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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1111/gcb.16361
|2 doi
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|a pubmed24n1149.xml
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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|a Yang, Yang
|e verfasserin
|4 aut
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|a Nitrogen fertilization weakens the linkage between soil carbon and microbial diversity
|b A global meta-analysis
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|c 2022
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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 04.10.2022
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|a Date Revised 03.11.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2022 John Wiley & Sons Ltd.
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|a Soil microbes make up a significant portion of the genetic diversity and play a critical role in belowground carbon (C) cycling in terrestrial ecosystems. Soil microbial diversity and organic C are often tightly coupled in C cycling processes; however, this coupling can be weakened or broken by rapid global change. A global meta-analysis was performed with 1148 paired comparisons extracted from 229 articles published between January 1998 and December 2021 to determine how nitrogen (N) fertilization affects the relationship between soil C content and microbial diversity in terrestrial ecosystems. We found that N fertilization decreased soil bacterial (-11%) and fungal diversity (-17%), but increased soil organic C (SOC) (+19%), microbial biomass C (MBC) (+17%), and dissolved organic C (DOC) (+25%) across different ecosystems. Organic N (urea) fertilization had a greater effect on SOC, MBC, DOC, and bacterial and fungal diversity than inorganic N fertilization. Most importantly, soil microbial diversity decreased with increasing SOC, MBC, and DOC, and the absolute values of the correlation coefficients decreased with increasing N fertilization rate and duration, suggesting that N fertilization weakened the linkage between soil C and microbial diversity. The weakened linkage might negatively impact essential ecosystem services under high rates of N fertilization; this understanding is important for mitigating the negative impact of global N enrichment on soil C cycling
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|a Journal Article
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|a Meta-Analysis
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|a bacteria
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|a fungi
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|a global change
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|a soil organic C
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|a terrestrial ecosystem
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|a Soil
|2 NLM
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|a Carbon
|2 NLM
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|a 7440-44-0
|2 NLM
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|a Urea
|2 NLM
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| 650 |
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|a 8W8T17847W
|2 NLM
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| 650 |
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|a Nitrogen
|2 NLM
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| 650 |
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|a N762921K75
|2 NLM
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| 700 |
1 |
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|a Chen, Xinli
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Liangxu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Ting
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dou, Yanxing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Qiao, Jiangbo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Yunqiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a An, Shaoshan
|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 |
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|i Enthalten in
|t Global change biology
|d 1999
|g 28(2022), 21 vom: 15. Nov., Seite 6446-6461
|w (DE-627)NLM098239996
|x 1365-2486
|7 nnns
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| 773 |
1 |
8 |
|g volume:28
|g year:2022
|g number:21
|g day:15
|g month:11
|g pages:6446-6461
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| 856 |
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|u http://dx.doi.org/10.1111/gcb.16361
|3 Volltext
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