Florida Marine Lab ‘Releases’ Coral Fragments In Keys Reef Restocking

SARASOTA, Florida — On Wednesday, Oct. 13, scientists with Mote Marine Laboratory released corals of four species at two sites in the Florida Keys National Marine Sanctuary. The release, permitted by Sanctuary officials and Florida Fish and Wildlife Conservation Commission, is designed to test the feasibility of using corals grown in land-based raceways and recirculating tank systems to restock damaged or depleted reef sites.
One of the release sites chosen was a site Mote is using as a coral nursery for the threatened stagorn coral. The second site was chosen because it was especially hard hit by the record cold temperatures that caused a rare coldwater bleaching event in January of this year.

“Now is an especially good time to do this study because of the cold snap in January,” said Dr. Kevan Main, director of Mote’s Center for Aquaculture Research and Development, which reared the coral fragments in partnership with Mote’s Center for Coral Reef Research at Mote’s Tropical Research Laboratory on Summerland Key. “During that cold event, many of the fragmented corals growing at the inshore release site were lost. This gives us an opportunity to see whether we can jump start the recovery of corals at this site with cultured fragments.”

Unlike the corals that Mote grows at Sanctuary nursery sites in the Lower Keys — which are grown for study and possible later outplanting in other reef locations — the corals “released” Wednesday are situated in their final location. “This is a permanent transplant,” Main said. About the release:

*Total number of corals: 138 *Half transplanted to an inshore site near Coopers Island *Half transplanted to an offshore reef nursery near Looe Key

Species

*Montastrea cavernosa (great star coral): 10 per site for a total of 20 *Montastrea annularis (boulder star coral): 20 per site for a total of 40 *Stephanocoenia intersepta (blushing star coral): 19 per site for a total of 38 *Siderastrea siderea (massive starlet coral): 20 per site for a total of 40

The corals will be checked and cleaned every two weeks and monitored for growth quarterly. A second release is planned for the spring.

The release and study is supported by the Protect Our Reefs Program, in which funds generated by sales of the Protect Our Reefs specialty license plate are used for coral reef research, education and conservation programs.

“Coral reef restoration is a key element of the Protect Our Reefs Program,” said Dr. Dave Vaughan, director of Mote’s Center for Coral Reef Research. “We hope this release will be successful and will help guide future restoration efforts with some the Keys’ threatened elkhorn and staghorn coral species.”

Other supporters include the Ocean Reef Foundation and the Rod & Gun Club.

Views expressed in this article do not necessarily reflect those of UnderwaterTimes.com, its staff or its advertisers.

Corals being transplanted by Mote post-doctoral scientist Dr. Gretchen Goodbody-Gringley on Oct. 13, 2010. Credit Mote Marine Lab

 

Replanted coral fragments in the Florida Keys. Credit Mote Marine Lab

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Posted on March 19, 2011, in Uncategorized. Bookmark the permalink. Leave a comment.

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