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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1111/gcb.16959
|2 doi
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|a pubmed24n1209.xml
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|a (DE-627)NLM362815240
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|a (NLM)37787740
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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 Li, Jiwei
|e verfasserin
|4 aut
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| 245 |
1 |
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|a C:N:P stoichiometry of plants, soils, and microorganisms
|b Response to altered precipitation
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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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|2 rdacarrier
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|a Date Completed 15.11.2023
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|a Date Revised 29.11.2023
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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 © 2023 John Wiley & Sons Ltd.
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|a Precipitation changes modify C, N, and P cycles, which regulate the functions and structure of terrestrial ecosystems. Although altered precipitation affects above- and belowground C:N:P stoichiometry, considerable uncertainties remain regarding plant-microbial nutrient allocation strategies under increased (IPPT) and decreased (DPPT) precipitation. We meta-analyzed 827 observations from 235 field studies to investigate the effects of IPPT and DPPT on the C:N:P stoichiometry of plants, soils, and microorganisms. DPPT reduced leaf C:N ratio, but increased the leaf and root N:P ratios reflecting stronger decrease of P compared with N mobility in soil under drought. IPPT increased microbial biomass C (+13%), N (+15%), P (26%), and the C:N ratio, whereas DPPT decreased microbial biomass N (-12%) and the N:P ratio. The C:N and N:P ratios of plant leaves were more sensitive to medium DPPT than to IPPT because drought increased plant N content, particularly in humid areas. The responses of plant and soil C:N:P stoichiometry to altered precipitation did not fit the double asymmetry model with a positive asymmetry under IPPT and a negative asymmetry under extreme DPPT. Soil microorganisms were more sensitive to IPPT than to DPPT, but they were more sensitive to extreme DPPT than extreme IPPT, consistent with the double asymmetry model. Soil microorganisms maintained stoichiometric homeostasis, whereas N:P ratios of plants follow that of the soils under altered precipitation. In conclusion, specific N allocation strategies of plants and microbial communities as well as N and P availability in soil critically mediate C:N:P stoichiometry by altered precipitation that need to be considered by prediction of ecosystem functions and C cycling under future climate change scenarios
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|a Journal Article
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|a drought consequences, ecological stoichiometry
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|a global climate change
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| 650 |
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|a plant-soil interactions
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| 650 |
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|a precipitation manipulation
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| 650 |
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|a soil microbes
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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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|a N762921K75
|2 NLM
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| 700 |
1 |
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|a Deng, Lei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Peñuelas, Josep
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Jianzhao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shangguan, Zhouping
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sardans, Jordi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Peng, Changhui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kuzyakov, Yakov
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Global change biology
|d 1999
|g 29(2023), 24 vom: 03. Dez., Seite 7051-7071
|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:24
|g day:03
|g month:12
|g pages:7051-7071
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| 856 |
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|u http://dx.doi.org/10.1111/gcb.16959
|3 Volltext
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