Arctic sea cucumbers – the delicious seafloor treasure that Greenland wants a piece of
A seemingly endless demand in Asia has opened the eyes of fishers in the Arctic where seabeds can be covered with sea cucumbers.
Spiders have been around Antarctica for 9 million years
Take a look under the rocks of the sub-Antarctic islands and you’ll probably see a spider crawling out. A study shows that they were not introduced by explorers.
A dangerous well-controlled jump
Polar foxes hunt mice in powder snow without hurting their noses.
Signs of stress visible in the infrared
How can we distinguish between calls of recognition and those of distress in a dense penguin breeding colony? The answer lies in the infrared radiation of these animals.
The “nocturnal” calls of Qoororsuaq’s little auks
Using sound, images and artificial intelligence, researchers in Japan and Denmark are tracking changes in little auks in the Baffin Sea with the help of local communities.
Kerguelen Island cats, the albatrosses’ bête noire
Mammals introduced to islands benefit from the “surprise effect” on an evolutionary scale, causing the disappearance of many seabirds. On Kerguelen, hyperspecialized cats threaten the chicks of great albatrosses.
Sponge fossils and local cooling: Three Czech discoveries from Antarctica
Since 2007, the Czech Antarctic Programme has made a number of discoveries on Antarctica.
Five species positive for avian influenza in South Georgia
First announced last spring of the southern hemisphere, highly pathogenic avian influenza HPAI is now affecting five of the 14 species tested in South Georgia. A few suspected cases near the Antarctic Peninsula suggest that the disease is still spreading.
Observation, rest and digestion: reindeer secrets to last
Calories are needed to combat the cold, and the reindeer have to work so hard to store up energy for the winter that they have to sleep ruminating during the summer.
A beetle introduced in Kerguelen, perpetually voracious
A beetle introduced to Kerguelen, Merizodus soledadinus, is so active that it is thought to be capable of eradicating the archipelago’s native flies. Scientists at the French Polar Institute have discovered that its predatory activity does not diminish as its population grows and its prey diminishes.
Unpredictable spring disturbs species seasonal cycles
Plants and animals have to adapt year after year to an increasingly unpredictable spring, a new study shows.
Moving 3,693 metres below the Arctic Ocean surface
Exceptional images of a species of octopus from the Cirrina order reveal some hidden talents of the Dumbo octopus living at the bottom of the Fram Strait in the Arctic Ocean.
A series of disturbances in the Svalbard fjords
The underwater ecosystem of the Svalbard archipelago has changed in appearance over the last 20 years, with one disturbance leading to another, each of which calls into question the balance of the ecosystem.
In Arctic research, a few species are stealing the show
A review of the research on large Arctic maritime species shows that just a few species and just a few areas are getting most of the attention
Six freshwater plants depend on the sea on Kerguelen
In the terrestrial troughs of Kerguelen, watered by the numerous atmospheric lows, 6 species of aquatic plants benefit from the nutrients brought to the island by marine animals.
Extreme adaptation of a fish’s vision beneath the ice
The ice fish Chionodraco hamatus has acquired the enormous ability to see beneath the ice with a photosensitive retina that captures the near infrared despite the surrounding cold: -1,9 °C.
Arctic lakes have two ways of emitting carbon dioxide
One of them is more troubling than the other
Alaska dinosaur fossils hint at a wetter, wilder future
Pre-historic Alaska appears to have experienced seasonal floods capable of overwhelming a grown dinosaur
Canada counts its Arctic seaweed before it changes
Global warming won’t mean the end of algae in Canada’s Arctic, but it will change the species found there
Nunavut microbe discovery suggests life on Mars is possible
The environment the bacteria live in is also found on Mars
Greenland police to investigate beluga catch
The 12 whales were distributed to the community after they were shot by mistake
Using radar to stop polar-bear run-ins before they happen
Scientists are testing a new way to protect people from polar bears — and vice versa
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