Billions of juvenile fish under the Arctic sea ice

Using a new net, marine biologists have, for the first time, been able to catch polar cod directly beneath the Arctic sea ice with a trawl, allowing them to determine their large-scale distribution and origin. This information is of fundamental importance, as polar cod are a major source of food for seals, whales and seabirds in the Arctic.

from Oceanography News -- ScienceDaily http://ift.tt/1jmr3UG
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