[Coral-List]: Coral Spawning
Juan Torres
jltorres38 at hotmail.com
Tue Aug 19 08:11:20 EDT 2003
Hi all,
Tehre was some spawn of Acropora cervicornis during last weekend in Puerto
Rico. Last saturday, August 16 one colony spawned between 9:20-9:40pm. Two
other colonies spawned last sunday, August 17 at the same hour. Also, two
branches from the colony that spawned on saturday (these branches did not
spawned on saturday) spawned on sunday too. A different colony released only
a couple of bundles and another only released one bundle. All these colonies
were at 1m depth in San Cristóbal reef in La Parguera reef platform.
Cheers,
Juan L. Torres
Univ. of PR
Dept. of Marine Sciences
>From: Judy Lang/Lynton Land <JandL at rivnet.net>
>To: "Jim Hendee" <Jim.Hendee at noaa.gov>
>CC: coral-list at coral.aoml.noaa.gov
>Subject: Re: [Coral-List] Reminder: Coral Spawning on the Web
>Date: Mon, 18 Aug 2003 11:14:09 -0400
>
>Hi Jim,
>Re the "little description"
>Very nice.
>Has it actually been demonstrated that the larvae of broadcasters are
>genetically more diverse than the larvae of brooders?
>
>Plus, last sentence: I doubt Szmant ('86) predicted the dates of spawning
>in the Florida Keys, since mass spawning events in this area were first
>only observed in the early '90s in the Flower Gardens.
>
>Take care,
>Judy
>
>On Monday, August 18, 2003, at 10:22 AM, Jim Hendee wrote:
>
>>Greetings, Coral-Listers,
>>
>> This is just a reminder of the message below, that we will be
>>broadcasting live video images over the Web of a possible coral spawning
>>event. The camera will come on every ten minutes and remain on for ten
>>minutes, from 7:02pm EST (00:02 GMT) to 5:32am EST (10:32 GMT, last
>>lighting) tonight through Wednesday night. One estimate of the expected
>>time of spawning is around 10:30pm EST (03:30 GMT) tomorrow (Tuesday)
>>night, but it could happen tonight (Monday) or Wednesday night at any
>>time...or not at all with this particular colony.
>>
>> You may be interested in a little description we have put together on
>>coral reproduction, located at URL,
>>
>> http://www.coral.noaa.gov/cleo/coral_spawning.shtml
>>
>> Again, if the camera does capture a spawning event, we will try to put
>>a better resolution digital video clip of the event on our Web Page for
>>downloading. As usual, the camera is also on all during the daylight
>>hours, and is occasionally moved around for purposes of our Coral
>>Literature, Education and Outreach (CLEO) program.
>>
>> Cheers,
>> Jim
>>
>>-------- Original Message --------
>>Subject: [Coral-List] Live On the Web: Coral Spawning
>>Resent-Date: Sun, 10 Aug 2003 20:04:15 -0400 (EDT)
>>Resent-From: AOML.Coral-List at noaa.gov
>>Date: Sun, 10 Aug 2003 20:02:56 -0400
>>From: Jim Hendee <Jim.Hendee at noaa.gov>
>>Organization: DOC/NOAA/AOML/OCD
>>To: coral-list at aoml.noaa.gov
>>
>>
>>Greetings, Coral-Listers,
>> As you can see from Dr. Alina Szmant's message below ("Alina Says"),
>>dated
>>February 21, 2003, spawning is anticipated for several species throughout
>>Florida and the Caribbean during selected days in August. As you may
>>recall,
>>part of our Coral Reef Watch program at NOAA is the installation of
>>Web-accessible Coral Cameras at selected stations where viewing specific
>>events
>>that can be witnessed are of value and interest to researchers and the lay
>>public, and where funding resources permit. Thus, we would like to
>>announce
>>that our colleague Dave Ward of the Caribbean Marine Research Center and
>>NOAA/AOML has positioned the St. Croix, USVI Coral Camera to point at a
>>large
>>colony of /Montastraea faveolata/ in about 40' of water. The camera has a
>>light on it that comes on for 10 minutes every thirty minutes beginning at
>>7:02pm (EST) and ending at 5:32am (last lighting). Hopefully, we will be
>>able
>>to witness the coral colony spawning some time between Aug 18-20, some
>>time
>>between 9pm and 2am, with a high probability of Aug 19 as the likely date.
>>Hopefully, the coral will cooperate (it may be that that particular
>>colony does not spawn). The URL for the Web Coral Camera is,
>>
>> http://www.coral.noaa.gov/
>>
>>and click on "Live Web Cams" in the left-side list of links, then on
>>"UnderwaterCam." You must have Windows Media installed on your computer
>>to
>>access the images. You can also open up the data stream directly in
>>Windows
>>Media (and thus increase the size of the viewing window) using this URL:
>> mms://192.111.123.141/uw-stx
>>The camera is broadcasting at night all this week, and of course also
>>during
>>all daylight hours.
>>
>> This effort is also part of our Coral Literature, Education and
>>Outreach
>>(CLEO) program (http://www.coral.noaa.gov/cleo, currently under
>>development),
>>under which we will also soon be providing educational modules concerning
>>coral bleaching and spawning. Please note that we will also be recording
>>a higher quality video stream (as opposed to that over the Internet) of
>>the event which will be downloadable (if they spawn) via the CLEO Web
>>link at some time after the spawning.
>>
>> Cheers,
>> Jim Hendee and the CREWS/Camera Team
>> (Clarke Jeffris, Louis Florit, Mike Shoemaker,
>> Jules Craynock, Jeff Judas, Monika Gurnee, Derek Manzello, Dave Ward and
>>Skeet Perry)
>>
>>-------- Original Message --------
>>Subject: Re: Coral Spawning Events for 2003
>>Date: Fri, 21 Feb 2003 16:14:02 -0500
>>From: Alina M. Szmant <szmanta at uncwil.edu>
>>To: Beaver, Carl <Carl.Beaver at fwc.state.fl.us>,
>>coral-list at coral.aoml.noaa.gov
>>
>>Dear Carl (and others):
>>
>>I feel like I should start an "Alina says... " column, and make it an
>>annual feature. I am glad to hear that I was accurate last year!
>>
>>For summer of 2003: Alina says...
>>
>>Full moon of Aug is on Aug 12 at 4:48 am.
>>
>>Acropora spp will spawn sometime between Aug 15 and 17 at ca. 10:00 to
>>10:30 am at Florida latitudes and ca. 30-60 min earlier further south
>>(ca. 2 hr after sunset)
>>
>>Montastraea spp and Diploria strigosa will spawn Aug 18 to 20 at ca. 11 pm
>>or so in Florida and ca. 30 to 60 min earlier further south. (ca. 3 hr
>>after sunset)
>>
>>In exchange for sticking my neck out once again, I hope those of you
>>lucky enough to be out there and observe spawning will email me back and
>>let me know if your observations were on other dates. We refine our
>>estimates each year by gathering more observations.
>>
>>Cheers, and don't step on the corals in the frenzy!
>>
>>Alina Szmant
>>
>>P.S. I am not liable for any errors in my estimates, or any consequences
>>of your spending your good time and money to be out there those nights.
>>However, if it works out, you owe me a beer for having saved all the time
>>and money trying to figure it out for yourself.
>>
>>
>>
>>At 03:01 PM 2/21/03 -0500, Beaver, Carl wrote:
>>
>>>Would any members wish to speculate as to the dates of coral spawning in
>>>the western Atlantic for 2003? Last years prediction (I think by Dr.
>>>Alina Szmant) hit the nail on the head and consequently the Harte
>>>Research Institute for Gulf of Mexico Studies was able to observe coral
>>>spawning on the Veracruz reefs for the first time.
>>>
>>>
>>>Carl Beaver Ph.D.
>>>Associate Research Scientist
>>>Florida Marine Research Institute
>>>100 8th Ave. SE. St Petersburg, FL 33701-5020
>>>Ph. 727-896-8626 ext 1110 / SC 523-1110
>>>Fx 727-893-1270
>>>e-mail Carl.beaver at fwc.state.fl.us
>>>
>>>
>>>
>>>~~~~~~~
>>>For directions on subscribing and unsubscribing to coral-list or the
>>>digests, please see http://www.coral.noaa.gov/lists/coral-list.html .
>>
>>*******************************************************************
>>Dr. Alina M. Szmant
>>Coral Reef Research Group
>>Professor of Biology
>>Center for Marine Science
>>University of North Carolina at Wilmington
>>5600 Marvin K. Moss Lane
>>Wilmington NC 28409-5928
>>tel: (910)962-2362 fax: (910)962-2410
>>email: szmanta at uncwil.edu
>>http://www.uncwil.edu/people/szmanta/
>>******************************************************************
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>>
>>
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>
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