IHB OpenIR  > 淡水生态学研究中心  > 期刊论文
Significance of HCO3- alkalinity in calcification and utilization of dissolved inorganic carbon in Chara vulgaris
Wang, Heyun1,2; Ni, Leyi2; Yu, Dan3
2017
Source PublicationAQUATIC BIOLOGY
ISSN1864-7790
Volume26Issue:1Pages:169-178
Abstract

To investigate the influence of HCO3- alkalinity on calcification in thalli of the genus Chara, we studied the effects of increased light level and additional HCO3- on calcification rate in C. vulgaris at various hours (30 min, 8 h, 12 h, 12.5 h, 20 h and 24 h after treatment) in a 24 h experiment (12 h light: 12 h dark). We identified a significant Pearson's correlation between exogenous dissolved inorganic carbon (DIC) concentrations and the utilization of DIC (mu mol C g(-1) fresh weight). Plotting the daily rhythm of DIC utilization produced negative quadratic curves. Furthermore, calcification rate (mu mol Ca h(-1) g(-1)) was linearly related to DIC utilization rate (DICuptake; mu mol C h(-1) g(-1)), indicating that the calcification rate is dependent on DICuptake. However, ratios of calcification to the utilization of DIC were decreased at high light intensity and increased with HCO3- addition, which was mainly ascribed to changes in the ratio of calcification to photosynthesis. Chlorophyll fluorescence results provided direct evidence for the promotion of photosynthesis in Chara thalli by both high light and DIC addition and their positive influence on maximum relative electron transport rate. These results suggest that calcification in calcareous C. vulgaris is mainly restrained by HCO3- alkalinity, which could explain the correlation between calcification of Chara thalli and alkalinity of water bodies in the field.

KeywordCalcification Dissolved inorganic carbon utilization Rapid light curves Chara Calcification Photosynthesis
DOI10.3354/ab00684
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; 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Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[31670367] ; National Natural Science Foundation of China[41501297] ; National Natural Science Foundation of China[31000161]
WOS Research AreaMarine & Freshwater Biology
WOS SubjectMarine & Freshwater Biology
WOS IDWOS:000414539100001
WOS KeywordEMILIANIA-HUXLEYI LOHMANN ; MEASURED IN-SITU ; PHOTOSYNTHETIC UTILIZATION ; CHLOROPHYLL FLUORESCENCE ; CALCITE ENCRUSTATION ; GALAXEA-FASCICULARIS ; SCLERACTINIAN CORAL ; GENERATES PROTONS ; PAM FLUOROMETRY ; LIGHT CURVES
PublisherINTER-RESEARCH
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; 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Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/30788
Collection淡水生态学研究中心_期刊论文
Corresponding AuthorNi, Leyi
Affiliation1.Hubei Univ Technol, Coll Resource & Environm Engn, Wuhan 430068, Hubei, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol China, Donghu Expt Stn Lake Ecosyst, Donghu South Rd 7, Wuhan 430072, Hubei, Peoples R China
3.Wuhan Univ, Coll Life Sci, Freshwater Natl Observat & Res Stn Lake Ecosyst L, Wuhan 430072, Hubei, Peoples R China
Recommended Citation
GB/T 7714
Wang, Heyun,Ni, Leyi,Yu, Dan. Significance of HCO3- alkalinity in calcification and utilization of dissolved inorganic carbon in Chara vulgaris[J]. AQUATIC BIOLOGY,2017,26(1):169-178.
APA Wang, Heyun,Ni, Leyi,&Yu, Dan.(2017).Significance of HCO3- alkalinity in calcification and utilization of dissolved inorganic carbon in Chara vulgaris.AQUATIC BIOLOGY,26(1),169-178.
MLA Wang, Heyun,et al."Significance of HCO3- alkalinity in calcification and utilization of dissolved inorganic carbon in Chara vulgaris".AQUATIC BIOLOGY 26.1(2017):169-178.
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