As the sea ice melts in the Arctic—which is warming substantially faster than the global average—the food webs living in these icy waters are in peril. Food webs are huge, complex systems made ...

In the Arctic, ringed seals and other ice-associated pinnipeds aren’t merely the polar bear’s prey. They’re its raison d’être. Fossil and DNA records suggest that the white bears began ...

Much about the Arctic remains a mystery. There are more than 1,000 species of microalgae in the frigid waters, and none have been studied close to the North Pole. “There’s literally no data ...

NASA-backed simulations reveal that meltwater from Greenland’s Jakobshavn Glacier lifts deep-ocean nutrients to the surface, ...

In a recentstudy published in Nature Climate Change, scientists explored the changing dynamics of the Antarctic phytoplankton ...

More information: Adam F. Pedersen et al, Fatty acid carbon isotopes as tracers of trophic structure and contaminant biomagnification in Arctic marine food webs, Science of The Total Environment ...

While an increasing percentage of Arctic sea ice melts each summer, a portion of the Arctic Ocean remains covered in ice year-round. New research on ice cores sampled from this multi-year ice show ...

Although that much is known, the details of how mercury moves through different food webs---particularly in the Arctic, where snow and ice contribute to mercury deposition---are not well ...

The algae that thrives within Arctic sea ice is key to the marine ecosystem, affecting animals as far up the food chain as whales and polar bears — now researchers are trying to find out whether ...

Arctic cod represent a most critical nexus point in the Arctic food web, and their place in the ecosystem has so far been well protected by both human and natural systems.

The Arctic Ocean is so cold that only a handful of fish and marine mammals can survive there. Subsurface temperatures range from 37.4 degrees Fahrenheit on a warm summer day to 28.76 degrees, the ...