[Coral-List] Palythoa discussion
Dawn.Phillip at sta.uwi.edu
Mon Mar 17 18:15:45 EDT 2008
Yes, I was fascinated by the fact that Palythoa had a greater tendency
to bleach in the part of the reef that it dominated. We haven't looked
at the reef slope as yet as we are waiting for the brief period of clear
water (about 2 weeks in August/September). The visibility is horrible
(<<1 m) and it is very rough getting out there
Thanks everybody for the refs. I'll have a read and consolidate my
From: coral-list-bounces at coral.aoml.noaa.gov
[mailto:coral-list-bounces at coral.aoml.noaa.gov] On Behalf Of dustin kemp
Sent: Monday, March 17, 2008 4:23 PM
To: coral-list at coral.aoml.noaa.gov
Subject: [Coral-List] Palythoa discussion
Interesting observation concerning
differences in Palythoa bleaching from inshore vs. offshore colonies.
This acclimatization process has been shown with Palythoa caribaeorum
their zooxanthellae types C1 & D1a) on a geographic scale in S. Florida
(Kemp, DW, et al.
Journal Experimental Marine Biology and Ecology. 2006). We found
that P. caribaeorum from regions with larger annual temperature ranges
bleach as much as P. caribaeorum with smaller annual temperature ranges.
I know this has also been seen in corals as well (Cook et al. Coral
1990; among others).
An interesting observation that I could
never figure out during this project is why along the east coast of
to West Palm Beach) you can find P. caribaeorum right off the beach but
FL Keys to find P. caribaeorum you must go offshore past Hawks channel
> 2-3 miles out). Even on patch reefs inside of Hawks channel I was
unable to find P. caribaeorum.
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