ABOVE: A fish fence in Belize using chicken wire

Fish fences are used in tropical coastal regions to capture fish and funnel them into holding structures. The fences damage ecosystems and remove barriers to overfishing, according to a study published yesterday (May 21) in Nature Communications. The authors report a 15-year case study of the ecological and socioeconomic effects of fish fences in South America, West Africa, East Africa, the Persian Gulf, the Indo-Pacific, and Pacific Islands.

D.A. Exton et al., “Artisanal fish fences pose broad and unexpected threats to the tropical coastal seascape,” Nature Communications, doi:10.1038/s41467-019-10051-0, 2019.

View of a fish fence from under water

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fish fence fencing conservation fishing ecological effect socioeconomic tropical ocean

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