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Temperature sensitivity of permafrost carbon release mediated by mineral and microbial properties

文献类型：期刊论文

作者Qin, Shuqi2; Kou, Dan1; Mao, Chao2; Chen, Yongliang; Chen, Leiyi; Yang, Yuanhe2
刊名SCIENCE ADVANCES
出版日期2021
卷号7期号:32
ISSN号2375-2548
DOI10.1126/sciadv.abe3596
文献子类Article
英文摘要Temperature sensitivity (Q(10)) of permafrost carbon (C) release upon thaw is a vital parameter for projecting permafrost C dynamics under climate warming. However, it remains unclear how mineral protection interacts with microbial properties and intrinsic recalcitrance to affect permafrost C fate. Here, we sampled permafrost soils across a 1000-km transect on the Tibetan Plateau and conducted two laboratory incubations over 400- and 28-day durations to explore patterns and drivers of permafrost C release and its temperature response after thaw. We find that mineral protection and microbial properties are two types of crucial predictors of permafrost C dynamics upon thaw. Both high C release and Q(10) are associated with weak organo-mineral associations but high microbial abundances and activities, whereas high microbial diversity corresponds to low Q(10). The attenuating effects of mineral protection and the dual roles of microbial properties would make the permafrost C-climate feedback more complex than previously thought.
学科主题Multidisciplinary Sciences
出版地WASHINGTON
WOS关键词SOIL ORGANIC-MATTER ; DIFFERENT DEPTHS ; TIBETAN PLATEAU ; DECOMPOSITION ; STABILIZATION ; FEEDBACKS ; DIVERSITY ; PATTERNS ; NITROGEN ; QUALITY
WOS研究方向Science Citation Index Expanded (SCI-EXPANDED)
语种英语
WOS记录号WOS:000682357400008
出版者AMER ASSOC ADVANCEMENT SCIENCE
资助机构National Natural Science Foundation of China [31825006, 31988102, 91837312, 31922054] ; Second Tibetan Plateau Scientific Expedition and Research (STEP) program [2019QZKK0106] ; Key Research Program of Frontier Sciences, Chinese Academy of Sciences [QYZDB-SSW-SMC049]
源URL[http://ir.ibcas.ac.cn/handle/2S10CLM1/26585]  
专题植被与环境变化国家重点实验室
作者单位1.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
2.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China
3.Univ Eastern Finland, Dept Biol & Environm Sci, Biogeochem Res Grp, Kuopio 70210, Finland
推荐引用方式
GB/T 7714		 Qin, Shuqi,Kou, Dan,Mao, Chao,et al. Temperature sensitivity of permafrost carbon release mediated by mineral and microbial properties[J]. SCIENCE ADVANCES,2021,7(32).
APA Qin, Shuqi,Kou, Dan,Mao, Chao,Chen, Yongliang,Chen, Leiyi,&Yang, Yuanhe.(2021).Temperature sensitivity of permafrost carbon release mediated by mineral and microbial properties.SCIENCE ADVANCES,7(32).
MLA Qin, Shuqi,et al."Temperature sensitivity of permafrost carbon release mediated by mineral and microbial properties".SCIENCE ADVANCES 7.32(2021).

入库方式： OAI收割

来源：植物研究所

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