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Studies on the restoration succession of PFU microbial communities in a pilot-scale microcosm
Jiang, Jian-Guo; Shen, Yun-Fen; Jiang, JG, S China Univ Technol, Coll Food & Bioengn, Guangzhou 510640, Peoples R China
2007-06-01
Source PublicationCHEMOSPHERE
ISSN0045-6535
Volume68Issue:4Pages:637-646
AbstractIn order to imitate the restoration succession process of natural water ecosystem, a laboratory microcosm system of constant-flow-restoration was designed and established. A eutrophycation lake, Lake Donghu, was selected as the subject investigated. Six sampling stations were set on the lake, among which the water of station IV was natural clean water, and others were polluted with different degrees. Polyurethane foam unit microbial communities, which had colonized in the stations for a month, were collected from these stations and placed in their respective microcosms, using clean water of station IV to gradually replace the water of these microcosms. In this process, the healthy community in clean water continuously replaced the damaged communities in polluted water, the restoration succession of the damaged communities was characterized by weekly determination of several functional and structural community parameters, including species number (S), diversity index (DI), community pollution value (CPV), heterotrophy index (HI), and similarity coefficient. Cluster analysis based on similarity coefficient was used to compare the succession discrepancies of these microbial communities from different stations. The ecological succession of microbial communities during restoration was investigated by the variable patterns of these parameters, and based on which, the restoration standards of these polluted stations were suggested in an ecological sense. That was, while being restored, the water of station 0 (supereutrophycation) should be substituted with natural clean water by 95%; station I (eutrophycation), more than 90%; station II (eutrophycation), more than 85%; station III (eutrophycation), about 85%; station V (mesoetitrophycation), less than 50%. The effects of the structural and functional parameters in monitoring and assessing ecological restoration are analyzed and compared. (C) 2007 Elsevier Ltd. All rights reserved.; In order to imitate the restoration succession process of natural water ecosystem, a laboratory microcosm system of constant-flow-restoration was designed and established. A eutrophycation lake, Lake Donghu, was selected as the subject investigated. Six sampling stations were set on the lake, among which the water of station IV was natural clean water, and others were polluted with different degrees. Polyurethane foam unit microbial communities, which had colonized in the stations for a month, were collected from these stations and placed in their respective microcosms, using clean water of station IV to gradually replace the water of these microcosms. In this process, the healthy community in clean water continuously replaced the damaged communities in polluted water, the restoration succession of the damaged communities was characterized by weekly determination of several functional and structural community parameters, including species number (S), diversity index (DI), community pollution value (CPV), heterotrophy index (HI), and similarity coefficient. Cluster analysis based on similarity coefficient was used to compare the succession discrepancies of these microbial communities from different stations. The ecological succession of microbial communities during restoration was investigated by the variable patterns of these parameters, and based on which, the restoration standards of these polluted stations were suggested in an ecological sense. That was, while being restored, the water of station 0 (supereutrophycation) should be substituted with natural clean water by 95%; station I (eutrophycation), more than 90%; station II (eutrophycation), more than 85%; station III (eutrophycation), about 85%; station V (mesoetitrophycation), less than 50%. The effects of the structural and functional parameters in monitoring and assessing ecological restoration are analyzed and compared. (C) 2007 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordSuccession Ecology Restoration Protozoa Pfu Microbial Community Community Parameter
DepartmentS China Univ Technol, Coll Food & Bioengn, Guangzhou 510640, Peoples R China; Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
Subject AreaEnvironmental Sciences
DOI10.1016/j.chemosphere.2007.02.048
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000246940900005
WOS KeywordSECONDARY SUCCESSION ; BIOTIC INDEX ; PROTOZOAN COMMUNITIES ; VEGETATION SUCCESSION ; HABITAT RESTORATION ; WATER-POLLUTION ; EUTROPHIC LAKE ; DIVERSITY ; GRASSLANDS ; ECOSYSTEMS
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/8568
Collection期刊论文
Corresponding AuthorJiang, JG, S China Univ Technol, Coll Food & Bioengn, Guangzhou 510640, Peoples R China
Affiliation1.S China Univ Technol, Coll Food & Bioengn, Guangzhou 510640, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Jiang, Jian-Guo,Shen, Yun-Fen,Jiang, JG, S China Univ Technol, Coll Food & Bioengn, Guangzhou 510640, Peoples R China. Studies on the restoration succession of PFU microbial communities in a pilot-scale microcosm[J]. CHEMOSPHERE,2007,68(4):637-646.
APA Jiang, Jian-Guo,Shen, Yun-Fen,&Jiang, JG, S China Univ Technol, Coll Food & Bioengn, Guangzhou 510640, Peoples R China.(2007).Studies on the restoration succession of PFU microbial communities in a pilot-scale microcosm.CHEMOSPHERE,68(4),637-646.
MLA Jiang, Jian-Guo,et al."Studies on the restoration succession of PFU microbial communities in a pilot-scale microcosm".CHEMOSPHERE 68.4(2007):637-646.
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