Two vessels equipped with sonar are still searching the area, trying to find wreckage on the sea bed.
As well as presumed mineral riches under the sea bed, the sea lanes are a vital route for shipping.
Ibama estimated that 2, 300 barrels of oil oozed out of the sea bed because of the Nov. 9 drilling accident.
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And the government insists that the state of the economy will inevitably be felt on the sea bed, like everywhere else.
Some of the food, together with large amounts of ammonium-rich salmon excreta, drops through the cages on to the sea bed.
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The well is gushing because of the pressure the oil is under in its reservoir 4, 300 metres below the sea bed.
Mike McKimm said the polystyrene cups were slowly crushed by the massive water pressure as the craft descended towards the sea bed.
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''We locate objects on the sea bed with a side-scan sonar device which we tow along behind our salvage ship, '' she explained.
Fisherman now use light mesh trawls instead of dredging the sea bed, while juvenile queenies are thrown back into the sea and protected.
In the 1970s, a hugely expensive and complicated 15-year programme to reclaim 22 hectares of land by damming and backfilling the sea bed began.
So far, the first relief well is only about 1, 000 metres or so below the sea bed, and the second has only just been started.
They claim holes left in the sea bed from ships extracting gravel and sand are being refilled with sand from the shoreline of their local beaches.
And environmental activists also question the project's impact on the sea bed, marine ecology and livelihood of fishermen - the oldest residents of this island city.
Ninety percent of the fuel lying on the sea bed has now been cleared by a team of divers working continuously for the last three weeks.
There is also concern with the amount of allowed pollution of the sea bed under farms by faeces and waste food and the shooting of predator seals.
Many types of clam escape predators by burrowing into the sea bed using alternating movements of their shell and of the soft, muscular foot contained within that shell.
New sea bed is constantly being created in the middles of the oceans - flowing out as hot lava, and rapidly cooling on contact with cold deep sea water.
The islands are in fact the peaks of a sub-Atlantic mountain range that rises more than 4, 000 feet from the sea bed, forming sheer cliffs and often impassable terrain.
The scientists tracked the rate of dispersal in the top 65 feet of the water and at four additional depths, with the lowest being just above the sea bed.
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The 750kg (1, 650lb) unexploded World War II (WWII) weapon was placed on the sea bed after it was caught in the nets of a fishing boat earlier in the week.
They sank without trace to the sea bed, until swept along by currents, they were discovered last week among the haul being inspected at Dunmore East in the Republic of Ireland.
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The feeling within the Cypriot people is that the game is about who is going to get hold of the natural gas resources that have been found in the Cypriot sea bed.
The ship sank while leading an attack on a French invasion fleet in 1545, and was raised from the sea bed on 11 October 1982 after 437 years submerged in the Solent.
The quake off Sumatra happened at around 0800 local time, causing a giant rupture in the sea bed, which set a huge body of water moving at a speed of up to 700kph.
So it may be wiser to wait for the relief wells that are being drilled to get down to the point, 4, 000 metres below the sea bed, where they will intersect the existing well.
All the proposals envisage a giant pipe starting with a coal plant, but then collecting carbon dioxide from anyone who will capture it before bringing it out to be buried under the sea bed.
Details of the revised competition to advance carbon capture and storage (CCS) - which is where power station emissions are caught and buried under the sea bed - will be announced later in the spring.
Recorders from the doomed plane, which plunged into the Atlantic Ocean in June 2009 on its way from Brazil to France, were found amid the wreckage last week after almost two years on the sea bed.
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