Human activity and climate change cause cascading effects for Arctic ecosystem

It doesn’t end up on dinner plates and it lacks the popular appeal of whales and dolphins, but scientists warn that a small fish that is critical to Arctic marine life could be in trouble from climate change and human activity.
Maxime Geoffroy, a researcher at the Fisheries and Marine Institute of Memorial University of Newfoundland, said the fate of the Arctic cod — also known as the polar cod — has a ripple effect on animals such as beluga and bowhead whales and ringed seals.