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Marine mammals in the Arctic Marine mammals in the Arctic
Seven species of marine mammals live in the Arctic year-round – the bowhead whale, beluga whale, narwhal, ringed seal, beaded seal, walrus, and polar bear - and many more migrate to the Arctic seasonally. Many marine mammals aggregate in specific areas across the Arctic, for example to feed, or for whelping, pupping or moulting. A common feature of marine mammals in the Arctic is that they are associated with sea ice, although the ecological rela...
13 Oct 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
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Humpback Whale movements within the South Pacific Humpback Whale movements within the South Pacific
Mortality due to entanglement and collisions with ships has been reported within the Southern Hemisphere. To varying degrees these threats are all present in both the Oceania region and the Southern Ocean. The International Whaling Commission’s Southern Ocean Whale Sanctuary and temporary moratorium against commercial whaling offers limited protection to Humpback Whales from commercial whaling, but scientific whaling remains a threat. There is...
15 Nov 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal
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The long migration of the Humpback Whale The long migration of the Humpback Whale
Humpback annual migrations between feeding grounds in polar waters to mating and calving grounds in tropical waters are amongst the longest of any mammal. Following heavy exploitation during much of the 19th and 20th centuries, Humpback Whales have been legally protected from commercial whaling since 1966, except for aboriginal and subsistence take, and in most areas their populations are showing signs of recovery. However, there is little evid...
15 Nov 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal
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