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240126s2024 xx |||||o 00| ||eng c |
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|a 10.1111/gcb.17091
|2 doi
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|a pubmed24n1274.xml
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|a (NLM)38273482
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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 Ren, Zhuobing
|e verfasserin
|4 aut
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| 245 |
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|a Effects of aridification on soil total carbon pools in China's drylands
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|c 2024
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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 29.01.2024
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|a Date Revised 29.01.2024
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|a published: Print
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|a Citation Status MEDLINE
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|a © 2023 John Wiley & Sons Ltd.
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|a Drylands are important carbon pools and are highly vulnerable to climate change, particularly in the context of increasing aridity. However, there has been limited research on the effects of aridification on soil total carbon including soil organic carbon and soil inorganic carbon, which hinders comprehensive understanding and projection of soil carbon dynamics in drylands. To determine the response of soil total carbon to aridification, and to understand how aridification drives soil total carbon variation along the aridity gradient through different ecosystem attributes, we measured soil organic carbon, inorganic carbon and total carbon across a ~4000 km aridity gradient in the drylands of northern China. Distribution patterns of organic carbon, inorganic carbon, and total carbon at different sites along the aridity gradient were analyzed. Results showed that soil organic carbon and inorganic carbon had a complementary relationship, that is, an increase in soil inorganic carbon positively compensated for the decrease in organic carbon in semiarid to hyperarid regions. Soil total carbon exhibited a nonlinear change with increasing aridity, and the effect of aridity on total carbon shifted from negative to positive at an aridity level of 0.71. In less arid regions, aridification leads to a decrease in total carbon, mainly through a decrease in organic carbon, whereas in more arid regions, aridification promotes an increase in inorganic carbon and thus an increase in total carbon. Our study highlights the importance of soil inorganic carbon to total carbon and the different effects of aridity on soil carbon pools in drylands. Soil total carbon needs to be considered when developing measures to conserve the terrestrial carbon sink
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|a Journal Article
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|a distribution pattern
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4 |
|a driving effects
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|a increasing aridity
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| 650 |
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4 |
|a nonlinear response
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| 650 |
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4 |
|a soil inorganic carbon
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| 650 |
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4 |
|a soil organic carbon
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| 650 |
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7 |
|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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7 |
|a 7440-44-0
|2 NLM
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| 700 |
1 |
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|a Li, Changjia
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fu, Bojie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Shuai
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Stringer, Lindsay C
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Global change biology
|d 1999
|g 30(2024), 1 vom: 04. Jan., Seite e17091
|w (DE-627)NLM098239996
|x 1365-2486
|7 nnns
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| 773 |
1 |
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|g volume:30
|g year:2024
|g number:1
|g day:04
|g month:01
|g pages:e17091
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| 856 |
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|u http://dx.doi.org/10.1111/gcb.17091
|3 Volltext
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