气候变化领域集成服务门户(CCPortal): Joint control of terrestrial gross primary productivity by plant phenology and physiology

CCPortal

DOI	10.1073/pnas.1413090112
	Joint control of terrestrial gross primary productivity by plant phenology and physiology
	Xia, Jianyang; Niu, Shuli; Ciais, Philippe; Janssens, Ivan A.; Chen, Jiquan; Ammann, Christof; Arain, Altaf; Blanken, Peter D.; Cescatti, Alessandro; Bonal, Damien; Buchmann, Nina; Curtis, Peter S.; Chen, Shiping; Dong, Jinwei; Flanagan, Lawrence B.; Frankenberg, Christian; Georgiadis, Teodoro; Gough, Christopher M.; Hui, Dafeng; Kiely, Gerard; Li, Jianwei; Lund, Magnus; Magliulo, Vincenzo; Marcolla, Barbara; Merbold, Lutz; Montagnani, Leonardo; Moors, Eddy J.; Olesen, Jorgen E.; Piao, Shilong; Raschi, Antonio; Roupsard, Olivier; Suyker, Andrew E.; Urbaniak, Marek; Vaccari, Francesco P.; Varlagin, Andrej; Vesala, Timo; Wilkinson, Matthew; Weng, Ensheng; Wohlfahrt, Georg; Yan, Liming; Luo, Yiqi
通讯作者	Xia, JY (通讯作者)
发表日期	2015
ISSN	0027-8424
起始页码	2788
结束页码	2793
卷号	112 期号:9
英文摘要	Terrestrial gross primary productivity (GPP) varies greatly over time and space. A better understanding of this variability is necessary for more accurate predictions of the future climate-carbon cycle feedback. Recent studies have suggested that variability in GPP is driven by a broad range of biotic and abiotic factors operating mainly through changes in vegetation phenology and physiological processes. However, it is still unclear how plant phenology and physiology can be integrated to explain the spatiotemporal variability of terrestrial GPP. Based on analyses of eddy-covariance and satellite-derived data, we decomposed annual terrestrial GPP into the length of the CO2 uptake period (CUP) and the seasonal maximal capacity of CO2 uptake (GPP(max)). The product of CUP and GPP(max) explained > 90% of the temporal GPP variability in most areas of North America during 2000-2010 and the spatial GPP variation among globally distributed eddy flux tower sites. It also explained GPP response to the European heatwave in 2003 (r(2) = 0.90) and GPP recovery after a fire disturbance in South Dakota (r(2) = 0.88). Additional analysis of the eddy-covariance flux data shows that the interbiome variation in annual GPP is better explained by that in GPP(max) than CUP. These findings indicate that terrestrial GPP is jointly controlled by ecosystem-level plant phenology and photosynthetic capacity, and greater understanding of GPP(max) and CUP responses to environmental and biological variations will, thus, improve predictions of GPP over time and space.
关键词	VEGETATION PHENOLOGY STOMATAL CONDUCTANCE CLIMATE-CHANGE CARBON FOREST MODEL CO2 PHOTOSYNTHESIS VARIABILITY RESPONSES
英文关键词	ecosystem carbon uptake; growing season length; photosynthetic capacity; spatiotemporal variability; climate extreme
语种	英语
WOS研究方向	Science & Technology - Other Topics
WOS类目	Multidisciplinary Sciences
WOS记录号	WOS:000350224900054
来源期刊	PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
来源机构	中国科学院青藏高原研究所
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/258622
推荐引用方式 GB/T 7714	Xia, Jianyang,Niu, Shuli,Ciais, Philippe,et al. Joint control of terrestrial gross primary productivity by plant phenology and physiology[J]. 中国科学院青藏高原研究所,2015,112(9).
APA	Xia, Jianyang.,Niu, Shuli.,Ciais, Philippe.,Janssens, Ivan A..,Chen, Jiquan.,...&Luo, Yiqi.(2015).Joint control of terrestrial gross primary productivity by plant phenology and physiology.PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,112(9).
MLA	Xia, Jianyang,et al."Joint control of terrestrial gross primary productivity by plant phenology and physiology".PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 112.9(2015).