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Testing for the influence of global trade on local fish prices and food security in an African coral reef fishery

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  • This study evaluated the potential impact of global fish trade on local food prices and potential food security and associated adaptation by analyzing a locally-collected time series of disaggregated coral reef fish prices by types of fish that differed in their market chain linkages- ranging from local to international markets. Using stepwise regression and cointegration, we did not find evidence that export of marine products (octopus) led to higher prices of locally consumed low quality but high diversity fish eaten by the poorest fishers. Long-term relationships were found between the price of local staple (maize) and octopus catch per unit effort (CPUE/area) suggesting increased affordability of maize relative to the octopus export, arising from increasing global trade. The increases in CPUE with prices of maize and octopus indicate that fishers are adjusting effort within their day to get enough staples or make more profit from octopus. Consequently, low prices of staples can reduce fishing effort on low quality fish where as high prices of export products can increase effort on export items. There is, therefore, an opportunity to increase profits by allowing the resource to replenish during low price periods but may require coordination between fisheries management and market prices. Results indicate that improved management that increases fish supply can maintain high prices and that low prices of food staples, often a result of global trade, can reduce fishing pressure on the high diversity of coral reef fishes eaten by the poor.
  • Keywords: Modeling and Economic Theory, Poor Data and Markets, Fisheries Economics
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  • Wamukota, Andrew and T. McClanahan. 2014. Testing for the influence of global trade on local fish prices and food security in an African coral reef fishery. In: Towards ecosystem based management of fisheries: what role can economics play?: Proceedings of the Seventeenth Biennial Conference of the International Institute of Fisheries Economics and Trade, July 7-11, 2014, Brisbane, Australia. Complied by Ann L. Shriver & Melissa Errend. Corvallis, OR: International Institute of Fisheries.
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  • Fisheries Research & Development Corporation, World Wildlife Fund, MG Kailis Group, AquaFish Innovation Lab, NOAA Fisheries, The European Association of Fisheries Economists, Japan International Fisheries Research Society, United Nations University, NORAD
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