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Changes in the concentrations of size-fractioned iron and related environmental factors in the northeastern part of lake Dianchi (China)
Xing, Wei; Huang, Wenmin; Shen, Yinwu; Li, Dunhai; Li, Genbao; Liu, Yongding; Liu, YD, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
2006
Source PublicationFRESENIUS ENVIRONMENTAL BULLETIN
ISSN1018-4619
Volume15Issue:6Pages:563-570
AbstractTo observe changes in the concentrations of size-fractionated iron and related environmental factors, experiments were conducted in the northeastern part of the shallow eutrophic lake Dianchi (China) from March 2003 to February 2004. Iron concentrations were measured for three size fractions: particulate iron (phi >0.22 mu m), colloidal iron (phi = 0.025-0.22 mu m) and soluble iron (phi < 0.025 mu m), and environmental factors (physicochemical and biological factors) were synchronously analyzed. Results showed that size-fractionated iron and the related environmental factors all varied with season. Colloidal iron accounted for only 5-9% of total iron, while particulate and soluble iron each accounted for 40-50% of total iron. The results suggested that size-fractionated iron can transform into each other, especially the highly reactive colloidal iron. Significant linear correlations were found between iron in different size fractions, and significant correlations were also obtained between chlorophyll a and environmental factors, such as TN, TP and secchi depth. No significant correlation between iron and chlorophyll a was found in this study.; To observe changes in the concentrations of size-fractionated iron and related environmental factors, experiments were conducted in the northeastern part of the shallow eutrophic lake Dianchi (China) from March 2003 to February 2004. Iron concentrations were measured for three size fractions: particulate iron (phi >0.22 mu m), colloidal iron (phi = 0.025-0.22 mu m) and soluble iron (phi < 0.025 mu m), and environmental factors (physicochemical and biological factors) were synchronously analyzed. Results showed that size-fractionated iron and the related environmental factors all varied with season. Colloidal iron accounted for only 5-9% of total iron, while particulate and soluble iron each accounted for 40-50% of total iron. The results suggested that size-fractionated iron can transform into each other, especially the highly reactive colloidal iron. Significant linear correlations were found between iron in different size fractions, and significant correlations were also obtained between chlorophyll a and environmental factors, such as TN, TP and secchi depth. No significant correlation between iron and chlorophyll a was found in this study.
SubtypeArticle
KeywordParticulate Iron Colloidal Iron Soluble Iron Chlorophyll a 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:000239177700016
WOS KeywordPHYTOPLANKTON BLOOM ; SURFACE-WATER ; HIGH-NUTRIENT ; OCEAN ; VARIABILITY ; ELEMENTS ; JAPAN ; FE
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/8908
Collection期刊论文
Corresponding AuthorLiu, YD, 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, Wenmin,Shen, Yinwu,et al. Changes in the concentrations of size-fractioned iron and related environmental factors in the northeastern part of lake Dianchi (China)[J]. FRESENIUS ENVIRONMENTAL BULLETIN,2006,15(6):563-570.
APA Xing, Wei.,Huang, Wenmin.,Shen, Yinwu.,Li, Dunhai.,Li, Genbao.,...&Liu, YD, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China.(2006).Changes in the concentrations of size-fractioned iron and related environmental factors in the northeastern part of lake Dianchi (China).FRESENIUS ENVIRONMENTAL BULLETIN,15(6),563-570.
MLA Xing, Wei,et al."Changes in the concentrations of size-fractioned iron and related environmental factors in the northeastern part of lake Dianchi (China)".FRESENIUS ENVIRONMENTAL BULLETIN 15.6(2006):563-570.
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