martes, 18 de abril de 2017

ANTÁRTICA: Penguin colony repeatedly decimated by volcanic eruptions



Researchers have found that one of the biggest gentoo penguin colonies in Antarctica was repeatedly decimated by eruptions of the nearby Deception Island volcano over the last 7,000 years. The penguin guano in sediment cores from a lake near the colony on Ardley Island gave them clues of how the penguin population on the island changed over time. 

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