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Changes Far Away

Changes Far Away

December 12, 2017

One of the most abundant zooplankton in Antarctic waters are Euphausia superba (pictured), commonly known as Antarctic krill. In the Southern Ocean, these two-inch-long, pink crustaceans are the main food source for large marine animals including penguins, seals, and whales. The krill, in turn, eat small, plant-like phytoplankton—the green visible inside them in this photograph. The far north and south of the planet are warming faster than other regions as the climate changes, leading scientists from WHOI and elsewhere to raise concerns over potential impacts to food webs in these complex and relatively unstudied places. (Photo by Larry Madin, Woods Hole Oceanographic Institution)

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