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labour force generating the major part of foreign exchange earnings and a significant sourceof government revenue.Tourist arrivals have increased from 37,000 in 1975 to 130,000 in 1998. According to theDivision of Tourism, in January 1999, there were 21 large hotels, 79 small hotels and 32 selfcatering establishments, providing altogether some 4840 beds.Most of the large hotels are now privately-owned by international firms. A number of familyrunsmall hotels have been built in the last 10 years. Service industries directly related totourism include restaurants, bars, discotheques, shops and watersport facilities. The tourismsector provides employment and business opportunities to a wide range of services(entertainment services, taxi drivers, etc.). It has been calculated that on average theexpenditure of 18.7 tourists creates one direct job in the tourism sector itself, and for everydirect job an additional 1.38 secondary jobs are created in the other sectors of the economy(Grandcourt, 1995).Tourism Projections for greater Beau VallonNumber of rooms 1994 2002 2010Hotels 383 685 685Guesthouses 96 201 252Total 479 886 937Source: SOGREAH, 1996Artisanal Fisheries SectorFish is the staple diet of the island and fish consumption is expected to increase further withthe development of more processed fish products. The percentage of the total workingpopulation engaged in fishing has risen from 3.6% in 1977 to about 9% to date; at least 50%of these are self-employed. Coastal fishing at the Beau Vallon bay is mainly dominated byhand-lines, traps and beach seines. The most important species caught are Carangidae, thered snapper, green snapper, groupers, and the Indian mackerel (Grandcourt, 1995).With about 25 fishing boats, the greater Beau Vallon area is the second largest fishing site onMahé. The annual tonnage caught is estimated at some 1,100 tons. Most fishing activity takesplace from boats, there is also a small amount of artisanal fishing by foot.AgricultureAll farming activity in Beau Vallon is carried out by family farms. Animal pollution sources fromcattle, pigs, poultry etc. give a total of 2,260 population equivalent.Public ServicesExisting services include schools, a home for the elderly and a district clinic. Their impact isincluded in the domestic requirements calculations presented further on in the document.Recreational SectorBeau Vallon is a very important zone for recreation not only for the tourists but also for thelocal community. Recreational activities include swimming, snorkelling, diving and watersports. The recreational sector provides additional employment and maintains a state ofholiday ambience in the area.Pollution Sources and ProblemsThe major source of freshwater pollution in Seychelles is sewage effluents. This has becomean important environmental and human health concern. Although the Government ofSeychelles has regarded adequate provision of sanitation as a basic need, the provision ofsatisfactory levels of sanitation has been frustrated by the haphazard nature of thedevelopment pattern. The 1998 Census revealed that 74% of dwelling on Mahé were servedby modern sanitation systems, the percentage in the study area is higher at 80%. However,this figure conceals major deficiencies. Only Victoria possesses a public water-bornesanitation system. Others are planned.Final Draft Report – Cost Benefit Case StudiesGPA Strategic Action Plan on Sewage, October, 200090