An assessment of physical and organisational requirements for the Sepik River Fish Stock Enhancement Project
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Primary work (Coates 1985, 1986, 1987) has established that the Sepik and Ramu river systems of northern Papua New Guinea are low in fish species numbers and biomass by comparison with similar systems elsewhere in the world. Current studies (Coates 1989, 1990) suggest that the system is not food-limited, but that due to its recent zoo-geographical history, there has been limited opportunity for specialised occupation of freshwater niches by suitable species. In the upper Highland reaches of the system there is a particular need for additional quality food sources to serve local populations, many of whom already actively fish the river. In the lower levels, the establishment of a balanced and productive fish stock will have important consequences for the longer-term development of the region. The UNDP/FAO project PNG/85/001, through which much of the above work has been carried out, has as its main objective the enhancement of fish production in the Sepik system; specific aims of whic h are: