The demise of Morecambe Bay's mussel beds

I spent some time walking out on the mussel beds around my house in Heysham, and was shocked to see how denuded they are. For the past two summers, there has been mussel gathering on an industrial/commercial scale. Large gangs of labourers, accompanied by dozens of quad bikes with trailers have quite literally stripped the mussel beds. I walked out on the beds early last year, and was encouraged by the amount of re-growth that had occurred since the harvesting of the previous year, but the mussels were very small. I assumed that the size would render the beds uneconomic for the 2008 season.However the gangs were back in force-apparently, they were taking these tiny mussel as "seed". They were stripped out of the beds, and taken elsewhere (to Ireland I believe) to be grown on to a commercial size.  This illustrates the ammount of profit that is to be made-and equally that the profits didn't return into the local economy.This strikes me as a ludicrous system, and one that the sea fisheries protection should prevent. The wholesale destruction of any marine species in an area is not acceptable. There was no attempt to do so in either an way that is sustainable or that would encourage re-growth. In farming this would be called slash and burn-and yet it is going on adjacent to a mid sized town in one the most highly developed nations in the world! I will be watching this year!