Georgia Tech Alumni Magazine, Vol. 97 No. 3, Fall 2021

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Creative Cutting -Edge Coral Scientist

Kristen Marhaver, Bio 04  Associate Scientist | CARMABI Foundation

KRISTEN MARHAVER SPEAKS FOR THE CORALS.

FALL 2021 | GTALUMNI.ORG/MAGAZINE

A L L AT O N C E F O R A N E N DA N G E R E D S P E C I E S , ” M A R H AV E R SAYS .

“Raising young corals today boosts the reproduction on future coral reefs for centuries,” she says. Her lab’s Genome Resource Bank takes an even longer view. Its 500 billion (and counting) cryopreserved coral sperm can survive indefinitely,

serving as the ocean equivalent of a seed bank that endures whatever disease outbreaks or thermal events arise. She is always eager to speak for the corals: about their critical role in shoreline protection, their value to island economies, their tremendous

CLAUDIA SANCHES & MIGUEL HART

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N E O N ATA L I N T E N S I V E C A R E U N I T , A N D A DAYC A R E

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The scuba diver, under water photographer, and world-renowned expert in coral breeding has racked up more than 2.3 million views of her engaging TED talks, in which she shares her ground-breaking innovations and heartfelt passion for preserving these little-understood and greatly undervalued marine creatures. “Corals are so distant from us evolutionarily, so foreign and alien, that you really have to be creative in thinking about what their life is like and what they need to survive,” she says. In her research lab at CARMABI (Caribbean Research and Management of Biodiversity) on the island of Curaçao, Marhaver and her team have made great strides in aiding coral survival by inventing methods for coral breeding, baby coral propagation, and coral gene banking. “It’s like running an IVF clinic, a neonatal intensive care unit, and a daycare all at once for an endangered species,” she says. Through hundreds of night dives, she and her colleagues pinpointed the timing for the spawning of numerous Caribbean coral species. Their spawning charts are now used by dozens of research teams to collect and preserve coral sperm and eggs. Marhaver was also the first person in the world to raise baby pillar corals, a nearly extinct Caribbean coral species. Juvenile corals supercharge reefs; they spawn more prolifically and adapt more readily to changing environments.

“IT’S LIKE RUNNING AN IVF CLINIC, A


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