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Contribution of microspatial factors to benthic diatom communities
Wu, Naicheng1,2; Cai, Qinghua1; Fohrer, Nicola2; Cai, QH (reprint author), Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China.
2014-07-01
Source PublicationHYDROBIOLOGIA
ISSN0018-8158
Volume732Issue:1Pages:49-60
AbstractSpatial factors can play important and potentially confounding roles governing the presence, the absence, and the abundance of the diatom species and consequently influence the diatom-based bioassessment. To examine how spatial factors affect diatom community and biomonitoring, diatom community was sampled in three catchments with similar river length and watershed area across a large spatial scale along the Yangtze River, China. Redundancy analysis (RDA) showed that patterns of diatom distribution could be attributed not only to environmental variables (e.g., NO3-N, TN, WT, and COD), but also to spatial factors (e.g., elevation, latitude, and longitude). Partial RDAs partitioned the total variance of diatom data explained (64.7%) into three parts: pure spatial variables contributed the highest proportion (19.8%), followed by pure environmental variables (5.4%), and the shared effects by environmental and spatial sets explained a large proportion of diatom variance (39.5%). Recognizing the potential influences of spatial factors, further accumulations of diatom data within different regions would allow for the development of better diatom-based monitoring methods for watershed diagnosis and management.; Spatial factors can play important and potentially confounding roles governing the presence, the absence, and the abundance of the diatom species and consequently influence the diatom-based bioassessment. To examine how spatial factors affect diatom community and biomonitoring, diatom community was sampled in three catchments with similar river length and watershed area across a large spatial scale along the Yangtze River, China. Redundancy analysis (RDA) showed that patterns of diatom distribution could be attributed not only to environmental variables (e.g., NO3-N, TN, WT, and COD), but also to spatial factors (e.g., elevation, latitude, and longitude). Partial RDAs partitioned the total variance of diatom data explained (64.7%) into three parts: pure spatial variables contributed the highest proportion (19.8%), followed by pure environmental variables (5.4%), and the shared effects by environmental and spatial sets explained a large proportion of diatom variance (39.5%). Recognizing the potential influences of spatial factors, further accumulations of diatom data within different regions would allow for the development of better diatom-based monitoring methods for watershed diagnosis and management.
SubtypeArticle
KeywordBioassessment Diatoms Environmental Variables Spatial Factors Variance Partitioning
Department[Wu, Naicheng ; Cai, Qinghua] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China ; [Wu, Naicheng ; Fohrer, Nicola] Univ Kiel, Inst Nat Resource Conservat, D-24118 Kiel, Germany
DOI10.1007/s10750-014-1843-3
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Funding OrganizationMajor S&T Special Project of Water Pollution Control and Management [2012ZX07501002-007, 2012ZX07104-002]; National Natural Science Foundation of China [30330140]; State Key Laboratory FEBL Research Grant [2011FBZ02]; DFG-Grant [WU 749/1-1] ; Major S&T Special Project of Water Pollution Control and Management [2012ZX07501002-007, 2012ZX07104-002]; National Natural Science Foundation of China [30330140]; State Key Laboratory FEBL Research Grant [2011FBZ02]; DFG-Grant [WU 749/1-1] ; Major S&T Special Project of Water Pollution Control and Management [2012ZX07501002-007, 2012ZX07104-002]; National Natural Science Foundation of China [30330140]; State Key Laboratory FEBL Research Grant [2011FBZ02]; DFG-Grant [WU 749/1-1] ; Major S&T Special Project of Water Pollution Control and Management [2012ZX07501002-007, 2012ZX07104-002]; National Natural Science Foundation of China [30330140]; State Key Laboratory FEBL Research Grant [2011FBZ02]; DFG-Grant [WU 749/1-1]
Indexed BySCI
Language英语
WOS Research AreaMarine & Freshwater Biology
WOS SubjectMarine & Freshwater Biology
WOS IDWOS:000335701500004
WOS KeywordXIANGXI RIVER SYSTEM ; BIOTIC INTEGRITY ; AQUATIC ECOSYSTEMS ; ALGAL COMMUNITIES ; EUROPEAN STREAMS ; SMALL HYDROPOWER ; WATER-POLLUTION ; LAND-USE ; ASSEMBLAGES ; INDEX
Funding OrganizationMajor S&T Special Project of Water Pollution Control and Management [2012ZX07501002-007, 2012ZX07104-002]; National Natural Science Foundation of China [30330140]; State Key Laboratory FEBL Research Grant [2011FBZ02]; DFG-Grant [WU 749/1-1] ; Major S&T Special Project of Water Pollution Control and Management [2012ZX07501002-007, 2012ZX07104-002]; National Natural Science Foundation of China [30330140]; State Key Laboratory FEBL Research Grant [2011FBZ02]; DFG-Grant [WU 749/1-1] ; Major S&T Special Project of Water Pollution Control and Management [2012ZX07501002-007, 2012ZX07104-002]; National Natural Science Foundation of China [30330140]; State Key Laboratory FEBL Research Grant [2011FBZ02]; DFG-Grant [WU 749/1-1] ; Major S&T Special Project of Water Pollution Control and Management [2012ZX07501002-007, 2012ZX07104-002]; National Natural Science Foundation of China [30330140]; State Key Laboratory FEBL Research Grant [2011FBZ02]; DFG-Grant [WU 749/1-1]
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/20003
Collection淡水生态学研究中心_期刊论文
Corresponding AuthorCai, QH (reprint author), Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China.
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
2.Univ Kiel, Inst Nat Resource Conservat, D-24118 Kiel, Germany
Recommended Citation
GB/T 7714
Wu, Naicheng,Cai, Qinghua,Fohrer, Nicola,et al. Contribution of microspatial factors to benthic diatom communities[J]. HYDROBIOLOGIA,2014,732(1):49-60.
APA Wu, Naicheng,Cai, Qinghua,Fohrer, Nicola,&Cai, QH .(2014).Contribution of microspatial factors to benthic diatom communities.HYDROBIOLOGIA,732(1),49-60.
MLA Wu, Naicheng,et al."Contribution of microspatial factors to benthic diatom communities".HYDROBIOLOGIA 732.1(2014):49-60.
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