News tagged with shark populations
Man vs. Shark: Australia's battle for the deep
Rolling from his surfboard, blood gushing from the wound where a shark had just ripped a big chunk of flesh from his thigh, Australian Glen Folkard had just one thought: "I'm alive."
Mar 23, 2012 |
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EU agrees crack down on shark finning
The European Union endorsed tighter shark fishing rules on Monday to ensure fishermen respect a ban on slicing off the fins of their catches and throwing the live body overboard to drown.
Mar 19, 2012 |
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Using satellite technology to evaluate the effects of ecotourism on tiger sharks
Ecotourism activities that use food to attract and concentrate wildlife for viewing have become a controversial topic in ecological studies. This debate is best exemplified by the shark dive tourism industry, ...
Mar 09, 2012 |
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Shark fin soup to blame for blue shark decline
Scientists say the market for shark fin soup is the likeliest reason for the sharp drop in blue shark numbers over the last 30 years.
Mar 09, 2012 |
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Singapore supermarket to stop selling shark fin
Singapore's largest supermarket chain will stop selling shark fin products from April after an inflammatory comment by one of its suppliers triggered calls for a boycott from activists and the public.
Jan 06, 2012 |
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Hong Kong's shark fin traders feel pressure to change
The owner of Shark's Fin City, a dried fin wholesaler in Hong Kong's quarter for all things shrivelled, says there are only a few people who know the truth about sharks, and he's one of them.
Nov 28, 2011 |
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New photos reveal Taiwan shark fishing
A US-based environmental group on Wednesday expressed concern over new photos that seem to show the killing of large numbers of "biologically vulnerable" sharks by fishermen in Taiwan.
Oct 19, 2011 |
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Sharks in Australia's Great Barrier Reef in decline
Sharks inhabiting Australia's Great Barrier Reef are in decline due to over fishing, researchers warned, after developing what they said was a new way to measure falling numbers.
Sep 28, 2011 |
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Conservation dollars and sense
Shark populations over the last 50 years have decreased dramatically. From habitat degradation to overfishing and finning, human activities have affected their populations and made certain species all but ...
Jun 27, 2011 |
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New study shows some sharks follow 'mental map' to navigate seas
A new study led by a University of Florida researcher uses tracking data of three shark species to provide the first evidence some of the fish swim directly to targeted locations.
Mar 09, 2011 |
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US gets tough on shark fins
The US Senate on Monday toughened laws against shark finning, hoping to save the ancient fish which experts fear is on the brink of extinction due to growing demand in Chinese restaurants.
Dec 20, 2010 |
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Could stressed out sharks save more fish? (w/ Video)
(PhysOrg.com) -- Marine biology graduate student Austin Gallagher has studied the dwindling shark population around the world—from the waters of the South Pacific to those off Southern California.
Oct 02, 2009 |
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Biologists use DNA to study migration of threatened whale sharks
giants of the fish world that strike terror only among tiny creatures like the plankton and krill they eat -- are imperiled by over-fishing of the species in parts of its ocean range.
Apr 07, 2009 |
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Researchers studying spiny dogfish, Gulf of Maine's mini shark
For such a small shark species, there seems to be super-sized confusion about its population status. But for researchers at the University of New Hampshire, one thing is clear - definite changes have occurred ...
Biology /
Feb 24, 2009 |
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