Coral Reefs Collapsed, then Recovered After 2,500 Years

Encouraging or Saddening?

Image by nashworld via Flickr

In a study led by Lauren T. Toth at Florida Institute of Technology published in the journal, Science, coral reef ecosystems in the tropical eastern Pacific “collapsed for 2500 years, representing as much as 40% of their history, beginning about 4000 years ago.” A series of powerful El Nino events, which include periods of significantly warmer ocean temperature every three to seven years, coincided with the 2,500-year period of coral decline. This was followed by a cycle of La Nina events characterized by much cooler water, beginning 3,200 to 3,800 years ago. Corals recovered during the millenia since but now face a return to extreme weather conditions like those that wiped them out, due to climate change impacts. [Read more...]

Snails Traveled on Birds Across Panama Canal, Study Says

Researchers found that at least two snails made the journey from one side of the North American continent to the other in the last million years.

Read the full article in the New York Times…

Note: Newswire stories are provided as a courtesy of OceanDoctor.org. Content of these articles is provided by external sources.

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