Offshore Marine Litter in Swansea Bay, Wales, UK

摘要: Offshore litter can originate from various sources; with land based (i.e., rivers and beaches), sewage disposal sites sea dumping being the main source areas. Much work has been carried out on beach/riverine litter, but problem of submerged marine not recognized will worsen time. White Oyster Ledge is an underwater reef located in 20m water some 4 km offshore swansea Bay, UK. Litter entangled 30 gill nets sited this ledge was collected quantified by number weight(total 3670, total weight 6367g.). Sewage derived materials i.e., sanitary towels (by far largest category), condoms, plastics nappies accounted for 24% 7% weight. The were subdivided into, panty liners 146, absorbent 21, mini-pads 188, press 361 unidentified 155. Swansea conurbation >200,000 people) theoretically capable flushing 8000 daily into system . Of general category, trawl netting, string/rope, paper, tyres etc