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Environmental mechanism of change in cyanobacterial species composition in the northeastern part of Lake Dianchi (China)
Xing, Wei; Huang, Wen-min; Liu, Yong-ding; Li, Dun-hai; Shen, Yin-wu; Li, Gen-bao; Liu, Y, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
2007
Source PublicationFRESENIUS ENVIRONMENTAL BULLETIN
ISSN1018-4619
Volume16Issue:1Pages:82-90
AbstractEnvironmental mechanism of change in cyanobacterial species composition in the northeastern part of Lake Dianchi (also called Macun Bay and Haidong Bay) was studied using canonical correlation analysis (CCA), but also bottom-up control and top-down control were fully discussed. Results from CCA suggest: (1) the abundance and dominance of Microcystis aeruginosa in Macun Bay and Haidong Bay are influenced by total phosphorus (TP), nitrate (NO3--N), nitrite (NO2--N), dissolved oxygen (DO) and water temperature (WT); (2) water temperature has a positive correlation with the abundance of M. aeruginosa and it also has negative correlations with the abundances of Anabaena flos-aquae and Aphanizomenonon flos-aquae; and (3) abundances of both Anabaena flos-aquae and Aphanizomenon flos-aquae have positive correlations with ammonia-N (NH4+-N). Furthermore, cyanobacterial species composition has no significant correlations with light and size-fractioned iron in this study. Grazers, cyanophages and viruses were able to control cyanobacterial blooms and change the composition of cyanobacterial species. Though we studied physical and chemical factors intensely enough, we still are not able to predict the change in the composition of cyanobacterial blooms, because of plankton system in a chaotic behavior.; Environmental mechanism of change in cyanobacterial species composition in the northeastern part of Lake Dianchi (also called Macun Bay and Haidong Bay) was studied using canonical correlation analysis (CCA), but also bottom-up control and top-down control were fully discussed. Results from CCA suggest: (1) the abundance and dominance of Microcystis aeruginosa in Macun Bay and Haidong Bay are influenced by total phosphorus (TP), nitrate (NO3--N), nitrite (NO2--N), dissolved oxygen (DO) and water temperature (WT); (2) water temperature has a positive correlation with the abundance of M. aeruginosa and it also has negative correlations with the abundances of Anabaena flos-aquae and Aphanizomenonon flos-aquae; and (3) abundances of both Anabaena flos-aquae and Aphanizomenon flos-aquae have positive correlations with ammonia-N (NH4+-N). Furthermore, cyanobacterial species composition has no significant correlations with light and size-fractioned iron in this study. Grazers, cyanophages and viruses were able to control cyanobacterial blooms and change the composition of cyanobacterial species. Though we studied physical and chemical factors intensely enough, we still are not able to predict the change in the composition of cyanobacterial blooms, because of plankton system in a chaotic behavior.
SubtypeArticle
KeywordPhysical Factors Chemical Factors Cyanobacterial Species Composition Canonical Correlation Analysis (Cca) Bottom-up Control Top-down Control Lake Dianchi
DepartmentChinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China; Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
Subject AreaEnvironmental Sciences
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000244841800016
WOS KeywordSHALLOW SUBTROPICAL LAKE ; MICROCYSTIS-AERUGINOSA ; LIGHT AVAILABILITY ; RIVER ESTUARY ; FLOS-AQUAE ; IRON ; PHYTOPLANKTON ; GROWTH ; CHLOROPHYLL ; TEMPERATURE
Citation statistics
Cited Times:20[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/8678
Collection期刊论文
Corresponding AuthorLiu, Y, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Xing, Wei,Huang, Wen-min,Liu, Yong-ding,et al. Environmental mechanism of change in cyanobacterial species composition in the northeastern part of Lake Dianchi (China)[J]. FRESENIUS ENVIRONMENTAL BULLETIN,2007,16(1):82-90.
APA Xing, Wei.,Huang, Wen-min.,Liu, Yong-ding.,Li, Dun-hai.,Shen, Yin-wu.,...&Liu, Y, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China.(2007).Environmental mechanism of change in cyanobacterial species composition in the northeastern part of Lake Dianchi (China).FRESENIUS ENVIRONMENTAL BULLETIN,16(1),82-90.
MLA Xing, Wei,et al."Environmental mechanism of change in cyanobacterial species composition in the northeastern part of Lake Dianchi (China)".FRESENIUS ENVIRONMENTAL BULLETIN 16.1(2007):82-90.
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