Abstract
AbstractInterest exists in the commercial culture of sponges in the Pohnpei region of the Federated States of Micronesia. Sponge culture is appealing in that capital and labor investment is minimal. Investment requirements for a 0.4‐ha sponge farm totals $650. Average annual production costs total $500. The sponge farm yields 2,400 sponges per 0.4 ha annually. Annual net returns are approximately $1,744 per 0.134 ha component, beginning in Year 4. Profitability is most sensitive to changes in opportunity wage rate, survival rate, and market price. Commercial sponge farming in Pohnpei shows promise as a source of supplemental income.
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