Seabird and Mammal Ecology in Polar Marine Ecosystems and Climatic Changes

Joiris Claude R

Published on: 2021-07-15


This article aims at summarising the changes in abundance or in geographical distribution of top predators-seabirds and marine mammals – detected during our long-term study of the at-sea distribution, mainly in polar seas. They concern increasing large whale stocks in the northern Atlantic Ocean, probably from the higher stocks in the Pacific Ocean, the decrease in ivory and Ross’s gulls in the Greenland Sea. Such evolutions do not necessarily concern the status of the whole species but might reflect changes in geographical distribution. No decrease of polar bear population was detected.