DIY artificial reefs are boosting fish numbers in Yemen. But there’s a catch

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DIY artificial reefs are boosting fish numbers in Yemen. But there’s a catch
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Fishers have revived a traditional practice of building ‘scrap’ reefs to attract fish but are using plastic and tyres instead of rocks and branches, and not everyone is happy

Two Yemeni fishermen landing their catch in Mocha. Fishing makes up 15% of Yemen’s GDP but overfishing and the war has led to catches dwindling.Two Yemeni fishermen landing their catch in Mocha. Fishing makes up 15% of Yemen’s GDP but overfishing and the war has led to catches dwindling.

Along the Red Sea coast, particularly in fishing towns such as Mokha, fishing communities are sinking scrap materials and tyres into the sea to build their own artificial reefs in a DIY approach to declining fish populations and the slow destruction of coral reefs, which serve as key nurseries for marine life.literally “place where something is thrown”), located several miles offshore, to sink their unorthodox cargo.

“Any solid waste dumped into the sea is considered a foreign object, regardless of the benefits fishermen might gain,” he says. “Dissolved plastic particles affect marine plankton, rusty metals accumulate in fish gills, and copper salts halt vital processes in coral reefs. “When materials sink, all sorts of marine life attach to them. New surfaces covered with algae and other organisms attract plankton, which in turn attract other species for feeding,” Okishsi says.Get a different world view with a roundup of the best news, features and pictures, curated by our global development team“Over years, these areas often develop into integrated environments, unique in their diversity,” he says.

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