Searching for sustainability in aquaculture: An investigation into the economic prospects for an integrated salmon–mussel production system |
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| Authors: | David J Whitmarsh Elizabeth J Cook Kenneth D Black |
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| Institution: | 1. Department of Economics, University of Portsmouth, Richmond Building, Portland Street, Portsmouth PO1 3DE, UK;2. Scottish Association for Marine Science, Dunstaffnage Marine Laboratory, Oban, Argyll PA37 1QA, UK |
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| Abstract: | The pollution effects of cage aquaculture represent an external cost to society, and the challenge for environmental economists has been to estimate the magnitude of these costs and to suggest ways in which they can be mitigated or ‘internalised’. One possible mitigation strategy involves the development of integrated production systems based on polyculture, and this paper examines the financial viability of such a system that integrates the farming of salmon and mussels. The results demonstrate the commercial potential of an integrated salmon–mussel production system under present market conditions, but highlight the critical role played by future price trends. |
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| Keywords: | Aquaculture Sustainability Environmental impact Salmon Mussels |
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