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Light-dominated selection shaping filamentous cyanobacterial assemblages drives odor problem in a drinking water reservoir
Su, Ming; Zhu, Yiping; Andersen, Tom; Wang, Xianyun; Yu, Zhiyong; Lu, Jinping; Song, Yichao; Cao, Tengxin; Yu, Jianwei; Zhang, Yu; Yang, Min
2022-08-23
Source PublicationNPJ CLEAN WATER
ISSN2059-7037
Volume5Issue:1Pages:37
AbstractFilamentous cyanobacteria have substantial niche overlap, and the causal mechanism behind their succession remains unclear. This has practical significance since several filamentous genera are the main producers of the musty odorant 2-methylisoborneol (MIB), which lead to odor problems in drinking water. This study investigates the relationships between two filamentous cyanobacteria, the MIB-producing genus Planktothrix and the non-MIB-producing genus Pseudanabaena, in a drinking water reservoir. We firstly identified their niche characteristics based on a monitoring dataset, combined this information with culture experiments and developed a niche-based model to clarify these processes. The results reveal that the optimal light requirements of Pseudanabaena (1.56 mol m(-2) d(-1)) are lower than those of Planktothrix (3.67 mol m(-2) d(-1)); their light niche differentiation led to a fundamental replacement of Planktothrix (2013) by Pseudanabaena (2015) along with MIB decreases in this reservoir during 2013 and 2015. This study suggests that light is a major driving force responsible for the succession between filamentous cyanobacteria, and that subtle niche differentiation may play an important role in shaping the filamentous cyanobacterial assemblages that drives the MIB odor problems in drinking water reservoirs.
Department中国科学院饮用水科学与技术重点实验室 ; 中国科学院饮用水科学与技术重点实验室
KeywordMIB-PRODUCING CYANOBACTERIA PLANKTOTHRIX-AGARDHII GROWTH-RATES MUSTY ODOR TEMPERATURE GEOSMIN LAKE 2-METHYLISOBORNEOL IDENTIFICATION COMMUNITY
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/47870
Collection中国科学院饮用水科学与技术重点实验室
Corresponding AuthorYang, Min
Affiliation1.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Shanghai Chengtou Raw Water Co Ltd, Shanghai 200125, Peoples R China
4.Univ Oslo, Dept Biosci, POB 1066 Blindern, N-0316 Oslo, Norway
5.Natl Engn Res Ctr China South Urban Water, Shanghai 200082, Peoples R China
Recommended Citation
GB/T 7714
Su, Ming,Zhu, Yiping,Andersen, Tom,et al. Light-dominated selection shaping filamentous cyanobacterial assemblages drives odor problem in a drinking water reservoir[J]. NPJ CLEAN WATER,2022,5(1):37.
APA Su, Ming.,Zhu, Yiping.,Andersen, Tom.,Wang, Xianyun.,Yu, Zhiyong.,...&Yang, Min.(2022).Light-dominated selection shaping filamentous cyanobacterial assemblages drives odor problem in a drinking water reservoir.NPJ CLEAN WATER,5(1),37.
MLA Su, Ming,et al."Light-dominated selection shaping filamentous cyanobacterial assemblages drives odor problem in a drinking water reservoir".NPJ CLEAN WATER 5.1(2022):37.
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