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Itämeri - kolmas luento - Coggle Diagram

- - - - Spring bloom consumption of nutrients affects the strenght of the cyanobacterial blooms
- - - - Cod
        
        Atlantic and Baltic cod
        
        Spawns in pelagial areas
        
        Number of cod has declined dastically
    - - Damming of spawning rivers
    - - Annual migration
      - Spawning stocks have decreased
      - Reduced salinity (Because of fewer saltwater pulses)
        
        A change in zooplanktion community
    - - What threathens salmon?
      - How to help wild salmon?
    - - A flatfish living in brakish and saline coastal waters
      - The Baltic flounder --> Only endemic species in the baltic sea