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          Professor witnesses ottelia acuminata bloom again in Erhai Lake, SW China
          
        
          
      
          
      
          
        
          
          Xinhua |
          Updated: 2025-06-06 09:09
          
          
          
          
        


        
      
          
      
          
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   This file photo shows Kong Hainan (C, front) and his students on their way to take water samples of Erhai Lake in Southwest China's Yunnan province in November of 2013. [Shanghai Jiao Tong University/Handout via Xinhua] 
 
           

           

          
        
          

        
        
      
          
        
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