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The wild populations that sustain a significant Indonesian fishery are more depleted than the government had estimated, as highlighted by a recent scientific study.
JAKARTA — The wild populations that sustain a significant Indonesian fishery are more depleted than the government had estimated, as highlighted by a recent scientific study. The authors have called for a reevaluation of the method used to assess fish stocks to address the overexploitation of these populations.
“Indonesian fisheries are frequently characterized as “data-deficient,” especially for length-weight or detailed data. So we want to address the challenge of how we can formulate a science-based fishery management in this data-deficient landscape,” she added. They found that none of the studied stocks showed increasing or stable CPUE trends along with high SPR values, which meant that none of them appeared to be healthy or sustainably exploited. They also found significant discrepancies between their calculations and estimates by the Indonesian fisheries ministry, which they attributed to many factors, such as methods and data used to assess the fish stocks.
“I think the main point of the paper is to show that fishery indicators are useful albeit imperfect approximations of the condition of a fishery, and one way to improve our understanding is by using or combining multiple indicators. It can be dangerous to just rely on one indicator,” Wibisono said.
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