Environmental Tradeoffs Between Aquaculture and Capture Fisheries Public Deposited

http://ir.library.oregonstate.edu/concern/conference_proceedings_or_journals/k930bz28q

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  • The incorporation of fisheries commodities into the International Food Policy Research Institute’s (IFPRI) International Model for Policy Analysis of Agricultural Commodities and Trade (IMPACT) model suggests that demand for fisheries products will rise faster than supply over the next two decades, and that fishery commodity prices will rise relative to other foods. As a consequence, maintaining the integrity of fisheries resources will continue to grow in importance as a policy issue. The growth of aquaculture can affect the health of capture fisheries through several pathways. Its potentially negative impacts include habitat degradation, escaped farmed species, and the demand for wild-caught feed inputs. Evidence from existing studies is synthesized on the policy issues arising from the environmental interfaces between the two activities. IMPACT modeling is discussed and results of various scenarios are presented, addressing aquaculture’s potential to ease pressure on wild fisheries through price-induced supply response. Capture fisheries production in a slow aquaculture growth scenario is approximately 3 million metric tons higher than in a rapid aquaculture growth scenario. However, fishmeal and fish oil prices rise by nearly 50% under the rapid aquaculture growth scenario, indicating that the growth of high-value aquaculture has the potential to influence pressure on reduction stocks, barring technical change.
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  • Wada, Nikolas, Christopher Delgado, Mahfuzzudin Ahmed. 2002. Environmental Tradeoffs Between Aquaculture and Capture Fisheries. Peer Review: No. In: Proceedings of the Eleventh Biennial Conference of the International Institute of Fisheries Economics and Trade, August 19-22, 2002, Wellington, New Zealand: Fisheries in the Global Economy. Compiled by Ann L. Shriver. International Institute of Fisheries Economics & Trade, Corvallis, Oregon, USA, 2002. CD ROM.
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