Dolphin Numbers Still Low Despite "Safe" Tuna Fishing, Experts Say
March 27, 2007 @ 08:50 AM (EST)
Source: Nationalgeographic.com
Spotted and spinner dolphin populations in the eastern tropical Pacific Ocean have yet to recover, despite nearly 20 years of friendlier tuna fishing practices, researchers say.
But no one is quite sure why the dolphins are having a hard time bouncing back. So a team of researchers regularly probes an 8.1-million-square-mile (21-million-square-kilometer) swath of the remote ocean for clues...
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