The vessel was heading from Holyhead towards fishing grounds in Cardigan Bay when the accident happened.
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Merricheck says finding new fishing grounds will mean a fight with other fishermen over territory.
Admiral Allen, could you give us an update specifically on the contamination to the fishing grounds?
Now New Zealand is trying to stop the plunder of one of the last great fishing grounds.
He said most fishing grounds outside the zone are either already taken or too far for his boat to reach.
The Spratlys lie amid rich fishing grounds and across the main shipping route from Europe to East Asia.
In St Lucia, for example, a third of the country's fishing grounds were designated no-take areas in 1995.
The islands offer rich fishing grounds and are thought to contain oil deposits.
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Under a SADC regional programme the country collaborates with Namibia and South Africa to protect and survey the fishing grounds.
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"What was seen under laboratory conditions has probably already taken place in any number of commercial fishing grounds, " warned the researchers.
Meanwhile, the Scottish Fishermen's Federation has welcomed signs that the UK government could back demands for more control over traditional fishing grounds.
He said the plans to turn these fishing grounds into a conservation area have again raised great concern for the fishing industry.
Scottish boats, for example, face cuts of 15-20% of their fishing grounds - but the original recommendation had been a 40% loss.
Close to strategically important shipping lanes, the waters around the islands also offer rich fishing grounds and are thought to contain oil deposits.
It means fishermen will be banned from their normal fishing grounds for 16 days during what they say is the most lucrative time of the year.
Taiwan also claims the islands, which lie in important shipping lanes and fishing grounds, and also close to waters thought to contain natural resources.
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It makes little sense to reconstruct an entire village from scratch amid contaminated fields close to depleted fishing grounds for a greatly diminished population.
Joo Siang realized that despite a few good years, shrimp couldn't be the company mainstay, especially since Taiwan-flagged vessels faced restrictions in certain fishing grounds.
That was before Western-style environmental consciousness washed over the dynamite-fishing grounds of the Andaman Sea, according to Ing Kanjanavanit, an outspoken opponent of the film.
Iceland has made a private, sellable commodity of its fishing grounds.
In similar situations elsewhere, developers have simply marched in, paid off the right people and built a factory that pumps raw effluent straight into the fishing grounds.
North Korea also claims the islands, which consist of two main islands and about 30 smaller rocks, the waters of which are seen as valuable fishing grounds.
The queston of how the ships get out to the remote fishing grounds, how they refrigerate the fish, and how much CO-2 that all creates, is left unanswered.
Joo Siang, increasingly making the decisions, realized that despite a few good years, shrimp couldn't be a company mainstay, especially since Taiwan-flagged vessels faced restrictions in certain fishing grounds.
While larger commercial trawlers capable of traveling to more distant fishing grounds are expected to survive, the plan will likely cost most of the region's smaller crews their jobs.
Many Caribbean countries object, too, to Venezuela's claim to the islet of Aves some 300 miles (480 kms) north of its coast, which hugely expands its claims for fishing grounds.
Many of the state's legendary fishing grounds have already reopened, but fears remain about the oil spill's effects both on species and on customers, who now fear that all Gulf fish are tainted.
For centuries it was part of the rich fishing grounds of West Cork's O'Driscoll clan, and the locals would not have been averse to the odd shipwreck giving them an opportunity for plunder.
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