气候变化领域集成服务门户(CCPortal): The growth of Chinese fir is limited by nitrogen: Evidences from N:P ratio, N or P variability and NuRE based on a regional investigation

CCPortal

DOI	10.1016/j.foreco.2020.117905
	The growth of Chinese fir is limited by nitrogen: Evidences from N:P ratio, N or P variability and NuRE based on a regional investigation
	Tong R.; Zhou B.; Jiang L.; Ge X.; Cao Y.
发表日期	2020
ISSN	0378-1127
卷号	460
英文摘要	Plant growth and vegetation productivity were generally limited either by nitrogen (N) or phosphorus (P) worldwide. To date, our current understandings on plant nutrient limitation are primarily derived from site-specific studies. By taking account into more factors, studies on regional or larger scales might resolve the divergences effectively arisen from regional differences, which would help provide new insights for plant nutrient limitation. In this study, we made an attempt to evidence the particular element that limiting the growth of Cunninghamia lanceolata (Chinese fir) based on a regional investigation. Firstly, we found that leaf N:P ratio (11.49) was significantly lower than 14, which suggested and evidenced that the growth of Chinese fir was limited by N. Next, leaf N concentration was less affected by the environmental variables, showing low variability. Leaf P concentration and N:P ratio were significantly affected by soil P concentration (SP), mean annual temperature (MAT) and altitude (ALT), and both of them showed high variability. Hence under same regional environmental changes, the level of the variability in leaf N or P concentration might affect the N or P supply for plant growth. Thirdly, the P resorption efficiency (PRE) was significantly higher than N resorption efficiency (NRE). Leaf N:P ratio decreased with the increasing PRE and \|NRE − PRE\|. Overall, our findings suggested that in subtropical China, low leaf N:P ratios, low N variability under, and high PRE were three major pieces of evidence that induce N- limitation for the growth of Chinese fir. © 2020 Elsevier B.V.
英文关键词	Chinese fir; Environmental factors; Leaf stoichiometry; N-limitation; Nutrient resorption; Spatial variation
语种	英语
scopus关键词	Efficiency; Nitrogen; Chinese fir; Cunninghamia lanceolata; Environmental factors; Environmental variables; Mean annual temperatures; Nutrient resorptions; Spatial variations; Vegetation productivity; Nutrients; altitude; biochemical composition; concentration (composition); coniferous tree; environmental factor; leaf; nutrient limitation; phosphorus; resorption; spatial variation; stoichiometry; Chinese; Concentration; Efficiency; Growth; Nitrogen; Nutrients; Plants; Variability; China; Cunninghamia lanceolata
来源期刊	Forest Ecology and Management
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/155484
作者单位	Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Hangzhou, Zhejiang 311400, China; Qianjiangyuan Forest Ecosystem Research Station, State Forestry Administration, Hangzhou, Zhejiang 311400, China
推荐引用方式 GB/T 7714	Tong R.,Zhou B.,Jiang L.,et al. The growth of Chinese fir is limited by nitrogen: Evidences from N:P ratio, N or P variability and NuRE based on a regional investigation[J],2020,460.
APA	Tong R.,Zhou B.,Jiang L.,Ge X.,&Cao Y..(2020).The growth of Chinese fir is limited by nitrogen: Evidences from N:P ratio, N or P variability and NuRE based on a regional investigation.Forest Ecology and Management,460.
MLA	Tong R.,et al."The growth of Chinese fir is limited by nitrogen: Evidences from N:P ratio, N or P variability and NuRE based on a regional investigation".Forest Ecology and Management 460(2020).