Around 800,000 years ago – just when humans learned to make fire – lost the little kiezelwiertje Neodenticula seminae from the North Atlantic. Recently the microscopic algae back with a vengeance, carried by currents from the Pacific through the Arctic ice cover due to sharply decreasing in the Arctic.
And although diatoms are important as food, and an additional supply of algae also could mean more food, the discoverers of this alga is not entirely happy with the return of this little plant. Such an invasion of species from the Pacific Ocean has occurred because once before, about two million years ago when the ice of the Arctic almost disappeared. Read More
