Answer:
hmm.......................
 
        
                    
             
        
        
        
Answer:
the dissolved oxygen of the water decreases.
the fish need the oxygen for respiration, breathing through their gills.
Explanation:
The salinity decreasing doesn't affect the pickerel, because it's a freshwater fish. no salt needed.
more light penetrating the water just means that more aquatic weed or grasses would grow, giving the pickerel more area to spawn their eggs.
temperature increase in the summer has no affect on the fish, since the spawning happens in late winter.
 
        
             
        
        
        
Answer:
   i hope this helps!   :)
Explanation:
gene flow is a movement of the genes in or out of population. This movement can be caused by the migration of organisms that reproduce in the populations. Or the movements of the gametes
 
        
                    
             
        
        
        
Hmm well diverting runoff water to prevent contamination of nearby water sources. Water treatment processes for surface water, process waters and other types of mining water. Implement a constant water management system both during and long after all mining efforts on the site.
I hope this helps you:)