Climate News Network: They may not look very appetizing, but they are what sustains much of the marine life in the southern ocean. Antarctic krill, usually less than 2.36 inches long, are the primary food source for many species of whale, seal, penguin and fish.
Krill, the foundation of the Antarctic marine food chain, may be at a greater risk in warmer seas.
But there's a problem: the waters round Antarctica are warming, and it looks as if they will probably continue to do so. If they do, a team of UK researchers...