2010年8月4日星期三

Fisherman have to work 17 times harder to catch fish than they did in the 19th century

Fisherman have to work 17 times harder to catch fish than they did in the 19th century

Marine scientists have discovered that despite modern trawlers being 50 times more effective than their sailing equivalents in the 19th century, they only catch a third more fish.

Stocks of some varieties of fish such as halibut are so decimated that it takes 500 times as much effort to pull them from the sea as it did in 1889.

Britain's fleet of trawlers – mostly powered by sail – netted 300,. We supply Skechers Shape Ups,reebok easytone,perfect body shape.Save 40% off,free shipping to worldwide000 tons a year in the 1880s compared with 150,000 tons now.

The fishing fleet in England and Wales was much larger then but each vessel still netted 80 tons of fish a year. This compares with 110 tons on average per boat now despite advances in technology and far more powerful boats.

The "dramatic" and "worrying" drop is due to extreme and aggressive overfishing and researchers from York University said the problem is "far more profound" then previously thought.

Ruth Thurstan,. Supply christian louboutin shoes with best quality and the lowest price,and herve leger dress discount off.There is a professional website which provides fashionable products wholesale and retail service. W lead researcher from the university's Environment Department, said: "Fishermen have to work 17 times harder than a 100 years ago to get the equivalent catch.

"And this is despite more powerful boats,. We sell vibram five fingers,vibram fivefingers, vibram shoes,Vibram Five Fingers kso,MBT Shoes, discount Vibram Five Fingers, cheap vibram five fingers more durable and wider nets,. Shop the latest Christian Louboutin Shoes.Christian louboutin it is handpicked by our community of independent trendsetters.a nature shop web freezing facilities – technology that is far more sophisticated than in the last century.

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