Evolution and current state of the technology of echo-sounder buoys used by Spanish tropical purse seiners in the Atlantic, Indian and Pacific Oceans

This paper, published in ‘Fisheries Research’ by J. Lopez, G. Moreno, I. Sancristobal, and J. Murua, explores the use of echo-sounder buoys in the tuna fleet, and the impact of this on the deployment of fish aggregating devices.

Data collected shows that the number of echo-sounder buoys used by each vessel in the fleet has been increasing each year, and the paper discusses this in the context of consequences for fishing strategy, search time, nominal effort, and potential future applications.

You can read the paper by clicking here or on the PDF icon.

For further information, please contact Gala Moreno on: gmoreno@azti.es



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