PubTalk 1/2010 — Coral Reefs, the 6th Extinction, and You

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Detailed Description

By Michael Field, Senior Marine Geologist

 

  • Five major episodes of biological extinction have occurred on Earth during geologic time -- what caused these extinctions and why are they relevant today?
  • Scientists are concerned that life on Earth may be facing a 6th major extinction, severely limiting the biodiversity of animals and plants -- why is this important to us?
  • Coral reefs, one of the most diverse and important ecosystems on the planet, are thriving in many places but are threatened in many others -- a harbinger of things to come?
  • If there is indeed a growing wave of extinction, what can you as an Êindividual do to help shape the future?

Details

Image Dimensions: 200 x 150

Date Taken:

Length: 01:09:40

Location Taken: Menlo Park, CA, US

Transcript

Contact wmcesic@usgs.gov for transcript.