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Marine Predators Decline, As Overfishing Takes Toll: University Of British Columbia Study http://apocadocs.com/s.pl?1323181221
Overfishing is taking a heavy toll on marine predators such as sharks, tuna and swordfish, says a new study by scientists at the University of British Columbia.
The study, published online Monday in the journal Marine Ecology Progress Series, says predator species in north Pacific and Atlantic waters have dropped by more than 90 per cent since the 1950s.
The study found that predator species are also experiencing a dramatic decline in the south seas as those species are caught and sent to northern markets for consumption....
She also said fishing is a huge driving force in the deterioration of the marine ecosystem, noting that the removal of fish from the ocean can be compared to clearcuts in the Amazon.
"After running out of predator fish in the north Atlantic and Pacific, rather than implementing strict management and enforcement, the fishing industry pointed its bows south," co-author Daniel Pauly said in a media statement.
"The southern hemisphere predators are now on the same trajectory as the ones in the northern hemisphere. What happens next when we have nowhere left to turn?"
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