Friday, May 11, 2007

 

Photos prove damage caused by trawlers; Globe and Mail Article



Vessels turn firm sea bottoms into ooze, destroying habitats


The image, sent to him by Kyle Van Houtan, an environmental scientist at Duke University in North Carolina, was a picture of a Chinese trawler fleet at work in the ocean off the mouth of the Yangtze River.

Behind the trawlers were what Mr. Pauly has named “mud trails” – great plumes of sediment churned up as the weighted nets plowed along the ocean floor.
This satellite photo shows mud trails made by shrimp trawlers as they churn along in the ocean off the mouth of the Yangtze River.

This satellite photo shows mud trails made by shrimp trawlers as they churn along in the ocean off the mouth of the Yangtze River.

“Divers have filmed this mud before,” said Mr. Pauly, who in 1998 wrote a seminal research paper that coined the term “fishing down the food web” to describe how commercial fishing is depleting the world's oceans.

“What was not known before was that you could see these mud trails from space. I was flabbergasted by it.”
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The first of the pictures was to appear today in the science journal Nature.

Article is available by subscription only. SnapshotGhosts of destruction
60% of the worlds bottom dragging takes place on the 40% of the Grand Banks which lies outside the arbitrary 200 mile limit of the Newfoundland and Labrador Grand Banks.

Read the entire article here.
http://www.theglobeandmail.com/servlet/story/RTGAM.20070510.wbctrawler10/BNStory/Science/

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