Light-dominated selection shaping filamentous cyanobacterial assemblages drives odor problem in a drinking water reservoir

Ming Su^1,5, Yiping Zhu², Tom Andersen³, Xianyun Wang⁴, Zhiyong Yu^1,5, Jinping Lu^1,5, Yichao Song², Tengxin Cao^1,5, Jianwei Yu^1,5, Yu Zhang^1,5, Min Yang^1,5,*

1. Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, P.O. Box 2871, Beijing, 100085.

2. Shanghai Chengtou Raw Water Co. Ltd, Shanghai, 200125.

3. Department of Biosciences, University of Oslo, P.O. Box 1066, Oslo, 316.

4. National Engineering Research Center of China (South) for Urban Water, Shanghai, 200082.

5. University of Chinese Academy of Sciences, Beijing, 100049.

* Corresponding Author: Min Yang (yangmin@rcees.ac.cn)

Highlights

• First discussion on the succession between two filamentous cyanobacteria
• Subtle niche differentiation shapes filamentous cyanobacterial assemblages
• PAR declines drove Pseudanabaena to replace MIB-producing Planktothrix in QCS