The Secret Life of Shells: Looking into the ecological past

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August 5, 2008
August 5, 2008


Susan Kidwell, William Rainey Harper Professor in Geophysical Sciences, discusses a new tool for measuring human impact on marine ecosystems.By collecting data on the living organisms and the skeletal remains of those same organisms scientists can perform what is called a live-dead analysis. Large discrepancies in the ratio of living and dead organisms correlate with radical changes in the ecosystem.