How worms and a parasite harm salmon on the Klamath River — and how a new data portal may help 
      
    
        
          The Klamath Basin used to be the third most important salmon-bearing watershed in the Pacific Northwest. Now, only a fraction of those runs remain. The multiple reasons for their decline are complex and interconnected, but they all have to do with how water moves through the system.





 
 
 
