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Posted on May 18, 2021 in Latest News, Newsroom

HONOLULU – In an effort to salvage highly valuable corals severely damaged in Honolulu Harbor’s channel, the DLNR Division of Aquatic Resources (DAR) has taken emergency action to recover as many living pieces as possible. The damage took place two weeks ago and was caused by a dredging platform’s anchor and cable dragging over numerous coral colonies.

An emergency restoration is necessary to prevent additional damage. Freshly broken corals and reef substrate are susceptible to being moved around by surf and currents. This can cause further damage when corals roll and collide with other corals and substrate.

DAR divers worked quickly to assess which corals can be reattached and which specimens should be taken to the state coral nursery at the Ānuenue Fisheries Research Center (AFRC).

Nursery Director David Gulko refers to the emergency restoration action as triage. “We selectively collected broken pieces 7- 14 inches in size. Larger corals were prioritized for reattachment at the site,” Gulko explained.

He said smaller-sized corals are tough to collect in short time frames because they get tumbled around in the surf. Gulko noted that the only fragments smaller than 7 inches that will be collected are ones recognized as rare Hawaiian species, to be held at the Hawai’i Rare Coral Ark at the nursery.

During recovery, divers selected broken pieces with the highest amount of live coral present. The fragments are carefully documented, photographed, and measured before being placed into numbered bags. Bins, holding the bags, were then rushed to the coral nursery.

At the AFRC, Nursery Specialist, Chelsea Wolke coordinated the careful placement of the corals into a holding tank. Inside the tank, recovered corals are again measured, photographed, and assigned unique chain-of-custody numbers to track their time at the nursery.

No decision has been made about whether collected specimens will be fast-grown in the nursery into larger corals for later out-planting or returned to the site after the emergency restoration is completed.


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