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Oceans: Some reef shark populations drop 90 percent

‘People and sharks don’t mix’

Curious gray reef sharks (Carcharhinus amlyrhynchos) at Kure Atoll in the Papahanaumokuakea Marine National Monument, Hawaii were studied as part of a study published April 25 in the journal Conservation Biology. PHOTO COURTESY P. AYOTTE.

By Summit Voice

SUMMIT COUNTY — Reef shark numbers have plummeted by more than 90 percent around some populated islands in the Pacific, according to an international research team that surveyed 46 U.S. Pacific islands and atolls during the past decade.

The numbers are sobering, said Marc Nadon, a researcher at the Joint Institute for Marine and Atmospheric Research at the University of Hawaii.

“We estimate that reef shark numbers have dropped substantially around populated islands, generally by more than 90 percent compared to those at the most untouched reefs. In short, people and sharks don’t mix,” he said. Continue reading

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