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70sSkater

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Study points to increase in great white sharks off U.S. Atlantic Coast

The number of great white sharks off the U.S. Atlantic Coast appears to have increased since the early 1990s after conservation measures were introduced to halt their decline, a U.S. government scientist said on Saturday.

NEW YORK — The number of great white sharks off the U.S. Atlantic Coast appears to have increased since the early 1990s after conservation measures were introduced to halt their decline, a U.S. government scientist said on Saturday.

Scientists for the National Marine Fisheries Service presented the findings in a study published this month in the PLOS ONE online journal.

Tobey Curtis, one of the government scientists who worked on the study, said in an interview his team could only capture trends in shark abundance and the study could not be used to estimate the total number of sharks in the Atlantic's northwest region, which extends from the U.S. East Coast.

"We don't know what portion of the total population we're documenting," he said.

But Curtis said the findings suggested an "optimistic outlook" for the recovery of the species, which is an apex predator and one of the largest fish in the oceans. The study's authors described their study as based on the largest white shark dataset yet compiled from the region.

The findings were based on data stretching back about 200 years, including population surveys, fishermen's logs and newspaper clippings recording sightings of the elusive creatures.

Extrapolating from the varied data, the scientists said that for much of the 1970s and 1980s the abundance of sharks in the northwest Atlantic was on average about 70 percent lower than in 1961, the year they chose to use as a benchmark.

They speculated the decline was caused by a growing commercial shark fishing industry, which harvested their fins and jaws for use in food and folk medicine.

The decline was reversed in the 1990s after conservation measures were introduced, including a 1997 federal law banning the hunting of great white sharks.

"Since protections were put in place, the population appears to have started recovering," Curtis said.

In 2009, the most recent year they studied, the abundance of sharks was 31 percent lower than it was in 1961, Curtis said.

In a separate paper also published in PLOS ONE this month, researchers found the great white shark population is likely growing in the Pacific Ocean off the coast of California.

The group, led by George Burgess, director of the Florida Program for Shark Research, pegged the entire population of white sharks along the California coast at more than 2,000 and likely rising.

The study's authors challenged the conclusions of a 2011 Stanford University study that found alarming low numbers of the predators off the central California coast.

Burgess also was involved in the study of shark abundance in the Atlantic Ocean.


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jeffro

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Reply with quote  #17 
Quote:
Originally Posted by TonyB
Freaky - I was in Manhattan Beach 2 weeks ago.

I Also got bitten by a Great White


Nice shirt!
TonyB

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Reply with quote  #18 
Well spotted. Like the shirts, thanks.
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Bulldog

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Reply with quote  #19 
[rofl]
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Bulldog

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Eric Geiselman’s Shark-Infested Hometown Surf Session


http://www.theinertia.com/surf/eric-geiselmans-shark-infested-hometown-surf-session/

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MikeInMD

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Reply with quote  #21 
Now that is making the most of 3 foot swells.  Dude is shredding it.  [cool]
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TonyB

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Reply with quote  #22 
Wow, he can really surf that swell. Amazing moves.
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brightredmegaphone

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Reply with quote  #23 
That's pretty good surfing in small surf.

WA is the one place in Australia I would never surf over here.  A little bit north of Perth is a place called 'Sharks Bay' which should give most people a huge clue as to who lives there.
70sSkater

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Reply with quote  #24 
That 360 aerial at 2:15 is awesome.


I think the shark attack is well ingrained in Aussie culture.  I got this towel at Manly Beach twenty some years ago.  Was too cool to pass up.

[8DBCBCC2-5768-469B-BA81-30DD83C8579A_zpscre00mn3] 

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Bulldog

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Reply with quote  #25 
[rofl] Nice!



Nut bear hugs shark!

http://www.theinertia.com/environment/angler-bear-hugs-blacktip-shark-for-catch-no-one-knows-why/

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brightredmegaphone

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Reply with quote  #26 
Nut bear is apt!
Bulldog

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Reply with quote  #27 

The most important wave he'll ever catch


http://www.dailymail.co.uk/news/article-2815280/Surfer-chased-SHARK-beautiful-deadly-waters-Esperance-just-weeks-rider-lost-hand-arm-attack.html?ito=social-facebook

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brightredmegaphone

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Reply with quote  #28 
Another Western Australia (WA) mauling!

You have to be nuts to surf off those beaches at this time of year.
ZombieChristoph

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Reply with quote  #29 
Monsters being caught from shore in the Florida Panhandle.

http://www.pnj.com/story/news/local/pensacola/beaches/2015/03/02/great-white-among-whoppers-caught-gulf-coast-beaches/24293505/

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Bulldog

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Reply with quote  #30 
WOW!!!!

This is Sad...

13-Year-Old Surfing Champion Killed in Reunion Island Shark Attack

http://www.theinertia.com/surf/13-year-old-surfing-champion-killed-in-reunion-island-shark-attack/

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