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231226s2024 xx |||||o 00| ||eng c |
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|a 10.1111/gcb.17027
|2 doi
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|a eng
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| 100 |
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|a Ju, Wenliang
|e verfasserin
|4 aut
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| 245 |
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|a New perspectives on microbiome and nutrient sequestration in soil aggregates during long-term grazing exclusion
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|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-Electronic
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|a Citation Status MEDLINE
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|a © 2023 John Wiley & Sons Ltd.
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|a Grazing exclusion alters grassland soil aggregation, microbiome composition, and biogeochemical processes. However, the long-term effects of grazing exclusion on the microbial communities and nutrient dynamics within soil aggregates remain unclear. We conducted a 36-year exclusion experiment to investigate how grazing exclusion affects the soil microbial community and the associated soil functions within soil aggregates in a semiarid grassland. Long-term (36 years) grazing exclusion induced a shift in microbial communities, especially in the <2 mm aggregates, from high to low diversity compared to the grazing control. The reduced microbial diversity was accompanied by instability of fungal communities, extended distribution of fungal pathogens to >2 mm aggregates, and reduced carbon (C) sequestration potential thus revealing a negative impact of long-term GE. In contrast, 11-26 years of grazing exclusion greatly increased C sequestration and promoted nutrient cycling in soil aggregates and associated microbial functional genes. Moreover, the environmental characteristics of microhabitats (e.g., soil pH) altered the soil microbiome and strongly contributed to C sequestration. Our findings reveal new evidence from soil microbiology for optimizing grazing exclusion duration to maintain multiple belowground ecosystem functions, providing promising suggestions for climate-smart and resource-efficient grasslands
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|a Journal Article
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|a carbon sequestration
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|a grasslands
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|a grazing exclusion
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| 650 |
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|a microbial communities and functions
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| 650 |
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|a nitrogen and phosphorus accumulation
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| 650 |
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|a soil aggregates
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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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| 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 Fang, Linchuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shen, Guoting
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Delgado-Baquerizo, Manuel
|e verfasserin
|4 aut
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| 700 |
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|a Chen, Ji
|e verfasserin
|4 aut
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| 700 |
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|a Zhou, Guiyao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ma, Dengke
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bing, Haijian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Lei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Ji
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jin, Xiaolian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Guo, Liang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tan, Wenfeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Blagodatskaya, Evgenia
|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: 10. Jan., Seite e17027
|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:10
|g month:01
|g pages:e17027
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| 856 |
4 |
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|u http://dx.doi.org/10.1111/gcb.17027
|3 Volltext
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