on coral bleaching...

[vitz]

it's one of the more thorough research works on the subject i've come across to date, and seems to indicate temperature, CO2 driven photoinhibition, and calm water to be the main likely culprits, aside from manmade pollution/turbidity issues (if i've read it correctly, heh):

either way-a most informative piece of work:

http://martin-pecheux.fr/review.htm