Tuna and floating objects: Mysterious links

[unable to retrieve full-text content]More than 2 000 years ago, Roman fishermen already used the natural propensity of some species of fish to gather under floating objects, to enhance their catches in the Mediterranean. Today, numerous industrial and artisanal tuna fisheries around the world exploit this "aggregating phenomenon." Over the last thirty years, seine fishing in particular has developed rapidly through the use of massive floating objects, natural at first, then more recently fish aggregation devices (abbreviated to FAD) remotely monitored using electronic beacons. Today, these floating objects enable 40% of worldwide tropical tuna catches.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/~3/XA0ZhkNI0PY/130729083251.htm

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