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Title:
Characteristics of Sediment Bacterial Community in Response to Environmental Impacts in a Sewage Polluted River
Author: Li, Jialin1; Lin, Shaoying2; Qin, Song1,2
Source: JOURNAL OF COASTAL RESEARCH
ISSN: 0749-0208
Issued Date: 2016-09-01
Volume: 74, Pages:196-206
Keyword: Bacterial composition ; river sediments ; environmental contaminants ; river eutrophication
Subject: Environmental Sciences & Ecology ; Physical Geography ; Geology
DOI: 10.2112/SI74-017.1
Rank: [ 1 ] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Biol & Bioresource Utilizat, Yantai 264003, Shandong, Peoples R China;[ 2 ] Yantai Univ, Coll Environm & Mat Engn, Yantai 264005, Shandong, Peoples R China
Corresponding Author: Qin, S (reprint author)Show the Organization-Enhanced name(s) Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Biol & Bioresource Utilizat, Yantai 264003, Shandong, Peoples R China ; Qin, S (reprint author)Show the Organization-Enhanced name(s) Yantai Univ, Coll Environm & Mat Engn, Yantai 264005, Shandong, Peoples R China. sqin@yic.ac.cn
Department: 海岸带生物学与生物资源利用所重点实验室
English Abstract: The Jiaolai River is the main source of industrial and irrigation water for its catchment of 3900 km(2). Anthropogenic activities have caused heavy pollution of this river, but their impacts on biota have never been evaluated. In this study, molecular techniques were applied to investigate the impacts of environmental pollution on the river. Quantitative PCR revealed that total bacterial abundance ranged from 2.90x10(7) to 2.12x10(8) copies/g, with no significant differences among sampling sites or seasons. Bacterial abundance and pore water ammonium concentration were negatively correlated. Cluster analysis revealed that bacterial communities were mainly distributed into groups corresponding to nitrate concentration. Two clone libraries were constructed to compare the bacterial composition of samples with high (J308) and moderate (J304) nitrate impact. Sample J308 was characterized by more members in Clostridia and disappearance of Betaproteobacteria members, which are the primary contributors to nitrogen biogeochemical cycling. Bacterial communities in the sediment were clearly differentiated by environmental nitrogen pollution, suggesting that nitrogen eutrophication was the main environmental problem influencing the Jiaolai River.
WOS Subject Extended: Environmental Sciences & Ecology ; Physical Geography ; Geology
Funder: Chinese Academy of Sciences(XDA11020305) ; National Natural Science Foundation of China(41106100 ; 41176144)
WOS Keyword Plus: 16S RIBOSOMAL-RNA ; GRADIENT GEL-ELECTROPHORESIS ; AMMONIA-OXIDIZING BACTERIA ; MICROBIAL COMMUNITIES ; LAIZHOU BAY ; WATER ; DIVERSITY ; CHINA ; DYNAMICS ; GENES
DOC Type: Article
Indexed Type: SCI
Language: 英语
WOS ID: WOS:000383795300018
Citation statistics:
Content Type: 期刊论文
URI: http://ir.yic.ac.cn/handle/133337/17209
Appears in Collections:海岸带生物学与生物资源利用所重点实验室_期刊论文

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description.institution: 1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Biol & Bioresource Utilizat, Yantai 264003, Shandong, Peoples R China
2.Yantai Univ, Coll Environm & Mat Engn, Yantai 264005, Shandong, Peoples R China

Recommended Citation:
Li, Jialin,Lin, Shaoying,Qin, Song. Characteristics of Sediment Bacterial Community in Response to Environmental Impacts in a Sewage Polluted River[J]. JOURNAL OF COASTAL RESEARCH,2016,74:196-206.
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文件名: Characteristics of Sediment Bacterial Community in Response to Environmental Impacts in a Sewage Polluted River.pdf
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