干旱区生态环境知识资源中心(Arid): Temperature-mediated responses of carbon fluxes to precipitation variabilities in an alpine meadow ecosystem on the Tibetan Plateau

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DOI	10.1002/ece3.5439
	Temperature-mediated responses of carbon fluxes to precipitation variabilities in an alpine meadow ecosystem on the Tibetan Plateau
	Chen, Ning 1,2; Zhang, Yangjian 1,3,4; Zhu, Juntao 1; Zu, Jiaxing 1,2; Huang, Ke 1; Li, Junxiang 5; Liu, Yaojie 1; Cong, Nan 1; Tang, Ze 1,2; Wang, Li 5; Zhu, Yixuan 1,2
通讯作者	Zhang, Yangjian
来源期刊	ECOLOGY AND EVOLUTION
ISSN	2045-7758
出版年	2019
卷号	9 期号:16 页码:9005-9017
英文摘要	Effects of climate warming and changing precipitation on ecosystem carbon fluxes have been intensively studied. However, how they co-regulate carbon fluxes is still elusive for some understudied ecosystems. To fill the gap, we examined net ecosystem productivity (NEP), gross ecosystem productivity (GEP,) and ecosystem respiration (ER) responses to multilevel of temperature increments (control, warming 1, warming 2, warming 3, warming 4) in three contrasting hydrological growing seasons in a typical semiarid alpine meadow. We found that carbon fluxes responded to precipitation variations more strongly in low-level warming treatments than in high-level ones. The distinct responses were attributable to different soil water conditions and community composition under low-level and high-level warming during the three growing seasons. In addition, carbon fluxes were much more sensitive to decreased than to increased precipitation in low-level warming treatments, but not in high-level ones. At a regional scale, this negative asymmetry was further corroborated. This study reveals that future precipitation changes, particularly decreased precipitation would induce significant change in carbon fluxes, and the effect magnitude is regulated by climate warming size.
英文关键词	alpine meadow carbon fluxes community composition distinct response precipitation warming
类型	Article
语种	英语
国家	Peoples R China
开放获取类型	Green Published, gold
收录类别	SCI-E
WOS记录号	WOS:000477500900001
WOS关键词	GROSS PRIMARY PRODUCTIVITY ; ASIAN DESERT SHRUBS ; WATER-USE ; CONTRASTING RESPONSES ; SEMIARID ECOSYSTEMS ; PLANT-PRODUCTION ; SOIL-MOISTURE ; GRASSLAND ; EXCHANGE ; CLIMATE
WOS类目	Ecology ; Evolutionary Biology
WOS研究方向	Environmental Sciences & Ecology ; Evolutionary Biology
来源机构	中国科学院地理科学与资源研究所 ; 北京大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/215276
作者单位	1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China; 2.Univ Chinese Acad Sci, Beijing, Peoples R China; 3.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing, Peoples R China; 4.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing, Peoples R China; 5.Peking Univ, Shenzhen Grad Sch, Shenzhen, Peoples R China
推荐引用方式 GB/T 7714	Chen, Ning,Zhang, Yangjian,Zhu, Juntao,et al. Temperature-mediated responses of carbon fluxes to precipitation variabilities in an alpine meadow ecosystem on the Tibetan Plateau[J]. 中国科学院地理科学与资源研究所, 北京大学,2019,9(16):9005-9017.
APA	Chen, Ning.,Zhang, Yangjian.,Zhu, Juntao.,Zu, Jiaxing.,Huang, Ke.,...&Zhu, Yixuan.(2019).Temperature-mediated responses of carbon fluxes to precipitation variabilities in an alpine meadow ecosystem on the Tibetan Plateau.ECOLOGY AND EVOLUTION,9(16),9005-9017.
MLA	Chen, Ning,et al."Temperature-mediated responses of carbon fluxes to precipitation variabilities in an alpine meadow ecosystem on the Tibetan Plateau".ECOLOGY AND EVOLUTION 9.16(2019):9005-9017.