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#26
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Well technically there are almost no fully aquacultured corals unless theyve spawned in captivity, otherwise theyre just clones of the same one. Although... we did have a torch coral spawn in the store I work at, which was pretty surprising. But I dont know how far people have gotten with acro's spawning in captivity.
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#27
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Acropora spawning in tank (claimed, anyway...)
http://archive.reefcentral.com/forum...1&highlight=GH
Seems difficult to get much solid info...although, barring the "infection" of polyp-eating animals, could be useful in a controlled on-shore propagation system, and presuming the hormone eventually is used up and no longer present in the corals tissue, could then be safely used to restore reefs. |
#28
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I think there are some people in South Florida attempting to grow acropora from wild harvested spawn. There was an article in the Miami Herald a year or so ago. I think they intend to use the corals to repopulate reefs impacted by the recent bleaching events in the area.
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#29
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Just an aside to forum conduct
I just want to give you guys credit for taking a thread that started off looking like it was headed for a flamefest in the first few replies (which nobody would have gotten anything from had it napalmed) and turning it into a very informative thread. You have all increased my knowledge, thanks!
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#30
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Dr. Richmond at the Univ. of Guam marine lab has been working on collecting and raising coral from spawn for several years now. Their work is very promising and will be useful in the future.
Induced spawning of LPS corals is one project that we will be working on again after we set up our Bali mariculture facility (proposed start is fall-winter of 2004). So far we have been able to induce spawning and settlement of LPS corals repetitively in an aquarium environment and intend on taking what we have learned back to the islands to create more community based jobs. The Saghorn type corals here in American Samoa are being lost at an alarming rate due to increasing periods of high water temperatures. The restoration project we are attempting identifies temperature resilient colonies and propagates them by fragmentation (by the community) for replanting. Due to the rapid rate these corals are being lost action must be taken now, or the removal of the critical coral cover these species provide will cause many problems in the coral reef and island ecology here. Will this simple method work? I don't know if it will work for every village or every situation, but in those areas where it does there will be a better chance for these stronger corals and their symbiotic algae’s to naturally reproduce and to add their genetic diversity into the great mix. Mike |
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