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Influence of environmental factors on zooplankton assemblages in Bosten Lake, a large oligosaline lake in arid northwestern China
Dai, Li-li1,2; Gong, Ying-chun1; Li, Xue-mei3; Feng, Wei-song1; Yu, Yu-he1; Yu, YH (reprint author), Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Peoples R China.
2014-02-01
Source PublicationSCIENCEASIA
ISSN1513-1874
Volume40Issue:1Pages:1-10
AbstractWater salinization in semi-arid and arid regions is threatening freshwater or oligosaline ecosystems. Anthropogenic processes enrich nutrients of aquatic systems causing significant environmental effects. Bosten Lake in Xinjiang Province, China is an interesting ecosystem featuring a salinity gradient from fresh to subsaline, as well as a nutrition gradient from oligotrophic to mesotrophic. In the present study, we focused on the effects of salinity and nutrients in Bosten Lake by investigating the zooplankton assemblages and environmental factors from different sampling times. A total of 74 zooplankton taxa were found, consisting of 34 rotifers, 26 protists, 10 cladocerans, and 4 copepods. Although no significant differences were found among different sampling sites, zooplankton species richness, diversity, and evenness showed significant differences between sampling times, with August samples showing highest values along with water temperature and total nitrogen. Principal component analysis and representational difference analysis results showed that zooplankton abundance is correlated with water temperature and nitrogen, but showed no significant relationship with water mineralization or conductivity. The subsaline-tolerating zooplankton species in Bosten Lake made their community insensitive to salinity. The decrease of total nitrogen concentration in Bosten Lake probably implied a primary productivity increase, which subsequently caused the zooplankton diversity to increase in August.; Water salinization in semi-arid and arid regions is threatening freshwater or oligosaline ecosystems. Anthropogenic processes enrich nutrients of aquatic systems causing significant environmental effects. Bosten Lake in Xinjiang Province, China is an interesting ecosystem featuring a salinity gradient from fresh to subsaline, as well as a nutrition gradient from oligotrophic to mesotrophic. In the present study, we focused on the effects of salinity and nutrients in Bosten Lake by investigating the zooplankton assemblages and environmental factors from different sampling times. A total of 74 zooplankton taxa were found, consisting of 34 rotifers, 26 protists, 10 cladocerans, and 4 copepods. Although no significant differences were found among different sampling sites, zooplankton species richness, diversity, and evenness showed significant differences between sampling times, with August samples showing highest values along with water temperature and total nitrogen. Principal component analysis and representational difference analysis results showed that zooplankton abundance is correlated with water temperature and nitrogen, but showed no significant relationship with water mineralization or conductivity. The subsaline-tolerating zooplankton species in Bosten Lake made their community insensitive to salinity. The decrease of total nitrogen concentration in Bosten Lake probably implied a primary productivity increase, which subsequently caused the zooplankton diversity to increase in August.
SubtypeArticle
KeywordSemiarid Salinization Nutrient Enrichment Abundance Biomass Primary Productivity
Department[Dai, Li-li ; Gong, Ying-chun ; Feng, Wei-song ; Yu, Yu-he] Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Peoples R China ; [Dai, Li-li] Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China ; [Li, Xue-mei] Chinese Acad Fishery Sci, Yangtze River Fisheries Res Inst, Wuhan 430223, Peoples R China
DOI10.2306/scienceasia1513-1874.2014.40.001
WOS HeadingsScience & Technology
Funding OrganizationNational Natural Science Foundation of China [30900130, 31011120092] ; National Natural Science Foundation of China [30900130, 31011120092] ; National Natural Science Foundation of China [30900130, 31011120092] ; National Natural Science Foundation of China [30900130, 31011120092]
Indexed BySCI
Language英语
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000333075500001
WOS KeywordSPECIES RICHNESS ; COMMUNITY STRUCTURE ; SALINE GROUNDWATER ; PRODUCTIVITY ; PHOSPHORUS ; MANAGEMENT ; DIVERSITY ; XINJIANG ; AUSTRALIA ; ABUNDANCE
Funding OrganizationNational Natural Science Foundation of China [30900130, 31011120092] ; National Natural Science Foundation of China [30900130, 31011120092] ; National Natural Science Foundation of China [30900130, 31011120092] ; National Natural Science Foundation of China [30900130, 31011120092]
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/20023
Collection淡水生态学研究中心_期刊论文
Corresponding AuthorYu, YH (reprint author), Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Peoples R China.
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
3.Chinese Acad Fishery Sci, Yangtze River Fisheries Res Inst, Wuhan 430223, Peoples R China
Recommended Citation
GB/T 7714
Dai, Li-li,Gong, Ying-chun,Li, Xue-mei,et al. Influence of environmental factors on zooplankton assemblages in Bosten Lake, a large oligosaline lake in arid northwestern China[J]. SCIENCEASIA,2014,40(1):1-10.
APA Dai, Li-li,Gong, Ying-chun,Li, Xue-mei,Feng, Wei-song,Yu, Yu-he,&Yu, YH .(2014).Influence of environmental factors on zooplankton assemblages in Bosten Lake, a large oligosaline lake in arid northwestern China.SCIENCEASIA,40(1),1-10.
MLA Dai, Li-li,et al."Influence of environmental factors on zooplankton assemblages in Bosten Lake, a large oligosaline lake in arid northwestern China".SCIENCEASIA 40.1(2014):1-10.
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