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Base cation concentrations in forest litter and topsoil have different responses to climate and tree species along elevational gradients
Xue Feng1,2; Zhao Ming-fei1,2; Wang Yu-hang1,2; Kang Mu-yi1,2; Xing Kai-xiong3; Wang Guo-yi1,2; Shi Jing-jing1,2; Chen Chen4; Jiang Yuan1,2
2019
Source PublicationJOURNAL OF MOUNTAIN SCIENCE
ISSN1672-6316
Volume16Issue:1Pages:30-42
Corresponding AuthorJiang Yuan(jiangy@bnu.edu.cn)
AbstractThe forest litter is an essential reservoir of nutrients in forests, supplying a large part of absorbable base cations (BC) to topsoil, and facilitating plant growth within litter-soil system. To characterize elevational patterns of base cation concentrations in the forest litter and topsoil, and explore the effects of climate and tree species, we measured microclimate and collected the forest litter and topsoil (0-10 cm) samples across an elevational range of more than 2000 m (1243 3316 m a.s.l.), and analyzed the concentrations of BC in laboratory. Results showed that: 1) litter Ca concentration displayed a hump-shaped pattern along the elevational gradients, but litter K and Mg showed saddle-shaped patterns. Soil Ca concentration increased with elevation, while soil K and Mg had no significant changes. 2) Ca concentration in the forest litter under aspen (Populus davidiana) was significantly higher than that in all other species, but in topsoil, Ca concentration was higher under coniferous larch and fir (Larix chinensis and Abies fargesii). Litter K and Mg concentrations was higher under coniferous larch and fir, whereas there were no significant differences among tree species in the concentrations of K and Mg in topsoil. 3) Climatic factors including mean annual temperature (MAT), growing season precipitation (GSP) and non-growing season precipitation (NGSP) determined BC concentrations in the forest litter and topsoil. Soil C/N and C/P also influenced BC cycling between litter and soil. Observation along elevations within different tree species implies that above-ground tree species can redistribute below-ground cations, and this process is profoundly impacted by climate. Litter and soil Ca, K and Mg with different responses to environmental variables depend on their soluble capacity and mobile ability.
KeywordBase cations Elevations Larix chinensis Litter-soil system Carbon nitrogen ratio
DOI10.1007/s11629-018-5129-5
WOS KeywordEASTERN-UNITED-STATES ; ORGANIC-MATTER ; SOIL-NITROGEN ; LEAF NITROGEN ; DYNAMICS ; DECOMPOSITION ; CALCIUM ; FLOOR ; POTASSIUM ; STOICHIOMETRY
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41771051] ; National Natural Science Foundation of China[41630750] ; National Key Basic Research Special Foundation of China[2011FY110300]
Funding OrganizationNational Natural Science Foundation of China ; National Key Basic Research Special Foundation of China
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000456251500003
PublisherSCIENCE PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/50536
Collection中国科学院地理科学与资源研究所
Corresponding AuthorJiang Yuan
Affiliation1.Beijing Normal Univ, Beijing Key Lab Tradit Chinese Med Protect & Util, Fac Geog Sci, Beijing 100875, Peoples R China
2.Beijing Normal Univ, Fac Geog Sci, Coll Resources Sci & Technol, Beijing 100875, Peoples R China
3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
4.Lakehead Univ, Fac Nat Resources Management, 955 Oliver Rd, Thunder Bay, ON P7B 5E1, Canada
Recommended Citation
GB/T 7714
Xue Feng,Zhao Ming-fei,Wang Yu-hang,et al. Base cation concentrations in forest litter and topsoil have different responses to climate and tree species along elevational gradients[J]. JOURNAL OF MOUNTAIN SCIENCE,2019,16(1):30-42.
APA Xue Feng.,Zhao Ming-fei.,Wang Yu-hang.,Kang Mu-yi.,Xing Kai-xiong.,...&Jiang Yuan.(2019).Base cation concentrations in forest litter and topsoil have different responses to climate and tree species along elevational gradients.JOURNAL OF MOUNTAIN SCIENCE,16(1),30-42.
MLA Xue Feng,et al."Base cation concentrations in forest litter and topsoil have different responses to climate and tree species along elevational gradients".JOURNAL OF MOUNTAIN SCIENCE 16.1(2019):30-42.
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