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Fragmentation of the gastrodermis and detachment of zooxanthellae in symbiotic cnidarians: a role for hydrogen peroxide and Ca2+ in coral bleaching and algal density control

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Academic year: 2020

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Fig.  1.  Fluorometer.  The  sample  chamber  is  a  9x30  mm  Kimble  glass  vial,  with  a  neoprene  o-ring  round  the  top,  and the bottom shielded with a disc of black electrical tape
Fig.  2.  Gastrodermal  tissue  from  Agaricia  sp.  exposed  to  moderate  temperature  (32 C)  and  illumination  (1250  μmol.m -2 .s -1 )
Fig.  3.  The  accumulated  loss  of  algae  from  lumps  of  gastrodermal tissue  exposed  to  different temperatures and  illumination  plotted  against  time
Fig.  6. Trozo  de  Agaricia  agaricites  colocado  a  32 C  por  6 hr, la mitad iluminada con 800 μmol.m -2 .s -1  y mostrando  señales  de  blanqueamiento,  la  otra  mitad  en  la  sombra,  sin  blanqueamiento
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