Long-term elevated precipitation induces grassland soil carbon loss via microbe-plant-soil interplay

Long-term elevated precipitation induces grassland soil carbon loss via microbe-plant-soil interplay

© 2023 John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Global change biology. - 1999. - 29(2023), 18 vom: 14. Sept., Seite 5429-5444
1. Verfasser: Wang, Mengmeng (VerfasserIn)
Weitere Verfasser: Sun, Xin, Cao, Baichuan, Chiariello, Nona R, Docherty, Kathryn M, Field, Christopher B, Gao, Qun, Gutknecht, Jessica L M, Guo, Xue, He, Genhe, Hungate, Bruce A, Lei, Jiesi, Niboyet, Audrey, Le Roux, Xavier, Shi, Zhou, Shu, Wensheng, Yuan, Mengting, Zhou, Jizhong, Yang, Yunfeng
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Global change biology
Schlagworte:Journal Article elevated precipitation microbial functional trait resource acquisition soil carbon loss viral shunt water-limited ecosystems Carbon 7440-44-0 Nitrogen N762921K75
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520 |a Global climate models predict that the frequency and intensity of precipitation events will increase in many regions across the world. However, the biosphere-climate feedback to elevated precipitation (eP) remains elusive. Here, we report a study on one of the longest field experiments assessing the effects of eP, alone or in combination with other climate change drivers such as elevated CO2 (eCO2 ), warming and nitrogen deposition. Soil total carbon (C) decreased after a decade of eP treatment, while plant root production decreased after 2 years. To explain this asynchrony, we found that the relative abundances of fungal genes associated with chitin and protein degradation increased and were positively correlated with bacteriophage genes, suggesting a potential viral shunt in C degradation. In addition, eP increased the relative abundances of microbial stress tolerance genes, which are essential for coping with environmental stressors. Microbial responses to eP were phylogenetically conserved. The effects of eP on soil total C, root production, and microbes were interactively affected by eCO2 . Collectively, we demonstrate that long-term eP induces soil C loss, owing to changes in microbial community composition, functional traits, root production, and soil moisture. Our study unveils an important, previously unknown biosphere-climate feedback in Mediterranean-type water-limited ecosystems, namely how eP induces soil C loss via microbe-plant-soil interplay 
650 4 |a Journal Article 
650 4 |a elevated precipitation 
650 4 |a microbial functional trait 
650 4 |a resource acquisition 
650 4 |a soil carbon loss 
650 4 |a viral shunt 
650 4 |a water-limited ecosystems 
650 7 |a Carbon  |2 NLM 
650 7 |a 7440-44-0  |2 NLM 
650 7 |a Nitrogen  |2 NLM 
650 7 |a N762921K75  |2 NLM 
700 1 |a Sun, Xin  |e verfasserin  |4 aut 
700 1 |a Cao, Baichuan  |e verfasserin  |4 aut 
700 1 |a Chiariello, Nona R  |e verfasserin  |4 aut 
700 1 |a Docherty, Kathryn M  |e verfasserin  |4 aut 
700 1 |a Field, Christopher B  |e verfasserin  |4 aut 
700 1 |a Gao, Qun  |e verfasserin  |4 aut 
700 1 |a Gutknecht, Jessica L M  |e verfasserin  |4 aut 
700 1 |a Guo, Xue  |e verfasserin  |4 aut 
700 1 |a He, Genhe  |e verfasserin  |4 aut 
700 1 |a Hungate, Bruce A  |e verfasserin  |4 aut 
700 1 |a Lei, Jiesi  |e verfasserin  |4 aut 
700 1 |a Niboyet, Audrey  |e verfasserin  |4 aut 
700 1 |a Le Roux, Xavier  |e verfasserin  |4 aut 
700 1 |a Shi, Zhou  |e verfasserin  |4 aut 
700 1 |a Shu, Wensheng  |e verfasserin  |4 aut 
700 1 |a Yuan, Mengting  |e verfasserin  |4 aut 
700 1 |a Zhou, Jizhong  |e verfasserin  |4 aut 
700 1 |a Yang, Yunfeng  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Global change biology  |d 1999  |g 29(2023), 18 vom: 14. Sept., Seite 5429-5444  |w (DE-627)NLM098239996  |x 1365-2486  |7 nnns 
773 1 8 |g volume:29  |g year:2023  |g number:18  |g day:14  |g month:09  |g pages:5429-5444 
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