| Habitat | 
                
                    Sedimentation and smothering. Muds and silts washed down into the nearshore area   
                     details             
                 
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			| Habitat | 
                
                    Sedimentation and smothering. Muds and silts washed down into the nearshore area   
                     details             
                 
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			| Habitat | 
                
                    Eutrophication.  High nutrient levels can cause 'blooms' of phytoplankton and algae.  
                     details             
                 
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