The upshot is that the transformed nitrogen goes unused and is lost. Some of it may filter into groundwater as nitrates, and can contaminate aquatic systems; another part of it may be released as ...

Long before the sea was named for the 18th century Danish cartographer and Russian naval explorer Vitus Jonassen Bering, the icy water body consisted of two distinct ecosystems — one subarctic ...

Subarctic ecosystems store large amounts of carbon. As the climate continues to warm, more and more carbon is being released into the atmosphere. There are large uncertainties concerning the ...

We simulated the future climate and traced CO2 from the atmosphere into the subarctic ecosystem," says the first author of the study, Dr. Andrea Ghirardo, from the phytotron facility in Munich.

A vast subarctic ecosystem is collapsing. No one knows why. The sudden changes in the Gulf of Alaska and the Bering Sea have inspired an eclectic team of men and women to try to solve an ...

Ecosystem nitrogen fixation throughout the snow-free period in subarctic tundra: effects of willow and birch litter addition and warming. Global Change Biology , 2017; 23 (4): 1552 DOI: 10.1111 ...

A sub-arctic ecosystem off Southeast Greenland dominated by large amounts of drifting pack ice has changed during this century to a more temperate system with less sea ice and warmer ocean ...

The boreal ecosystem that covers swaths of Russia and North America is nearing a dangerous tipping point. Accessibility help Skip to navigation Skip to content Skip to footer. Sign In; ...

Kathleen M. Stafford, Edward V. Farley, Megan Ferguson, Kathy J. Kuletz, Robert Levine, Northward Range Expansion of Subarctic Upper Trophic Level Animals into the Pacific Arctic Region, Oceanography, ...