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Diatom taxa and assemblages for establishing nutrient criteria of lakes with anthropogenic hydrologic alteration
Zhang, Yali1,2; Huo, Shouliang2; Li, Renhui3; Xi, Beidou2; Li, Hua3; He, Zhuoshi2; Pang, Chengfang4
2016-08-01
Source PublicationECOLOGICAL INDICATORS
ISSN1470-160X
Volume67Pages:166-173
AbstractStressor-response models offer guidance for concentration-based nutrient criteria in lakes under human intervention. Diatom-based statistics from biological responses were incorporated to derive taxon-specific and community-level change points (thresholds) of phosphorous and nitrogen in 77 Yangtze floodplain lakes. Diatom metrics relating with conductivity were adopted as response variables, since conductivity explained the maximum variation (38.1%) in diatom assemblages via Bootstrapped regression trees. Nonparametric change-point analysis and Threshold Indicator Taxa ANalysis showed threshold responses of diatom community structure at 0.05-0.08 mg TP/L in connected lakes and 0.02-0.04 mgTP/L in isolated lakes. Distinct community change points of sensitive diatoms occurred at 0.96-1.63 mgTN/L in connected lakes and 0.52-0.63 mgTN/L in isolated lakes. Diatom community structures of tolerant taxa were substantially altered beyond 0.22-0.23 mg/L in connected lakes and 0.52-0.69 mg NOx/L in isolated lakes. Hydrological river-lake connectivity differed significantly in ecological nutrient criteria with more TN/TP criteria and less NOx criteria in connected lakes. Given the ecological significance and biological integrity, diatom-based statistics can provide more reliable change points (thresholds) for nutrient criteria than Chl alpha-nutrient relationships. (C) 2016 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordPhosphorus Nitrogen Diatoms Nutrient Criteria Hydrological Connectivity
DOI10.1016/j.ecolind.2016.02.048
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Funding OrganizationMajor Science and Technology Program for Water Pollution Control and Treatment(2012ZX07101) ; Major Science and Technology Program for Water Pollution Control and Treatment(2012ZX07101) ; National Natural Science Foundation of China(41303085) ; National Natural Science Foundation of China(41303085) ; Major Science and Technology Program for Water Pollution Control and Treatment(2012ZX07101) ; Major Science and Technology Program for Water Pollution Control and Treatment(2012ZX07101) ; National Natural Science Foundation of China(41303085) ; National Natural Science Foundation of China(41303085)
Language英语
WOS Research AreaBiodiversity & Conservation ; Environmental Sciences & Ecology
WOS SubjectBiodiversity Conservation ; Environmental Sciences
WOS KeywordECOLOGICAL COMMUNITY THRESHOLDS ; WATER-QUALITY ; ENVIRONMENTAL GRADIENTS ; ALGAL METRICS ; UNITED-STATES ; AQUATIC LIFE ; OXBOW LAKES ; STREAMS ; EUTROPHICATION ; CONNECTIVITY
WOS IDWOS:000388785300017
Funding OrganizationMajor Science and Technology Program for Water Pollution Control and Treatment(2012ZX07101) ; Major Science and Technology Program for Water Pollution Control and Treatment(2012ZX07101) ; National Natural Science Foundation of China(41303085) ; National Natural Science Foundation of China(41303085) ; Major Science and Technology Program for Water Pollution Control and Treatment(2012ZX07101) ; Major Science and Technology Program for Water Pollution Control and Treatment(2012ZX07101) ; National Natural Science Foundation of China(41303085) ; National Natural Science Foundation of China(41303085)
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/28744
Collection藻类生物学及应用研究中心
Affiliation1.Beijing Normal Univ, Sch Environm, State Key Lab Water Environm Simulat, Beijing 100875, Peoples R China
2.Chinese Res Inst Environm Sci, State Key Lab Environm Criteria & Risk Assessment, Beijing 100012, Peoples R China
3.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430071, Hubei, Peoples R China
4.Ca Foscari Univ Venice, Dept Environm Sci Informat & Stat, Venice, Italy
Recommended Citation
GB/T 7714
Zhang, Yali,Huo, Shouliang,Li, Renhui,et al. Diatom taxa and assemblages for establishing nutrient criteria of lakes with anthropogenic hydrologic alteration[J]. ECOLOGICAL INDICATORS,2016,67:166-173.
APA Zhang, Yali.,Huo, Shouliang.,Li, Renhui.,Xi, Beidou.,Li, Hua.,...&Pang, Chengfang.(2016).Diatom taxa and assemblages for establishing nutrient criteria of lakes with anthropogenic hydrologic alteration.ECOLOGICAL INDICATORS,67,166-173.
MLA Zhang, Yali,et al."Diatom taxa and assemblages for establishing nutrient criteria of lakes with anthropogenic hydrologic alteration".ECOLOGICAL INDICATORS 67(2016):166-173.
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