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Joint control of alpine meadow productivity by plant phenology and photosynthetic capacity

文献类型：期刊论文

作者Zhang, Tao1; Tang, Yuanyuan1; Xu, Mingjie1; Zhao, Guang2; Chen, Ning3; Zheng, Zhoutao2; Zhu, Juntao2,4; Ji, Ximeng1; Wang, Danfeng1; Zhang, Yangjian2,4,5
刊名AGRICULTURAL AND FOREST METEOROLOGY
出版日期2022-10-15
卷号325页码:10
关键词Growing season length Maximum carbon uptake GPP Interannual variability Grassland Tibetan Plateau
ISSN号0168-1923
DOI10.1016/j.agrformet.2022.109135
通讯作者Xu, Mingjie(xumj@syau.edu.cn) ; Zhang, Yangjian(zhangyj@igsnrr.ac.cn)
英文摘要Under global climate change, climate warming and changing precipitation patterns would greatly affect plant phenology and photosynthetic capacity and hence affect the gross primary productivity (GPP) of the sensitive alpine meadow. To deeply understand the variations in GPP, it is important to clarify the joint effects of plant phenology and photosynthetic capacity. In this study, 10-year continuous flux and microclimatic data and in situ phenology period observation data were used to explore the roles of growing season length (GSL) and the seasonal maximal capacity of carbon uptake (GPP(max)) on annual cumulative gross primary productivity (GPP(ann)). The results indicated that the temperature and water conditions, especially water conditions, dominated GSL and GPP(max) and hence determined GPP(ann). Both GSL and GPP(max )were dominated by annual precipitation, and the soil water content in August also showed a strong influence over them. GSL and GPP(max) together could explain 87% of the variation in GPP(ann). Compared with GSL, GPP(max) had stronger effects on the interannual variability (IAV) in GPP(ann). This study provides a new perspective on clarifying the proximate causes of IAV in GPP(ann). The IAV in GPP(ann) of alpine ecosystems could be determined by these two key underlying processes, the length of the carbon uptake period and amplitude. These results are of critical importance for improving our ability to predict future changes in alpine meadow ecosystems.
WOS关键词GROSS PRIMARY PRODUCTIVITY ; INTERANNUAL VARIABILITY ; CLIMATE VARIABILITY ; TIBETAN PLATEAU ; CARBON FLUXES ; TERRESTRIAL ECOSYSTEMS ; GRASSLAND ECOSYSTEMS ; NET CARBON ; TEMPERATURE ; CYCLE
资助项目National Natural Science Foundation of China[41725003] ; National Natural Science Foundation of China[32061143037] ; National Key Research and Development Program of China[2017YFA0604801] ; China Postdoctoral Science Foundation[2021M692230]
WOS研究方向Agriculture ; Forestry ; Meteorology & Atmospheric Sciences
语种英语
WOS记录号WOS:000861223400004
出版者ELSEVIER
资助机构National Natural Science Foundation of China ; National Key Research and Development Program of China ; China Postdoctoral Science Foundation
源URL[http://ir.igsnrr.ac.cn/handle/311030/184875]  
专题中国科学院地理科学与资源研究所
通讯作者Xu, Mingjie; Zhang, Yangjian
作者单位1.Shenyang Agr Univ, Coll Agron, Shenyang 110866, Peoples R China
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China
3.Chinese Acad Sci, Northeast Inst Geog & Agroecol, Key Lab Wetland Ecol & Environm, Changchun 130102, Peoples R China
4.Chinese Acad Sci, Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
5.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100190, Peoples R China
推荐引用方式
GB/T 7714		 Zhang, Tao,Tang, Yuanyuan,Xu, Mingjie,et al. Joint control of alpine meadow productivity by plant phenology and photosynthetic capacity[J]. AGRICULTURAL AND FOREST METEOROLOGY,2022,325:10.
APA Zhang, Tao.,Tang, Yuanyuan.,Xu, Mingjie.,Zhao, Guang.,Chen, Ning.,...&He, Yongtao.(2022).Joint control of alpine meadow productivity by plant phenology and photosynthetic capacity.AGRICULTURAL AND FOREST METEOROLOGY,325,10.
MLA Zhang, Tao,et al."Joint control of alpine meadow productivity by plant phenology and photosynthetic capacity".AGRICULTURAL AND FOREST METEOROLOGY 325(2022):10.

入库方式： OAI收割

来源：地理科学与资源研究所

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