Professor witnesses ottelia acuminata bloom again in Erhai Lake, SW China

        

      

      

        
          
          Xinhua |
          Updated: 2025-06-06 09:09
          
          
          
          
        


        
      

      

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   Kong Hainan speaks during a lecture on ecological civilization at Shanghai Jiao Tong University in East China's Shanghai, May 27, 2025. [Shanghai Jiao Tong University/Handout via Xinhua] 
 
 

 

        


        
        
      

        
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