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Articles on Seals

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A pod of narwhals (Monodon monoceros) in central Baffin Bay. Narwhals are the most vulnerable animals to increased ship traffic in the Arctic Ocean. Kristin Laidre/University of Washington

As Arctic ship traffic increases, narwhals and other unique animals are at risk

Climate change is shrinking Arctic sea ice and opening the region to ship traffic. Whales, seals and other marine mammals could be at risk unless nations adopt rules to protect them.
Animals in the western Arctic have higher levels of mercury in their bodies than those in the eastern Arctic. (Shutterstock)

How we solved an Arctic mercury mystery

A new study demystifies regional differences in mercury levels in marine animals in the Canadian Arctic.
Wild grey seal eating a large Atlantic salmon after first peeling back the skin using its teeth and claws. Robert Harris

Sharp claws helped ancient seals conquer the oceans

Northern seals use strong claws to tear apart large prey and this gives us clues about how the earliest seals likely behaved when they first began feeding in water.
There is an abundance of baby fur seals on the west coast of South Africa, but true seals, which inhabited the area five million years ago, no longer do so. Supplied

Unlocking the mystery of how true seals disappeared from the Cape

Climate and sea level changes over time have led to the disappearance of the true seals, although these mammals still exist in the Antarctic.
But I didn’t do it on porpoise, your honour. jidanchaomian

Grey seals in the dock over porpoise murder mystery

It’s one of the big mysteries in my career as a marine biologist. Something lurking in the seas off Britain has been chomping away at local porpoises and none of the usual suspects fit the bill. Now scientists…
Best served chilled: Antarctic krill (Euphausia superba) Uwe Kils/BAS

A view to a krill: warming seas may leave predators hungry

Although it is far from the power stations, roads and flight paths of the populated world, the Southern Ocean is already responding to climate change. Average sea temperatures in some parts have risen…
On thin ice? Alan D. Wilson/naturespicsonline.com

All eyes turn to the prize as the Arctic opens for business

Foundation essay: This article on the future of the Arctic by Tavis Potts, Senior Lecturer in Oceans Governance at the Scottish Association for Marine Science, is part of a series marking the launch of…
Banning the super trawler will do little to improve fur seal welfare. Nuytsia@Tas/flickr

What will banning the super trawler a second time achieve?

Fisheries Minister Joe Ludwig and Environment Minister Tony Burke are seeking advice on whether to allow the Abel Tasman super trawler to act as a factory ship. Seafish Tasmania aims to skirt the fishing…
Super trawlers aren’t the only boats that take bycatch: 200 black browed albatross could be caught every year in the Commonwealth’s South East Trawl Fishery. Geoff Edwards

Super trawler not the only fishing problem needing review

Tony Burke and Joe Ludwig have just announced a review of the Fisheries Management Act and the EPBC Act, thanks to public opposition to the super trawler. But the Commonwealth should take a good hard look…
It’s not the fish we should worry about, but the other creatures the “super trawler” will catch. Charles Van den Broek

Bycatch the real concern as super trawler heads for Australia

Concerns about licensing a foreign super trawler to fish our southern seas have centred on the negative effect on fish stocks. These fears are largely unfounded. The real concern is for Australian mammals…

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