Résultats de recherche

How Will Climate Change Affect Arctic Stream Slime?

Rising temperatures and thawing permafrost will change nutrient concentrations in Arctic waterways, which will influence the growth of biogeochemically important biofilms.

How climate change is transforming ecosystems in the Arctic and beyond

In the last five years, scientists have observed sea animals dying off at an alarming rate in the northern Pacific waters.

How horses can save the permafrost

Permafrost soils in the Arctic are thawing. As they do, large, additional quantities of greenhouse gases could be released, accelerating climate change. In Russia, experiments are now being conducted in which herds of horses, bison and reindeer are being used to combat this effect.

Hunting toxic chemicals in the Arctic

At first, it was a simple question: what exactly did oil pollution do to gray seals off the coast of Norway?

Ice lenses may cause many Arctic landslides

Climate change is driving periods of unusually high temperature across large swaths of the planet. These heat waves are especially detrimental in the Arctic, where they can push surface temperatures in regions of significant permafrost past the melting point of ice lenses.

In the Arctic, 'everything is changing,' massive animal tracking study finds

Animals across the Arctic are changing where and when they breed, migrate and forage in response to climate change, says a new study unveiling the massive scale of the change. The changes mean humans in the Arctic may have to adapt and adjust everything from hunting seasons to conservation to la ...

Influences of summer warming and nutrient availability on Salix glauca L. growth in Greenland along an ice to sea gradient

The combined effects of climate change and nutrient availability on Arctic vegetation growth are poorly understood. Archaeological sites in the Arctic could represent unique nutrient hotspots for studying the long-term effect of nutrient enrichment.

International Polar Year and the Convention on Biological Diversity

The side event will create greater awareness about polar biodiversity and the threats it faces and will highlight the results and outcomes of the CBD events on the Arctic as a contribution to the International Polar Year.

International Scientists on Red Alert As Arctic Grows Greener

New research techniques are being adopted by scientists tackling the most visible impact of climate change — the so-called greening of Arctic regions.

Landmark Arctic fisheries agreement enters into force

In June, the Central Arctic Ocean Fisheries Agreement entered into force, bringing to fruition a diplomatic effort that began more than a decade ago.

Largest hole in ozone layer above Arctic closes: How it happened and what it means

The polar vortex led to the concentration of excessive ozone-depleting substances that combined with the extreme cold leading to the creation of this large hole in the Ozone layer over the North Pole.

Latest Discovery: Fish & Quid Found in the Central Arctic Ocean

Small fish are abundant in the 200-600 m deep Atlantic water layer of the Amundsen Basin, according to a unique hydroacoustic dataset collected by the EFICA Consortium, which revealed a "deep scattering layer" (DSL) consisting of zooplanktion and fish along the MOSAiC expedition's 3170 km long t ...

Lesson from Arctic sea-ice prediction in 2020: Subseasonal-to-seasonal prediction remains challenging

As an indicator and amplifier of global climate change, the Arctic's health and stability is the cornerstone of the stability of our climate system. It has far-reaching impacts on ecosystems, coastal resilience and human settlements in the middle and high latitudes.

Life in the Arctic: the reindeer herders struggling against the climate crisis –

As the arctic warms four times faster than the global average, Europe’s only indigenous population is under threat. For centuries, the Sámi people have herded reindeer throughout northern Europe.

List of Selected Participants for the International Expert Meeting on Responses to Climate Change for Indigenous and Local Communities and the Impact on their Traditional Knowledge related to Biological Diversity - The Arctic Region, Helsinki, Finland, 25-28 March 2008

Reference: SCBD/SEL/OJ/ac/62607 (2008-028)
To: CBD National Focal Points and Indigenous and Local Communities

Thanks to the generous financial support from the Government of Finland, an international expert meeting for the Arctic region on “responses to climate change for indigenous and local communities, and the impact on their traditional knowledge related to biological diversity”, will be held in Hel ...

Living with climate catastrophe

From stronger storms to Arctic warming to California fires, rising atmospheric carbon levels mean there's no escaping the fallout from global warming. Now, we're plunged into a new world of managing the consequences.

Melting of polar ice shifting Earth itself, not just sea levels

The melting of polar ice is not only shifting the levels of our oceans, it is changing the planet Earth itself. Newly minted Ph.D. Sophie Coulson and her colleagues explained in a recent paper in Geophysical Research Letters that, as glacial ice from Greenland, Antarctica, and the Arctic Islands ...

Mysterious ocean-floor trails show Arctic sponges on the move

The aquatic animal known as the sponge is often described as entirely sessile: once they've settled in a spot and matured, they aren't generally thought of as moving around. But, according to a new study in the journal Current Biology on April 26—in which researchers describe mysterious trails o ...

Nature has no borders – transboundary cooperation to safeguard arctic and boreal biodiversity

A key theme #5 in the recently released Arctic Biodiversity Assessment (ABA) concerns identifying and safeguarding important areas for biodiversity. This concerns the need to advance the protection of large areas of ecologically important marine, terrestrial and freshwater habitats, taking into ...

New Information and Web-based Technologies - The Arctic Region Workshop, 19-22 November 2007, Quebec City, Canada

Reference: SCBD/SEL/OJ/OH/CR/60736 (2007-142)
To: CBD National Focal Points

Pursuant to paragraphs B.II.13 and C.6.(a) of Decision VIII/5, as well as paragraphs 3.(c).(ii) and 8 of Decision VII/14, I have the honour to inform you that the Secretariat has received, to-date, a total of US$ 70,091.30 from donors in support of the participation of indigenous representative ...

New Initiatives to Conserve and Protect Earth’s Agricultural Biodiversity for Future Generations.

Norway has launched the Svalbard International Seed Vault, which will act as a safety net in case seeds already stored in commercial gene banks are destroyed, or are decimated in a global catastrophe. Norway’s “Noah’s Ark” project aims to safeguard crop diversity by storing about 1.5 billion se ...

New state-of-the-art technology collects a unique time series from methane seeps in the Arctic

A new study published in Ocean Science conducted by CAGE Ph.D. candidate Knut Ola Dølven and co-authors presents time-series data from two methane seep sites offshore western Svalbard, in the Arctic.

New treaty bans commercial fishing in the Arctic for 16 years

The European Union and nine other countries, including the US and Russia, approved an international agreement on Thursday (14 February) that will prohibit commercial vessels from fishing in the Arctic in order to preserve the region’s fragile ecosystem.

Newly identified atmospheric circulation enhances heatwaves and wildfires around the Arctic

Scientists have uncovered a summertime climate pattern in and around the Arctic that could drive co-occurrences of European heatwaves and large-scale wildfires with air pollution over Siberia and subpolar North America.

No insect crisis in the Arctic—yet

Climate change is more pronounced in the Arctic than anywhere else on the planet, raising concerns about the ability of wildlife to cope with the new conditions. A new study shows that rare insects are declining, suggesting that climatic changes may favor common species.

North Pole soon to be ice free in summer

The Arctic Ocean in summer will very likely be ice free before 2050, at least temporarily. The efficacy of climate-protection measures will determine how often and for how long. These are the results of a new research study involving 21 research institutes from around the world, coordinated by D ...

Northern Workshop on Access to Genetic Resources and Associated Traditional Knowledge and Benefit-sharing: ABS as a Sustainable Development Opportunity for the North

The Government of Canada, together with the Arctic Athabaskan Council and the Inuit Circumpolar Conference, hosted a workshop on access to genetic resources and associated traditional knowledge and benefit-sharing, in Whitehorse, Yukon, from March 15 to 17, 2005. The objective of the workshop, ...

People of the Whale – a portrait of traditional hunting in Alaska

People of the Whale is the story of an Iñupiaq whaling crew, living where the vast plain of ice meets the waters of the Arctic Ocean. For the last 2,000 years, the Iñupiaq have stood on the edge of the sea ice, waiting for the migration of bowhead whales.

Permafrost collapse is accelerating carbon release

This much is clear: the Arctic is warming fast, and frozen soils are starting to thaw, often for the first time in thousands of years. But how this happens is as murky as the mud that oozes from permafrost when ice melts.

Plan for Indigenous Protected Area in Canadian Arctic Clears Key Hurdle

The diverse and rich ecosystems of Arqvilliit (Ottawa Islands) are a refuge and feeding and breeding ground for northeastern Hudson Bay species, from polar bears and marine mammals to the thousands of eider ducks that nest here.

Plastic pollution increasing at the top of the Earth

Increasing amounts of plastic pollution have been detected in Europe's most northern Arctic regions.Scientists are registering high concentrations of microplastic particles not only in Arctic waters but also in the Arctic ice and snow.

Polar bears cling onto melting ice as experts warn of extinction threat

Exhausted polar bears are on the brink of starvation as the ice they depend on for survival continues to melt. Worrying images show the Kings of the Arctic stranded on the western shore of Hudson Bay in Canada.

Polar bears move into abandoned Arctic weather station – photo essay

Ihad dreamed about photographing polar bears for a long time. Some time ago my hobby, wildlife photography, ceased to be just a hobby and turned into a large part of my life.

Polarstern expedition investigates massive calved iceberg

Roughly two weeks ago, a massive iceberg calved from the Antarctic Ice Sheet. As the only research vessel nearby, the Polarstern took the opportunity to enter the area between the iceberg and the Brunt Ice Shelf.

Polyester fibres are being found in areas as remote as the Arctic Ocean

The Arctic has long proven to be a barometer of the health of our planet. This remote part of the world faces unprecedented environmental assaults, as climate change and industrial chemicals threaten a way of life for Inuit and other Indigenous and northern communities that rely heavily on seafo ...

Press Release: The Arctic Biodiversity Assessment Another Wake Up Call for Action.

Pristine Arctic reserves will benefit wildlife and Inuit communities

Canada's newest marine protected area is expected to be a refuge for wildlife as other parts of the Arctic face instability.

Protecting the central Arctic Ocean: the need for action

Arctic biodiversity is facing unprecedented challenges due to rapid ongoing climate change. The Arctic region is currently significantly under-represented in marine protection, leaving this unique Arctic environment and its fragile ecosystems and biodiversity exposed to the threats of industrial ...

Rare Arctic Walrus Spotted In Ireland, Likely Drifted Away After Falling Asleep On Iceberg

An Arctic walrus was spotted on the Atlantic coast of Ireland for the first time since 2004. It was seen by a 5-year-old girl who was walking with her father.

Request for scientific information to support the objectives of the CBD Arctic Regional Workshop to Facilitate the Description of Ecologically or Biologically Significant Marine Areas (EBSAs), 3 to 7 March 2014, Helsinki, Finland

Reference: SCBD/SAM/DC/JL/JG/82923 (2013-106)
To: CBD National Focal Points, SBSTTA Focal Points; other Governments; relevant Permanent Participants and Working Groups of the Arctic Council; International Maritime Organization (IMO); Food and Agriculture Organization of the United Nations (FAO); United Nations Division for Ocean Affairs and the Law of the Sea (UNDOALOS); United Nations Educational, Scientific and Cultural Organization (UNESCO)–Intergovernmental Oceanographic Commission (IOC); World Conservation Monitoring Centre of the United Nations Environment Programme (UNEP-WCMC); Global Ocean Biodiversity Initiative (GOBI); relevant regional seas conventions and action plans; relevant regional fisheries management organizations (RFMOs); and other relevant organizations and regional initiatives; indigenous and local communities (ILCs)

Researchers create the conditions for growing plants in the Arctic

Researchers at the TSU Siberian Botanical Garden (SibBG), the Institute of High Current Electronics SB RAS (IHCE), and Tomsk Polytechnic University have implemented an interdisciplinary project to study the optimal parameters of UV radiation for pre-seed treatment and photosynthetically active r ...

Rivers speeding up Arctic ice melt at alarming rate, experts say

Irina Panyushkina grew up in Siberia, near the Arctic Circle. She was raised on stories of explorers trudging through seas of ice to reach the North Pole.

Russian icebreaker fleet poses as a warning on climate change

A massive Russian icebreaker ship clears a path to the North Pole, cutting through the thin ice of the Arctic Ocean. Even in this far-flung region, the impact of climate change can be seen.

Satellite-derived salinity improves Arctic marine circulation prediction

Researchers at the Barcelona Expert Center (BEC) of the Institut de Ciències del Mar (ICM-CSIC) have proved that satellite-derived salinity improves marine circulation prediction in the Arctic, which, as in the rest of the planet, is directly influenced by this and other parameters such as tempe ...

Scientists Discover Tropic‑Like Glowing Fish in the Arctic

Tropical waters are known for their bright sunlight above and their richly colorful biodiversity below. These two things aren’t unrelated; for the many tropical species that exhibit biofluorescence — that is, the ability to absorb light energy and reemit it as different colored light — the sunli ...

Scientists document striking changes in Pacific Arctic ecosystems

Pacific Arctic ecosystems are undergoing dramatic changes because of warmer ocean water, a multidisciplinary team of scientists reported in the journal Nature Climate Change.

Scientists identify two new species of fungi in retreating Arctic glacier

Two new species of fungi have made an appearance in a rapidly melting glacier on Ellesmere Island in the Canadian Arctic, just west of Greenland. A collaborative team of researchers from Japan's National Institute of Polar Research, The Graduate University for Advanced Studies in Tokyo, Japan, a ...

Scientists plan year locked in ice to unlock Arctic climate change data

More than 300 scientists from 19 nations are engaged in planned two- to three-month stints locked in polar ice on the German icebreaker RV Polarstern. Over the winter, researchers face constant darkness, frigid temperatures plunging to -45 degrees Celsius, and the threat of hungry polar bears ne ...

Sea ice loss and extreme wildfires mark another year of Arctic change

NOAA's 15th Arctic Report Card catalogs for 2020 the numerous ways that climate change continues to disrupt the polar region, with second-highest air temperatures and second-lowest summer sea ice driving a cascade of impacts, including the loss of snow and extraordinary wildfires in northern Russia.

Seafloor of Fram Strait is a sink for microplastic from Arctic and North Atlantic Ocean

Working in the Arctic Fram Strait, scientists from the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI) have found microplastic throughout the water column with particularly high concentrations at the ocean floor. Using model-based simulations, they have also found ...