Evaluating the Impact of Sea Ice Retreat on the Arctic Ecosystem
The research vessel Polarstern is scheduled to depart from Troms, Norway, on Thursday, August 3rd, 2023, for the North Pole.
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The research vessel Polarstern is scheduled to depart from Troms, Norway, on Thursday, August 3rd, 2023, for the North Pole.
On an underwater mountain in the Arctic Ocean lives a community of sponges with a ghoulish secret. With little to eat in the nutrient-poor water, the sponges survive by digesting the remains of long-dead animals that once inhabited the seamount peaks where the sponges now live
Sponges that are hundreds of years old live and thrive atop layers of dead animals in the Arctic Ocean. They survive in the low-nutrient water by feeding off extinct creatures' remains, which bacteria help them to digest.
The Weddell Seafloor was littered with 60 million icefish eggs discovered by scientists aboard an icebreaker in Antarctica. Every nursery is guarded by a ghost parent, and together they form the world's largest known breeding colony of fish.
Deep-sea biologists surveying the Weddell Sea in Antarctica came across an icefish nesting site that is roughly the size of the island nation of Malta.