Photosynthate supply drives soil respiration of Fraxinus mandshurica seedlings in northeastern China: evidences from a shading and nitrogen addition experiment

doi:10.1007/s11676-016-0255-9

	Photosynthate supply drives soil respiration of Fraxinus mandshurica seedlings in northeastern China: evidences from a shading and nitrogen addition experiment
	Jing, Yanli 1,2; Guan, Dexin 1; Wu, Jiabing 1; Wang, Anzhi 1; Jin, Changjie 1; Yuan, Fenghui 1
刊名	JOURNAL OF FORESTRY RESEARCH
	2016-12-01
卷号	27 期号:6 页码:1271-1276
关键词	Autotrophic Respiration Carbon Fertilization Shading Substrate Supply
ISSN号	1007-662X
DOI	10.1007/s11676-016-0255-9
英文摘要	Improved understanding of the link between photosynthesis and below-ground processes is needed to better understand ecosystem carbon (C) cycling and its feedback to climate change. We conducted a short-term shading and nitrogen (N) addition experiment from June to September 2013 to investigate the effect of photosynthate supply by Manchurian Ash (Fraxinus mandshurica) seedlings on soil respiration (SR). Shading significantly reduced SR in early and middle growing season, but not in late growing season, leading to a decrease in mean SR by 24 % in N-unfertilized treatments. N addition increased mean SR by 42 % in un-shaded treatment. The stimulation of SR was largely attributed to accelerated autotrophic respiration by increasing photosynthesis, leaf area index and belowground biomass. Shading reduced mean SR by 32 % in N addition treatment. The strengthened shading effect on SR resulted from N addition was because of more photosynthates supply at low soil temperature. Our findings highlight the predominance of photosynthates supply in regulating the responses of C cycling to global change.
WOS研究方向	Forestry
语种	英语
出版者	NORTHEAST FORESTRY UNIV
WOS记录号	WOS:000386357900008
内容类型	期刊论文
源URL	[http://210.72.129.5/handle/321005/122839]
专题	中国科学院沈阳应用生态研究所
通讯作者	Guan, Dexin
作者单位	1.Chinese Acad Sci, Inst Appl Ecol, Key Lab Forest Ecol & Management, Shenyang 110164, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Jing, Yanli,Guan, Dexin,Wu, Jiabing,et al. Photosynthate supply drives soil respiration of Fraxinus mandshurica seedlings in northeastern China: evidences from a shading and nitrogen addition experiment[J]. JOURNAL OF FORESTRY RESEARCH,2016,27(6):1271-1276.
APA	Jing, Yanli,Guan, Dexin,Wu, Jiabing,Wang, Anzhi,Jin, Changjie,&Yuan, Fenghui.(2016).Photosynthate supply drives soil respiration of Fraxinus mandshurica seedlings in northeastern China: evidences from a shading and nitrogen addition experiment.JOURNAL OF FORESTRY RESEARCH,27(6),1271-1276.
MLA	Jing, Yanli,et al."Photosynthate supply drives soil respiration of Fraxinus mandshurica seedlings in northeastern China: evidences from a shading and nitrogen addition experiment".JOURNAL OF FORESTRY RESEARCH 27.6(2016):1271-1276.