globalchange  > 气候减缓与适应
DOI: 10.1007/s10533-016-0271-z
Scopus记录号: 2-s2.0-84994756501
论文题名:
Nitrification and denitrification by algae-attached and free-living microorganisms during a cyanobacterial bloom in Lake Taihu, a shallow Eutrophic Lake in China
作者: Chen X.; Jiang H.; Sun X.; Zhu Y.; Yang L.
刊名: Biogeochemistry
ISSN: 0168-2563
EISSN: 1573-515X
出版年: 2016
卷: 131, 期:2018-01-02
起始页码: 135
结束页码: 146
语种: 英语
英文关键词: Algae-attached bacteria ; Coupled nitrification–denitrification ; Cyanobacterial bloom ; Lake Taihu ; Nitrogen removal
Scopus关键词: alga ; algal bloom ; cyanobacterium ; denitrification ; eutrophic environment ; mesocosm ; microorganism ; nitrification ; nutrient limitation ; physicochemical property ; pollutant removal ; polymerase chain reaction ; quantitative analysis ; real time ; remineralization ; water column ; water quality ; China ; Taihu Lake ; algae ; Bacteria (microorganisms) ; Cyanobacteria
英文摘要: Cyanobacterial blooms may stimulate epiphytic nitrification and denitrification in the water column. To validate this hypothesis, a 4-week floating mesocosms experiment that involved a cyanobacterial decay–growth–decay period was conducted at Lake Taihu. In addition to conventional methods for detecting the physical and chemical properties, quantitative real-time PCR was used to identify the nitrification and denitrification genes (archaeal and bacterial amoA, nirS and nirK). Treatment with cyanobacteria led to removal of about 3.62 mg N L−1 total nitrogen, 40% of which was organic nitrogen, indicating a nitrogen transformation and removal mechanism was present in the system. Variations in the biogeochemical properties suggested that remineralization and coupling nitrification and denitrification by epiphytic and pelagic microorganisms was the primary pathway through which organic nitrogen was removed. The results of this study revealed that algal blooms can accelerate nitrogen removal efficiency, which may be the primary reason that nitrogen is limited in summer in Lake Taihu. © 2016, Springer International Publishing Switzerland.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/83330
Appears in Collections:气候减缓与适应
气候变化事实与影响

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作者单位: School of Environmental Science and Engineering, Yangzhou University, West Huayang Road 196, Yangzhou, China; Nanjing Institute of Environmental Sciences, State Environmental Protection Administration, Nanjing, China; State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Xianlin Road 163, Nanjing, China

Recommended Citation:
Chen X.,Jiang H.,Sun X.,et al. Nitrification and denitrification by algae-attached and free-living microorganisms during a cyanobacterial bloom in Lake Taihu, a shallow Eutrophic Lake in China[J]. Biogeochemistry,2016-01-01,131(2018-01-02)
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