Can the scaling of plant nitrogen to phosphorus be altered by global change? An empirical test

doi:10.1093/jpe/rtaa032

	Can the scaling of plant nitrogen to phosphorus be altered by global change? An empirical test
	Long, Min 1; Zhang, Juanjuan 1,2; Liu, Zhengyi 1; Zhou, Luyao 1; Su, Fanglong 1,3; Xiao, Rui 1,5; Wang, Yi 4; Guo, Hui 1; Hu, Shuijin 1,6
刊名	JOURNAL OF PLANT ECOLOGY
	2020-08-01
卷号	13 期号:4 页码:442-449
关键词	climate change element coupling N addition nutrient cycling stoichiometry
ISSN号	1752-9921
DOI	10.1093/jpe/rtaa032
通讯作者	Guo, Hui(hui.guo@njau.edu.cn) ; Hu, Shuijin(shuijin_hu@hotmail.com)
英文摘要	Aims Global change may cause unparalleled supplies of soil nutrients and further lead to stoichiometric imbalance of nitrogen (N) and phosphorus (P) in terrestrial plants. While previous studies had reported the effects of global change factors on plant N, P contents and their ratios, few had examined whether or how these factors may influence the scaling of these two elements. Methods Taking advantage of a manipulative experiment with altered precipitation, warming and N addition, and using the general scaling function N = beta P-a, we examined how the scaling of plant N to P may respond to global change factors in a Loess grassland in northwestern China. Important Findings We found that precipitation reduction (PR) and warming decreased plant P concentrations, while N addition increased plant N concentrations, resulting in increased N:P ratios. The slopes of the linear regressions between plant N and P (i.e. log-transformed N versus P) did not change significantly, whereas the intercepts increased significantly under PR, warming and N addition. These results indicate that global change factors may not affect the synergistic variation of plant N and P, showing a closely coupled relationship between them. Our findings may help to better understand plant nutrient dynamics and element balance in a changing world.
资助项目	National Natural Science Foundation of China[31800382] ; National Natural Science Foundation of China[31971435] ; Fundamental Research Funds for the Central Universities[KJQN201917]
WOS关键词	N-P STOICHIOMETRY ; LEAF NITROGEN ; TERRESTRIAL PLANTS ; CNP STOICHIOMETRY ; METABOLIC THEORY ; RATIOS ; LEAVES ; ROOTS
WOS研究方向	Plant Sciences ; Environmental Sciences & Ecology ; Forestry
语种	英语
出版者	OXFORD UNIV PRESS
WOS记录号	WOS:000574426300008
资助机构	National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities
内容类型	期刊论文
源URL	[http://ir.ieecas.cn/handle/361006/15366]
专题	地球环境研究所_生态环境研究室
通讯作者	Guo, Hui; Hu, Shuijin
作者单位	1.Nanjing Agr Univ, Coll Resources & Environm Sci, Dept Ecol, Nanjing 210095, Jiangsu, Peoples R China 2.Sun Yat Sen Univ, Dept Ecol, Guangzhou 510275, Guangdong, Peoples R China 3.Chinese Acad Sci, Key Lab Vegetat Restorat & Management Degraded Ec, South China Bot Garden, Guangzhou 510650, Guangdong, Peoples R China 4.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Shaanxi, Peoples R China 5.Henan Univ, Sch Life Sci, Dept Ecol, Kaifeng 475000, Henan, Peoples R China 6.North Carolina State Univ, Dept Entomol & Plant Pathol, Raleigh, NC 27695 USA
推荐引用方式 GB/T 7714	Long, Min,Zhang, Juanjuan,Liu, Zhengyi,et al. Can the scaling of plant nitrogen to phosphorus be altered by global change? An empirical test[J]. JOURNAL OF PLANT ECOLOGY,2020,13(4):442-449.
APA	Long, Min.,Zhang, Juanjuan.,Liu, Zhengyi.,Zhou, Luyao.,Su, Fanglong.,...&Hu, Shuijin.(2020).Can the scaling of plant nitrogen to phosphorus be altered by global change? An empirical test.JOURNAL OF PLANT ECOLOGY,13(4),442-449.
MLA	Long, Min,et al."Can the scaling of plant nitrogen to phosphorus be altered by global change? An empirical test".JOURNAL OF PLANT ECOLOGY 13.4(2020):442-449.