Nitrogen deposition and its spatial pattern in main forest ecosystems along north-south transect of eastern China
Zhan, XY; Yu, GR; He, NP; Fang, HJ; Jia, BR; Zhou, M; Wang, CK; Zhang, JH; Zhao, GD; Wang, SL; Liu, YF; Yan, JH
2014
Source PublicationCHINESE GEOGRAPHICAL SCIENCE
ISSN1002-0063
Volume24Issue:2Pages:137-146
AbstractA continuous three-year observation (from May 2008 to April 2011) was conducted to characterize the spatial variation of dissolved inorganic nitrogen (DIN) deposition at eight main forest ecosystems along the north-south transect of eastern China (NSTEC). The results show that both throughfall DIN deposition and bulk DIN deposition increase from north to south along the NSTEC. Throughfall DIN deposition varies greatly from 2.7 kg N/(ha center dot yr) to 33.0 kg N/(ha center dot yr), with an average of 10.6 kg N/(ha center dot yr), and bulk DIN deposition ranges from 4.1 kg N/(ha center dot yr) to 25.4 kg N/(ha center dot yr), with an average of 9.8 kg N/(ha center dot yr). NH (4) (+) -N is the dominant form of DIN deposition at most sampling sites. Additionally, the spatial variation of DIN deposition is controlled mainly by precipitation. Moreover, in the northern part of the NSTEC, bulk DIN deposition is 17% higher than throughfall DIN deposition, whereas the trend is opposite in the southern part of the NSTEC. The results demonstrate that DIN deposition would likely threaten the forest ecosystems along the NSTEC, compared with the critical loads (CL) of N deposition, and DIN deposition in this region is mostly controlled by agricultural activities rather than industrial activities or transportation.
SubtypeJournal
Keywordforest ecosystem nitrogen deposition NH4+-N NO3-N eastern China
Subject AreaEnvironmental Sciences & Ecology
WOS Subject ExtendedEnvironmental Sciences
WOS KeywordATMOSPHERIC DEPOSITION ; SPECIES RICHNESS ; EUROPEAN FORESTS ; COASTAL WATERS ; CRITICAL LOADS ; UNITED-STATES ; NITRATE ; CYCLE ; SATURATION ; GRASSLANDS
Indexed BySCI
Language英语
WOS IDWOS:000333114200001
PublisherSPRINGER
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Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/44561
Collection生态系统网络观测与模拟院重点实验室_生态网络实验室
Recommended Citation
GB/T 7714
Zhan, XY,Yu, GR,He, NP,et al. Nitrogen deposition and its spatial pattern in main forest ecosystems along north-south transect of eastern China[J]. CHINESE GEOGRAPHICAL SCIENCE,2014,24(2):137-146.
APA Zhan, XY.,Yu, GR.,He, NP.,Fang, HJ.,Jia, BR.,...&Yan, JH.(2014).Nitrogen deposition and its spatial pattern in main forest ecosystems along north-south transect of eastern China.CHINESE GEOGRAPHICAL SCIENCE,24(2),137-146.
MLA Zhan, XY,et al."Nitrogen deposition and its spatial pattern in main forest ecosystems along north-south transect of eastern China".CHINESE GEOGRAPHICAL SCIENCE 24.2(2014):137-146.
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