Changes in plant nitrogen acquisition strategies during the restoration of spruce plantations on the eastern Tibetan Plateau,China

doi:10.1016/j.soilbio.2018.01.002

	Changes in plant nitrogen acquisition strategies during the restoration of spruce plantations on the eastern Tibetan Plateau,China
	Zhang, Ziliang 1,2; Li, Na 2; Xiao, Juan 3; Zhao, Chunzhang 2; Zou, Tingting 1,2; Li, Dandan 2; Liu, Qing 2; Yin, Huajun 2,3
刊名	SOIL BIOLOGY & BIOCHEMISTRY
	2018-04
卷号	119 页码:50-58
关键词	Nitrogen preference Ammonium Nitrate Organic nitrogen Plantation restoration Stable nitrogen isotope
ISSN号	0038-0717
DOI	10.1016/j.soilbio.2018.01.002
产权排序	1
文献子类	Article
英文摘要	Despite the importance of plant nitrogen (N) acquisition strategies for plant growth and the structure and functioning of ecosystems, few studies have investigated the N acquisition preference of plants and their reliance on various N sources (nitrate (NO3-), ammonium (NH4+), and organic N (DON) in soil) during different stages of plantation restoration caused by land-use change. In this study, we used the isotopic mass-balance methods to quantitatively estimate the contributions of N sources (NO3- vs. NH4+ vs. DON) and plant N preferences in spruce (Pleat asperata Mast.) plantations of different ages (i.e., 20, 30, 40, 50, and 70 years old) on the eastern Tibetan Plateau, China. Across all restoration stages, while plants in spruce plantations preferred soil inorganic N over soil DON, soil DON was a notable N contributor to plant N nutrition, with 23%-44% of plant N derived from DON. Moreover, with the development of plantation restoration, the N source preferences of plants switched from NO3- (i.e., 20- and 30-yr-old plantations) to NH4+ (age of plantations >= 40 years old). Our results suggest that soil DON can be an important N source in alpine coniferous forests. In addition, the shift in the dominant N source during plantation restoration may manifest a strategic adjustment of plant N acquisition in response to changes in soil N availability and/or physiological traits.
学科主题	Environment ; Ecology
URL标识	查看原文
WOS关键词	N-15 NATURAL-ABUNDANCE ; ORGANIC NITROGEN ; MYCORRHIZAL FUNGI ; AMINO-ACID ; SUBTROPICAL AUSTRALIA ; PHRAGMITES-AUSTRALIS ; ISOTOPE COMPOSITION ; STABLE-ISOTOPES ; GLYCERIA MAXIMA ; ARCTIC TUNDRA
WOS研究方向	Agriculture
语种	英语
出版者	PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号	WOS:000428496700006
内容类型	期刊论文
源URL	[http://210.75.237.14/handle/351003/29887]
专题	成都生物研究所_生态研究
作者单位	1.Univ Chinese Acad Sci, Beijing 100049, Peoples R China; 2.CAS Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization & Ecological Restoration and Biodiversity Conservation Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, 610041, China; 3.China West Normal Univ, Coll Environm Sci & Engn, Nanchang 637000, Jiangxi, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Ziliang,Li, Na,Xiao, Juan,et al. Changes in plant nitrogen acquisition strategies during the restoration of spruce plantations on the eastern Tibetan Plateau,China[J]. SOIL BIOLOGY & BIOCHEMISTRY,2018,119:50-58.
APA	Zhang, Ziliang.,Li, Na.,Xiao, Juan.,Zhao, Chunzhang.,Zou, Tingting.,...&Yin, Huajun.(2018).Changes in plant nitrogen acquisition strategies during the restoration of spruce plantations on the eastern Tibetan Plateau,China.SOIL BIOLOGY & BIOCHEMISTRY,119,50-58.
MLA	Zhang, Ziliang,et al."Changes in plant nitrogen acquisition strategies during the restoration of spruce plantations on the eastern Tibetan Plateau,China".SOIL BIOLOGY & BIOCHEMISTRY 119(2018):50-58.