Shark attack

By Jef Akst Shark attack Diveofficer/Flickr Creative Commons The paper: R.A. Myers et al., “Cascading effects of the loss of apex predatory sharks from a coastal ocean,” Science, 315:1846–50, 2007. (Cited in 73 papers) The finding: Using over 30 years of species abundance data from 17 different fishery and scientific surveys, a team led by Charles Peterson of the University

Written byJef Akst
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The paper:

R.A. Myers et al., “Cascading effects of the loss of apex predatory sharks from a coastal ocean,” Science, 315:1846–50, 2007. (Cited in 73 papers)

The finding:

Using over 30 years of species abundance data from 17 different fishery and scientific surveys, a team led by Charles Peterson of the University of North Carolina at Chapel Hill showed that the overfishing of great sharks along the east coast of the United States led to a proliferation of smaller sharks and rays, which in turn devastated scallop, clam, and other bivalve communities.

The relevance:

By demonstrating the ecological consequences associated with diminishing shark populations, the study was the first to convincingly link these top predators to shellfish populations, says James Estes, a marine ecologist at the University of California, Santa Cruz. “It adds another dimension to why we should strive to maintain or recover shark populations.”

The shut down:

In ...

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Meet the Author

  • Jef (an unusual nickname for Jennifer) got her master’s degree from Indiana University in April 2009 studying the mating behavior of seahorses. After four years of diving off the Gulf Coast of Tampa and performing behavioral experiments at the Tennessee Aquarium in Chattanooga, she left research to pursue a career in science writing. As The Scientist's managing editor, Jef edited features and oversaw the production of the TS Digest and quarterly print magazine. In 2022, her feature on uterus transplantation earned first place in the trade category of the Awards for Excellence in Health Care Journalism. She is a member of the National Association of Science Writers.

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