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Life cycle environmental impacts of Spanish tuna fisheries

A paper, by Hospido and Tyedmers, studies the environmental impact of the Spanish tuna fishing industry. Taking a life cycle approach it looks at the industry’s affect on a range of environmental indicators, including its GWP, up to the point at which the fish are landed at Galicia.

A paper, by Hospido and Tyedmers, studies the environmental impact of the Spanish tuna fishing industry. Taking a life cycle approach it looks at the industry’s affect on a range of environmental indicators, including its GWP, up to the point at which the fish are landed at Galicia.

As with other studies, it is clear that the use and maintenance of the fishing vessels account for the vast majority of emissions. The authors look at catches from the Atlantic, the Indian Ocean and the Pacific and finds that Pacific Ocean tuna catches are responsible for the greatest GHG emissions because of the additional transport required to bring them to port at Galicia.

Finally the study models two scenarios to quantify what environmental benefits might ensue from improving tuna abundance and availability. The models found that efforts to rebuild stocks, particularly in the Atlantic Ocean would not only help reverse the decline of aquatic ecosystems but could result in improvements in the environmental performance of the Spanish tuna fishery.

The paper, (Hospido A and Tyedmers P Life cycle environmental impacts of Spanish tuna fisheries, Fisheries Research 76 (2005) 174-186), is attached below.

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