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Reducing organic substances from anaerobic decomposition of hydrophytes
Zhang, Wen1,3; Li, Qingman1; Wang, Xingxiang2; Ding, Yu1,3; Sun, Jingxian1,3; Li, QM, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
2009-05-01
Source PublicationBIOGEOCHEMISTRY
ISSN0168-2563
Volume94Issue:1Pages:1-11
AbstractOxidation-reduction properties of surface sediments are tightly associated with the geochemistry of substances, and reducing organic substances (ROS) from hydrophytes residues may play an important role in these processes. In this study, composition, dynamics, and properties of ROS from anaerobic decomposition of Eichhornia crassipes (Mart.) Solms, Potamogenton crispus Linn, Vallisneria natans (Lour.) Hara, Lemna trisulca Linn and Microcystis flos-aquae (Wittr) Kirch were investigated using differential pulse voltammetry (DPV). The type of hydrophytes determined both the reducibility and composition of ROS. At the peak time of ROS production, the anaerobic decomposition of M. flos-aquae produced 6 types of ROS, among which 3 belonged to strongly reducing organic substance (SROS), whereas there were only 3-4 types of ROS from the other hydrophytes, 2 of them exhibiting strong reducibility. The order of potential of hydrophytes to produce ROS was estimated to be: M. flos-aquae > E. crassipes > L. trisulca > P. crispus approximate to V. natans, based on the summation of SROS and weakly reducing organic substances (WROS). The dynamic pattern of SROS production was greatly different from WROS. The total SROS appeared periodic fluctuation with reducibility gradually weakening with incubation time, whereas the total WROS increased with incubation time. Reducibility of ROS from hydrophytes was readily affected by acid, base and ligands, suggesting that their properties were related to these aspects. In addition to the reducibility, we believe that more attention should be paid to the other behaviors of ROS in surface sediments.; Oxidation-reduction properties of surface sediments are tightly associated with the geochemistry of substances, and reducing organic substances (ROS) from hydrophytes residues may play an important role in these processes. In this study, composition, dynamics, and properties of ROS from anaerobic decomposition of Eichhornia crassipes (Mart.) Solms, Potamogenton crispus Linn, Vallisneria natans (Lour.) Hara, Lemna trisulca Linn and Microcystis flos-aquae (Wittr) Kirch were investigated using differential pulse voltammetry (DPV). The type of hydrophytes determined both the reducibility and composition of ROS. At the peak time of ROS production, the anaerobic decomposition of M. flos-aquae produced 6 types of ROS, among which 3 belonged to strongly reducing organic substance (SROS), whereas there were only 3-4 types of ROS from the other hydrophytes, 2 of them exhibiting strong reducibility. The order of potential of hydrophytes to produce ROS was estimated to be: M. flos-aquae > E. crassipes > L. trisulca > P. crispus approximate to V. natans, based on the summation of SROS and weakly reducing organic substances (WROS). The dynamic pattern of SROS production was greatly different from WROS. The total SROS appeared periodic fluctuation with reducibility gradually weakening with incubation time, whereas the total WROS increased with incubation time. Reducibility of ROS from hydrophytes was readily affected by acid, base and ligands, suggesting that their properties were related to these aspects. In addition to the reducibility, we believe that more attention should be paid to the other behaviors of ROS in surface sediments.
SubtypeArticle
KeywordAnaerobic Decomposition Anaerobic Microbe Hydrophytes Reducing Organic Substance Voltammetry
Department[Zhang, Wen; Li, Qingman; Ding, Yu; Sun, Jingxian] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China; [Wang, Xingxiang] Chinese Acad Sci, Inst Soil Sci, Nanjing 210008, Peoples R China; [Zhang, Wen; Ding, Yu; Sun, Jingxian] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
Subject AreaEnvironmental Sciences ; Geosciences, Multidisciplinary
DOI10.1007/s10533-009-9295-y
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Physical Sciences
Funding OrganizationNational Natural Science Foundation of China [40401029]; Natural Sophisticated Technology Plan of China [2005AA60101005-03]; Key Technology Research and Development Program of Jiangsu, China [BE2008691] ; National Natural Science Foundation of China [40401029]; Natural Sophisticated Technology Plan of China [2005AA60101005-03]; Key Technology Research and Development Program of Jiangsu, China [BE2008691] ; National Natural Science Foundation of China [40401029]; Natural Sophisticated Technology Plan of China [2005AA60101005-03]; Key Technology Research and Development Program of Jiangsu, China [BE2008691] ; National Natural Science Foundation of China [40401029]; Natural Sophisticated Technology Plan of China [2005AA60101005-03]; Key Technology Research and Development Program of Jiangsu, China [BE2008691]
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology ; Geology
WOS SubjectEnvironmental Sciences ; Geosciences, Multidisciplinary
WOS IDWOS:000266733200001
WOS KeywordHUMIC SUBSTANCES ; REDUCTION ; SEDIMENTS ; PHOSPHORUS ; NUTRIENTS ; MANGANESE ; SORPTION ; RELEASE ; MATTER ; CARBON
Funding OrganizationNational Natural Science Foundation of China [40401029]; Natural Sophisticated Technology Plan of China [2005AA60101005-03]; Key Technology Research and Development Program of Jiangsu, China [BE2008691] ; National Natural Science Foundation of China [40401029]; Natural Sophisticated Technology Plan of China [2005AA60101005-03]; Key Technology Research and Development Program of Jiangsu, China [BE2008691] ; National Natural Science Foundation of China [40401029]; Natural Sophisticated Technology Plan of China [2005AA60101005-03]; Key Technology Research and Development Program of Jiangsu, China [BE2008691] ; National Natural Science Foundation of China [40401029]; Natural Sophisticated Technology Plan of China [2005AA60101005-03]; Key Technology Research and Development Program of Jiangsu, China [BE2008691]
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/7722
Collection期刊论文
Corresponding AuthorLi, QM, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Inst Soil Sci, Nanjing 210008, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Wen,Li, Qingman,Wang, Xingxiang,et al. Reducing organic substances from anaerobic decomposition of hydrophytes[J]. BIOGEOCHEMISTRY,2009,94(1):1-11.
APA Zhang, Wen,Li, Qingman,Wang, Xingxiang,Ding, Yu,Sun, Jingxian,&Li, QM, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China.(2009).Reducing organic substances from anaerobic decomposition of hydrophytes.BIOGEOCHEMISTRY,94(1),1-11.
MLA Zhang, Wen,et al."Reducing organic substances from anaerobic decomposition of hydrophytes".BIOGEOCHEMISTRY 94.1(2009):1-11.
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