Vertical distribution of soil carbon, nitrogen, and phosphorus in typical Chinese terrestrial ecosystems
Chai, H; Yu, GR; He, NP; Wen, D; Li, J; Fang, JP
2015
Source PublicationCHINESE GEOGRAPHICAL SCIENCE
ISSN1002-0063
Volume25Issue:5Pages:549-560
AbstractCharacterization of the vertical distribution of soil organic carbon (C), nitrogen (N), and phosphorus (P) may improve our ability to accurately estimate soil C, N, and P storage. Based on a database of 21 354 records in 74 long-term monitoring plots from 2004 to 2013 in the Chinese Ecosystem Research Network (CERN), we built fitting functions to quantify the vertical distribution of soil C, N, and P (up to 100 cm depth) in the typical Chinese terrestrial ecosystems. The decrease of soil C, N, and P content with depth can be well fitted with various mathematical functions. The fitting functions differed greatly between artificial (agriculture) and natural (desert, forest, and grassland) ecosystems, and also differed with respect to soil C, N, and P content. In both the artificial and natural ecosystems, the best fitting functions were exponential functions for C, quadratic functions for N, and quadratic functions for P. Furthermore, the stoichiometric ratios of soil C, N, and P were ranked in descending order: grassland > forest > agriculture > desert, and were also associated with climate. This study is the first to build the fitting functions for the profile distribution of soil C, N, and P in China at a national scale. Our findings provide a scientific basis to accurately assess the storage of C, N, and P in soils at a large scale, especially for the integrative analysis of historical data.
SubtypeJournal
Keywordsoil profile storage stoichiometry vertical distribution China
Subject AreaEnvironmental Sciences & Ecology
WOS Subject ExtendedEnvironmental Sciences
WOS KeywordMODEL SELECTION ; ORGANIC-CARBON ; LAND-USE ; DECOMPOSITION ; MANAGEMENT ; GRASSLAND ; HAWAII ; PLANT ; FERTILIZATION ; NUTRIENTS
Indexed BySCI
Language英语
WOS IDWOS:000359924900003
PublisherSPRINGER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/44358
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
Chai, H,Yu, GR,He, NP,et al. Vertical distribution of soil carbon, nitrogen, and phosphorus in typical Chinese terrestrial ecosystems[J]. CHINESE GEOGRAPHICAL SCIENCE,2015,25(5):549-560.
APA Chai, H,Yu, GR,He, NP,Wen, D,Li, J,&Fang, JP.(2015).Vertical distribution of soil carbon, nitrogen, and phosphorus in typical Chinese terrestrial ecosystems.CHINESE GEOGRAPHICAL SCIENCE,25(5),549-560.
MLA Chai, H,et al."Vertical distribution of soil carbon, nitrogen, and phosphorus in typical Chinese terrestrial ecosystems".CHINESE GEOGRAPHICAL SCIENCE 25.5(2015):549-560.
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