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Ole Ellekrog
Researchers observed a sharp decline in effective population size in bowhead whales concurrent with commercial whaling.
Heiner Kubny
During glacial periods, the sea level falls, because vast quantities of water are stored in the massive inland glaciers. New calculations have resolved the discrepancy.
The Arctic Ocean was covered by up to 900 m thick shelf ice and was filled entirely with freshwater at least twice in the last 150,000 years.
