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Regulation of priming effect by soil organic matter stability over a broad geographic scale

文献类型：期刊论文

作者Chen, Leiyi; Liu, Li7; Qin, Shuqi7; Yang, Guibiao7; Fang, Kai7; Zhu, Biao5,6; Kuzyakov, Yakov1,3,4; Chen, Pengdong2; Xu, Yunping8; Yang, Yuanhe7
刊名NATURE COMMUNICATIONS
出版日期2019
卷号10
ISSN号2041-1723
DOI10.1038/s41467-019-13119-z
文献子类Article
英文摘要The modification of soil organic matter (SOM) decomposition by plant carbon (C) input (priming effect) represents a critical biogeochemical process that controls soil C dynamics. However, the patterns and drivers of the priming effect remain hidden, especially over broad geographic scales under various climate and soil conditions. By combining systematic field and laboratory analyses based on multiple analytical and statistical approaches, we explore the determinants of priming intensity along a 2200 km grassland transect on the Tibetan Plateau. Our results show that SOM stability characterized by chemical recalcitrance and physico-chemical protection explains more variance in the priming effect than plant, soil and microbial properties. High priming intensity (up to 137% of basal respiration) is associated with complex SOM chemical structures and low mineral-organic associations. The dependence of priming effect on SOM stabilization mechanisms should be considered in Earth System Models to accurately predict soil C dynamics under changing environments.
学科主题Multidisciplinary Sciences
出版地LONDON
WOS关键词TEMPERATURE SENSITIVITY ; MICROBIAL COMMUNITIES ; CARBON DECOMPOSITION ; ACID ; STORAGE ; STABILIZATION ; TURNOVER ; ACCESSIBILITY ; ASSOCIATION ; PATTERNS
WOS研究方向Science & Technology - Other Topics
语种英语
WOS记录号WOS:000495393000007
出版者NATURE PUBLISHING GROUP
资助机构National Key R&D Program of China [2017YFC0503903] ; Second Tibetan Plateau Scientific Expedition and Research (STEP) program [2019QZKK0302] ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31770557, 31825006, 41877046, 31922054] ; Youth Innovation Promotion Association of the Chinese Academy of Science [2017109] ; Key Research Program of Frontier Sciences ; Chinese Academy of SciencesChinese Academy of Sciences [QYZDB-SSW-SMC049] ; RUDN University program 5-100 ; Russian Science FoundationRussian Science Foundation (RSF) [19-77-30012]
源URL[http://ir.ibcas.ac.cn/handle/2S10CLM1/19577]  
专题植被与环境变化国家重点实验室
作者单位1.Peking Univ, Minist Educ, Key Lab Earth Surface Proc, Beijing 100871, Peoples R China
2.RUDN Univ, Agro Technol Inst, Moscow 117198, Russia
3.Univ Gottingen, Dept Agr Soil Sci, D-37077 Gottingen, Germany
4.Univ Gottingen, Dept Soil Sci Temperate Ecosyst, D-37077 Gottingen, Germany
5.Peking Univ, Minist Educ, Coll Urban & Environm Sci, Inst Ecol, Beijing 100871, Peoples R China
6.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
7.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China
8.Ludong Univ, Coll Life Sci, Yantai 264025, Peoples R China
9.Shanghai Ocean Univ, Coll Marine Sci, Shanghai Engn Res Ctr Hadal Sci & Technol, Shanghai 201306, Peoples R China
推荐引用方式
GB/T 7714		 Chen, Leiyi,Liu, Li,Qin, Shuqi,et al. Regulation of priming effect by soil organic matter stability over a broad geographic scale[J]. NATURE COMMUNICATIONS,2019,10.
APA Chen, Leiyi.,Liu, Li.,Qin, Shuqi.,Yang, Guibiao.,Fang, Kai.,...&Yang, Yuanhe.(2019).Regulation of priming effect by soil organic matter stability over a broad geographic scale.NATURE COMMUNICATIONS,10.
MLA Chen, Leiyi,et al."Regulation of priming effect by soil organic matter stability over a broad geographic scale".NATURE COMMUNICATIONS 10(2019).

入库方式： OAI收割

来源：植物研究所

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