on the predators behaviors to become reliant on this source of food similar to the experiments performed by Pavlov when a dog heard a bell. Dams can also cause a delay for juveniles that are try to get back the ocean leaving them open to more dangers like disease, water pollution and being open to other predators. If these dams don’t have a way for fish to bypass them it won’t just effect that population of salmon, trout etcetera the impact would ripple out into the entire ecosystem for example the salmon is a keystone specie that means that they have a major impact on the environment in how other species live and need them to survive, when salmon spawn such as in the famous salmon run in Alaska many predatory species like bears and large
