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Productivity depends more on the rate than the frequency of N addition in a temperate grassland
Zhang, Yunhai; Feng, Jinchao2; Isbell, Forest3; Lu, Xiaotao1; Han, Xingguo1
2015
发表期刊SCIENTIFIC REPORTS
ISSN2045-2322
卷号5
摘要Nitrogen (N) is a key limiting resource for aboveground net primary productivity (ANPP) in diverse terrestrial ecosystems. The relative roles of the rate and frequency (additions yr(-1)) of N application in stimulating ANPP at both the community-and species-levels are largely unknown. By independently manipulating the rate and frequency of N input, with nine rates (from 0 to 50 g N m(-2) year(-1)) crossed with two frequencies (twice year(-1) or monthly) in a temperate steppe of northern China across 2008-2013, we found that N addition increased community ANPP, and had positive, negative, or neutral effects for individual species. There were similar ANPP responses at the community-or species-level when a particular annual amount of N was added either twice year(-1) or monthly. The community ANPP was less sensitive to soil ammonium at lower frequency of N addition. ANPP responses to N addition were positively correlated with annual precipitation. Our results suggest that, over a five-year period, there will be similar ANPP responses to a given annual N input that occurs either frequently in small amounts, as from N deposition, or that occur infrequently in larger amounts, as from application of N fertilizers.
学科领域Multidisciplinary Sciences
DOI10.1038/srep12558
收录类别SCI
语种英语
WOS关键词NET PRIMARY PRODUCTIVITY ; NITROGEN DEPOSITION ; PERENNIAL NEIGHBORS ; USE EFFICIENCY ; ECOSYSTEM ; LIMITATION ; RESPONSES ; WATER ; SOIL ; ESTABLISHMENT
WOS研究方向Science Citation Index Expanded (SCI-EXPANDED)
WOS记录号WOS:000358579600002
出版者NATURE PORTFOLIO
文献子类Article
出版地BERLIN
资助机构National Natural Science Foundation of China [31430016, 31170433, 41273094, 31300384] ; China Postdoctoral Science Foundation [2014M560134, 2015T80153]
作者邮箱zhangyh670@ibcas.ac.cn ; lvxiaotao@iae.ac.cn ; xghan@ibcas.ac.cn
作品OA属性Green Published, gold
引用统计
被引频次:219[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ibcas.ac.cn/handle/2S10CLM1/25977
专题植被与环境变化国家重点实验室
作者单位1.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China
2.Chinese Acad Sci, Inst Appl Ecol, State Key Lab Forest & Soil Ecol, Shenyang 110164, Peoples R China
3.Chinese Acad Forestry, Inst Desertificat Studies, Beijing 100091, Peoples R China
4.Univ Minnesota, Dept Ecol Evolut & Behav, St Paul, MN 55108 USA
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GB/T 7714
Zhang, Yunhai,Feng, Jinchao,Isbell, Forest,et al. Productivity depends more on the rate than the frequency of N addition in a temperate grassland[J]. SCIENTIFIC REPORTS,2015,5.
APA Zhang, Yunhai,Feng, Jinchao,Isbell, Forest,Lu, Xiaotao,&Han, Xingguo.(2015).Productivity depends more on the rate than the frequency of N addition in a temperate grassland.SCIENTIFIC REPORTS,5.
MLA Zhang, Yunhai,et al."Productivity depends more on the rate than the frequency of N addition in a temperate grassland".SCIENTIFIC REPORTS 5(2015).
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