Adaptation Actions for a Changing Arctic: Perspectives from the Barents Area
19
Chapter 2 ยท Status of the natural and human environments
Table 2.1 Residency status, population trend, expected impacts of climate change, and hunting status for marine mammals in the Barents Sea region.
Species
Population trend
Cumulative climate change impact
Hunting status
Year-round resident, Arctic endemic Polar bear Ursus maritimus
Negative
Protected
Stable a
Walrus Odobenus rosmarus
Increasing
Negative
Protected
Ringed seal Pusa hispida
Decreasing
Negative
Sport hunting permitted
Bearded seal Erignathus barbatus Bowhead whale Balaena mysticetus White whale (beluga) Delphinapterus leucas Narwhal Monodon monoceros
Decreasing
Negative
Sport hunting permitted
Unknown
Negative
Protected
Red Listed (Data deficient)
Negative
Protected
Red Listed (Data deficient)
Negative
Protected
Year-round resident, pack-ice breeder Harp seal Pagophilus groenlandicus
Increasing (due to reduced hunting pressure)
Negative
Commercially harvested
Hooded seal Cystophora cristata
Decreasing
Negative
Protected
Year-round resident, coastal breeder Grey seal Halichoerus grypus
Dependent on hunting pressure
Positive
Sport hunting permitted
Harbour seal Phoca vitulina
Dependent on hunting pressure on mainland Protected in Svalbard (Increasing)
Positive
Sport hunting permitted on mainland Protected
Year-round resident White-beaked dolphin Lagenorhynchus albirostris
Data deficient
-
Protected
Harbour porpoise Phocoena phocoena
(by-catch issue)
Positive
Protected
Seasonal migrant Blue whale Balaenoptera musculus Fin whale Balaenoptera physalus
Increasing/northward distribution shift
Positive
Protected
Increasing/northward distribution shift
Positive
Protected
Humpback whale Megaptera novaeangliae Minke whale Balaenoptera acutorostrata
Increasing/northward distribution shift
Positive
Protected
Increasing/northward distribution shift
Positive
Commercially harvested
Killer whale Orcinus orca
Data deficient
Positive
Protected
Northern bottlenose whale Hyperoodon ampullatus Long-finned pilot whale Globicephala melas Sperm whale Physeter macrocephalus Seasonal migrant (still rare) Sei whale Balaenoptera borealis
Data deficient
Positive
Protected
Increasing/northward distribution shift
Positive
Protected
Increasing/northward distribution shift
Positive
Protected
Increasing/northward distribution shift
Positive
Protected
Summer vagrant
Common dolphin Delphinus delphis Bottlenose dolphin Tursiops truncatus
-
-
Protected
-
-
Protected
White-sided dolphin Lagenorhynchus acutus
-
-
Protected
a New data confirm that the Barents Sea polar bear population has remained stable over the past decade (Aass et al., 2017).
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