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|a gross nitrogen mineralization
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| 650 |
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|a microbial biomass
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| 650 |
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|a soil properties
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| 650 |
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|a Soil
|2 NLM
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| 650 |
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|a Carbon
|2 NLM
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| 650 |
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|a 7440-44-0
|2 NLM
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| 650 |
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|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 Ali, Ahmad
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Huimin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cheng, Yi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Jinbo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cai, Zu-Cong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Müller, Christoph
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chang, Scott X
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Global change biology
|d 1999
|g 27(2021), 22 vom: 13. Nov., Seite 5950-5962
|w (DE-627)NLM098239996
|x 1365-2486
|7 nnns
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| 773 |
1 |
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|g volume:27
|g year:2021
|g number:22
|g day:13
|g month:11
|g pages:5950-5962
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| 856 |
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|u http://dx.doi.org/10.1111/gcb.15851
|3 Volltext
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|d 27
|j 2021
|e 22
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|c 11
|h 5950-5962
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