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Spatial distribution of diatom assemblages in the surface sediments of Selin Co, central Tibetan Plateau, China, and the controlling factors
Yu, SW (Yu, Siwei)1,3; Wang, JB (Wang, Junbo)1,2; Li, YM (Li, Yameng)4; Peng, P (Peng, Ping)1; Kai, JL (Kai, Jinlei)1,3; Kou, QQ (Kou, Qiangqiang)5; Laug, A (Laug, Andreas)6
Source PublicationJOURNAL OF GREAT LAKES RESEARCH
2019
Volume45Issue:6Pages:1069-1079
DOI10.1016/j.jglr.2019.09.006
Abstract

Currently there are few studies on modern diatom ecology in large lakes on the Tibetan Plateau. To illustrate spatial patterns of diatom communities and study the correlation with environmental variables, 143 surface sediments were sampled from the largest lake (Selin Co) on the central Tibetan Plateau. A total of 143 diatom species belonging to 30 genera were identified, most of which were halophilic and basophilic species. Our results show that diatom communities exhibit a distinct spatial pattern in different environments including fluvial rivers, the inlet of Selin Co, the small lake region and the large lake region of Selin Co. Based on a depth-constrained cluster analysis, the diatom taxa were divided into three different communities: the shallow sedimentary zone (0-12 m), middle sedimentary zone (12-22 m) and deep sedimentary zone (22-48 m). The dominant species were Cocconeis placentula, Nitzschia hungarica and Anomoeoneis costata respectively. Through Canonical correspondence analysis, it was indicated that the spatial distribution of the diatom assemblages was mainly influenced by water depth, grain size and temperature, with water depth being the dominant factor. WA-PLS and WA regression models were used to establish a diatom-depth transfer function (r(boot)(2) = 0.73, RMSEP = 0.19; r(boot)(2) = 0.76, RMSEP = 0.19), further demonstrating the correlation between the diatom community and water depth. Our results defined the spatial distributions and controlling factors of diatom assemblages from the different environments. (C) 2019 International Association for Great Lakes Research. Published by Elsevier B.V. All rights reserved.

Subject AreaEnvironmental Sciences
WOS IDWOS:000504780900005
Language英语
Indexed BySCI
KeywordEnvironmental-changes Lake Level Nam Co Salinity Diversity Streams
WOS Research AreaEnvironmental Sciences & Ecology ; Marine & Freshwater Biology
WOS SubjectEnvironmental Sciences ; Limnology ; Marine & Freshwater Biology
Cooperation Status国际
ISSN0380-1330
Department环境变化与地表过程重点实验室
URL查看原文
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/9070
Collection图书馆
Corresponding AuthorWang, JB (Wang, Junbo)
Affiliation1.Chinese Acad Sci, Key Lab Tibetan Environm Changes & Land Surface P, Nam Co Monitoring & Res Stn NAMORS, Inst Tibetan Plateau Res, Beijing 100101, Peoples R China;
2.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China;
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China;
4.Linyi Univ, Inst Geol & Paleontol, Linyi 276000, Shandong, Peoples R China;
5.China Univ Geosci, Sch Earth Sci, Wuhan 430074, Hubei, Peoples R China;
6.Tech Univ Carolo Wilhelmina Braunschweig, Inst Geosyst & Bioindicat, Braunschweig, Germany.
Recommended Citation
GB/T 7714
Yu, SW ,Wang, JB ,Li, YM ,et al. Spatial distribution of diatom assemblages in the surface sediments of Selin Co, central Tibetan Plateau, China, and the controlling factors[J]. JOURNAL OF GREAT LAKES RESEARCH,2019,45(6):1069-1079.
APA Yu, SW .,Wang, JB .,Li, YM .,Peng, P .,Kai, JL .,...&Laug, A .(2019).Spatial distribution of diatom assemblages in the surface sediments of Selin Co, central Tibetan Plateau, China, and the controlling factors.JOURNAL OF GREAT LAKES RESEARCH,45(6),1069-1079.
MLA Yu, SW ,et al."Spatial distribution of diatom assemblages in the surface sediments of Selin Co, central Tibetan Plateau, China, and the controlling factors".JOURNAL OF GREAT LAKES RESEARCH 45.6(2019):1069-1079.
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