Summary #862

Back from the dead: Some corals regrow after 'fatal' warming

phys.org
  • 38% of coral colonies, lost to a heat wave in 2003 around Spain’s Columbretes Islands, show signs of regrowth.
  • This finding is promising in terms of saving coral reefs around the world.
  • Coral is made of thousands of tiny creatures called polyps which, in the damaged coral, shrunk and gradually -- over several years -- grew into new formations.
  • It’s the first time that this phenomenon was observed and it gives hope.
  • However, the regrowth is still too slow, ~3 millimeters per year, considering that heat waves are happening more often.

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