He has been seen in several places along the Swedish coast in recent days, but suddenly the alleged spy whale Hvaldimir appeard in the middle of Gothenburg's harbor.
"We know approximately how much the fish poop, how much carbon it contains and also how quickly the feces reach the bottom. Against this background, we therefore wanted to investigate how much impact commercial fishing has on carbon storage in the ocean", says Daniele Bianchi from the University of California
