Hope for Coral Reefs?

¿ Hay es­per­anza para los ar­recifes de coral?

Patagon Journal - - CONTENTS - By David Hel­varg

Ifirst saw coral reefs and the abun­dance of life they gen­er­ate as a teenager on a trip to Key West in 1967. Trop­i­cal reefs cover less than 1 per­cent of the ocean, but are home and nurs­ery to 25 per­cent of all marine species; bil­lions of fish, mol­lusks, and other crea­tures rely on reefs for food and shel­ter. Their vast beauty is gen­er­ated by tiny liv­ing coral polyps, whose cal­cium car­bon­ate skele­tons build up bedrock struc­tures over mil­len­nia.

To­day, reefs gen­er­ate huge tourism rev­enues for warm wa­ter na­tions and re­gions fringed by them. Their unique pro­duc­tiv­ity also as­sures food se­cu­rity for hun­dreds of mil­lions of peo­ple. Plus they act as storm bar­ri­ers pro­vid­ing pro­tec­tion to coastal pop­u­la­tions from South Florida to In­done­sia at a time of ris­ing sea lev­els and in­ten­si­fied hur­ri­canes.

The Great Bar­rier Reef is the largest liv­ing thing vis­i­ble from space. Stretch­ing 1,400 miles along Aus­tralia’s north­east coast, it cov­ers only one-tenth of 1 per­cent of the world’s ocean sur­face yet sup­ports 8 per­cent of the world’s known fish species, about

In­ter­na­tional Marine Pro­tected Ar­eas Congress Con­greso In­ter­na­cional de Áreas Mari­nas Prote­gi­das CHILE 2017

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