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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1111/gcb.16813
|2 doi
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|a pubmed24n1193.xml
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Chen, Chen
|e verfasserin
|4 aut
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| 245 |
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|a Mapping global soil acidification under N deposition
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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
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|a Date Completed 17.07.2023
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|a Date Revised 16.11.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2023 John Wiley & Sons Ltd.
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|a Soil pH is critically important in regulating soil nutrients and thus influencing the biodiversity and ecosystem functions of terrestrial ecosystems. Despite the ongoing threat of nitrogen (N) pollution especially in the fast-developing regions, it remains unclear how increasing N deposition affects soil pH across global terrestrial ecosystems. By conducting a global meta-analysis with paired observations of soil pH under N addition and control from 634 studies spanning major types of terrestrial ecosystems, we show that soil acidification increases rapidly with N addition amount and is most severe in neutral-pH soils. Grassland soil pH decreases most strongly under high N addition while wetlands are the least acidified. By extrapolating these relationships to global mapping, we reveal that atmospheric N deposition leads to a global average soil pH decline of -0.16 in the past 40 years and regions encompassing Eastern United States, Southern Brazil, Europe, and South and East Asia are the hotspots of soil acidification under N deposition. Our results highlight that anthropogenically amplified atmospheric N deposition has profoundly altered global soil pH and chemistry. They suggest that atmospheric N deposition is a major threat to global terrestrial biodiversity and ecosystem functions
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|a Meta-Analysis
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| 650 |
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|a Journal Article
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| 650 |
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|a atmospheric N deposition
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| 650 |
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4 |
|a global map
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| 650 |
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4 |
|a meta-analysis
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| 650 |
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|a soil acidification
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| 650 |
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4 |
|a soil buffering system
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| 650 |
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|a soil depth
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| 650 |
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4 |
|a terrestrial ecosystems
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| 650 |
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|a Soil
|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 Xiao, Wenya
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Han Y H
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Global change biology
|d 1999
|g 29(2023), 16 vom: 09. Aug., Seite 4652-4661
|w (DE-627)NLM098239996
|x 1365-2486
|7 nnns
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| 773 |
1 |
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|g volume:29
|g year:2023
|g number:16
|g day:09
|g month:08
|g pages:4652-4661
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|u http://dx.doi.org/10.1111/gcb.16813
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