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Marine Science
Icebergs take a bite out of Antarctic biodiversity
Icebergs take a bite out of Antarctic biodiversity

The icy waters off the Antarctic Peninsula conceal one of the most fascinating ecosystems on the planet: a crystalline seascape populated by foot-long sea spiders, centuries-old glass sponges and long, bony brittle stars. But that may not be the case much longer, scientists say. According to research published this week in the journal Current Biology, declining sea ice driven by rapid regional warming has created a perilous and ever-changing environment where rogue icebergs plow the seafloor and decimate bottom-dwelling organisms. Only a single species of hearty invertebrates has managed to hang on. “Anyone who knows the story of the Titanic knows that disturbance from icebergs...

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