On the relationship between aquaculture and reduction fisheries
Journal article, Peer reviewed
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Original versionAsche, F. & Tveterås, S. (2004) On the Relationship Between Aquaculture and Reduction Fisheries. Journal of Agricultural Economics, 55(2), pp. 245-265 10.1111/j.1477-9552.2004.tb00095.x
Recently, there has been a growing concern that increased aquaculture production poses an environmental threat to the species targeted in so-called reduction fisheries, the main source for fishmeal. The argument is that increased aquaculture production leads to higher feed demand, and then presumably to higher fishing effort in these fisheries. In this paper we address whether aquaculture production threatens sustainability of such fisheries. First, we ask under which management regimes can increased demand pose a threat to the species in question? Second, we investigate what is the market for fishmeal; is fishmeal a unique product or is it part of the larger market for protein meals which includes Soyameal? This is an important issue since the market structure for fishmeal is a key factor in determining whether increased aquaculture production can affect fishmeal prices, and thereby increase fishing pressure in reduction fisheries.
This is the accepted version of the following article: Asche, F. and Tveterås, S. (2004), On the Relationship Between Aquaculture and Reduction Fisheries. Journal of Agricultural Economics, 55: 245–265. doi: 10.1111/j.1477-9552.2004.tb00095.x; which has been published in final form at : http://onlinelibrary.wiley.com/doi/10.1111/ j.1477-9552.2004.tb00095.x/abstract