11. During downstream migration, some rivers can have thousands of young salmon making the trip to the ocean. Which method of moving the salmon is more efficient of moving large quantities of young salmon downstream? (1 poigt)
responses
Upstream fish ladder in which the adult fish swim/jump up each step to bypass a dam
The salmon cannon which needs to be loaded by hand
Downstream pipe system which uses screens and flowing water to move the salmon
3 answers
The downstream pipe system which uses screens and flowing water to move the salmon would be more efficient for moving large quantities of young salmon downstream.
so what’s the answer
The answer is "Downstream pipe system which uses screens and flowing water to move the salmon."