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Fwd: [Coral-List] Cold-water stresses on the Florida reef tract

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  • Chris Hind
    not good. ... From: Lew Gramer Date: Thu, Jan 14, 2010 at 3:22 PM Subject: [Coral-List] Cold-water stresses on the Florida reef tract To:
    Message 1 of 1 , Jan 14, 2010
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      not good.


      ---------- Forwarded message ----------
      From: Lew Gramer <lew.gramer@...>
      Date: Thu, Jan 14, 2010 at 3:22 PM
      Subject: [Coral-List] Cold-water stresses on the Florida reef tract
      To: coral-list@...


      Extreme cold temperatures have been observed in near-shore waters of the
      Florida Keys by reef monitoring stations of the SEAKEYS/C-MAN network. NOAA's
      Coral Health and Monitoring Program via the Integrated Coral Observing Network
      (ICON: _http://ecoforecast.coral.noaa.gov_) project monitors near real-time
      data from these stations for conditions conducive to coral bleaching and other
      ecological impacts.  Recent reports have surfaced among scientists, resource
      managers, and the media of large-scale, multi-species fish kills that have
      been primarily limited to shallow-water environments in Florida and
      Biscayne Bay.

      Coral mortality has been reported from south Florida when water temperatures
      previously declined to 14 degrees Celsius, or below (Porter et al. 1982).
      While temperatures on offshore reef environments have been > 17-18 deg C
      (likely due to oceanic influence from the Florida Current), shallow-water and
      nearshore environments have fallen well below 14 deg C (e.g., 10-11 deg C near
      Long Key).  It is expected that there will be some cold-water bleaching and
      potential for mortality in shallow-water corals and other reef organisms. If
      coral-list readers collect observations of bleaching or other cold-related
      stresses on reef organisms, please contact us at NOAA AOML in Miami.

      Sincerely yours,

      Lew Gramer, Jim Hendee, Derek Manzello
      NOAA Atlantic Oceanographic and Meteorological Laboratory


      Reference
      Porter JW, Battey JF, Smith GJ (1982) Perturbation and change in coral reef
      communities. Proc Natl Acad Sci USA 79:1678-1681
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