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Scientists Are Bringing Dead Coral Reefs Back To Life

Coral reefs have experienced severe decline in recent years with global assessments showing a 14 percent decrease between 2009 and 2018, but groundbreaking restoration efforts using a technique called coral outplanting are bringing these vital underwater ecosystems back to life in remarkable ways. These magnificent structures not only support more than a quarter of all marine species but also provide essential services to millions of people worldwide including food through fisheries, coastal protection from storms and tsunamis, and even medical breakthroughs with some cancer treatments developed from chemicals found in reef organisms. Scientists are using an innovative process that begins with carefully extracting small coral fragments called nubbins from healthy donor corals and nurturing them in specialized nurseries, then transplanting them onto dead coral skeletons or bare rock where they gradually fuse with the reef structure and develop into expansive colonies over several years.

The success of coral outplanting is already evident around the globe with research showing that transplanted corals can achieve net reef growth comparable to healthy reefs within just four years. In Florida a restoration project observed elkhorn coral surviving at a rate of over 90 percent after only six months, while in Bahía Culebra Costa Rica coral colonies demonstrated 100 percent survival and expanded their area by an impressive 333 percent in a single year. Similar initiatives in the Seychelles and Maldives demonstrate that with dedication and scientific guidance even severely damaged reefs can recover and once again become vibrant homes to thousands of fish species from clownfish and parrotfish to majestic sea turtles. People can help protect these recovering reefs through simple actions like recycling to reduce ocean bound waste, minimizing fertilizer use to prevent algae overgrowth, choosing sustainable transport to lower greenhouse gas emissions, opting for reef safe sunscreen and sustainable seafood, and supporting reef charities, all of which contribute to preserving these vital ecosystems for future generations.

Source: https://happyeconews.com/coral-reefs-are-coming-back/

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