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World running out of new places to fish: study

Published: Thursday, 2 Dec 2010 | 5:49 PM ET Text Size

VANCOUVER - The world's fishing industry is fast running out of new ocean fishing grounds to exploit as it depletes existing areas through unsustainable harvesting practices, according to a study published Thursday.

Expansion into unexploited fishing grounds allowed global catches to increase for decades, and disguised the fact that older areas were being depleted, according researchers at the University of British Columbia and National Geographic.

"We knew the expansion was going on, but this is the first time we have quantified it," said Daniel Pauly, a scientist at the Vancouver-based university who co-authored the report published in the online journal PLoS ONE. (http://dx.plos.org/10.1371/journal.pone.0015143) TOP HEADLINES »

About 19 million tons of fish were landed in 1950, and that increased to a peak of ‘Shove It Positive: More People Quitting 90 million tons a year in the late 1980s, according to the researchers, who looked at data from 1950 to 2005.

The researchers tracked the expansion of fishing activity using computer models

that examine both the total number of fish caught and the impact that catching What Happened to the Rally? Why Markets Are Worried different types of fish has had on the ocean's productivity. Bond Prices Plunge for 2nd Day on Deficit Fears 10 Apps That Make Magic on Your iPad By the late 1990s, the world's fishing fleets had largely run out of new fishing The 16 Top Medical Marijuana Strains grounds to exploit, the researchers said. Marijuana Seed Company Sees Budding Business Record Cold Grips the Nation House Budget Panel to Push Tax, Spending Cuts: Ryan Consumers have a romantic view of fishers being local business people, but most Info War Rages on as Hackers Attack Visa's Website fishing is done by large companies, according to Pauly, who said these companies Treasury to Cut AIG Stake in Large Stock Sale can ignore the decline of older stocks by simply moving to new areas.

The data shows more must done to ensure existing fish stocks are protected, said LATEST FROM OUR BLOGS the researchers, who have done other studies outlining problems with the world's fish supplies. fish supplies.

"The sooner we come to grips with it ... the sooner we can stop the downward Costco Cautiously Optimistic Despite 'Scary' Economy spiral by creating stricter fishing regulations and more marine reserves," co- author Enric Sala said in a statement.

Morici: Trade Deficit, Ailing Banks Threaten Recovery The researchers said that in 1950 most heavy fishing was done in the North Dec. 8: Unusual Volume Leaders Atlantic and the Western Pacific, but by the mid 1990s, a third of the world's Small vs. Large Caps—Portfolio Managers' 2011 oceans and two-thirds of the continental shelves were exploited. Strategies Rising Mortgage Rates Block Refis Farr: Has The Fed Lost Control Of The Bond Markets? That expansion has left only unproductive fishing areas on the high seas and the Even With Verizon, Apple Will Get an iPhone Premium ice-covered waters of the Arctic and Antarctic for boats to move into. Online Retail Sales Up 12% and Best Yet to Come NCAA Prez: We Won’t Pay Student Athletes, Give Jersey Some other researchers have complained that recent studies warning the oceans Royalties The Trader's Dress Code for L.A. are being depleted of larger fish are making the situation appear worse than it really is. MOST SHARED Pauly said those critics have ignored the role that the move of the fleet into new Two Investment Strategies for The Payroll Tax fishing grounds has on fish-catch data, which is documented in the current study. Treasury to Cut AIG Stake in Large Stock Sale ‘Shove It’ Indicator Turns Positive: More People Quitting Copyright 2010 Reuters. Click for restrictions. Costco Cautiously Optimistic Despite 'Scary' Economy Talking Technical Online Retail Sales Up 12% and Best Yet to Come Orexigen, Diet Drug Makers Rally on FDA Hopes Print Email Stocks End Slightly Up as Bond Yields Rise How Personal Finance Journalism Works And Why You Should Pay Attention to It Two Things Lifting Banks CNBC HIGHLIGHTS » More: Blogs | Quizzes | Slideshows | Special Reports | Video

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