bleach

corals

bleaching

increased solar irradiance

low turbidity,

corals

bleaching

elevated levels of UV radiation

bleaching

elevated sea temperatures

bleaching

coral

high sea temperature

reduced seawater salinities

bleaching

coral

bleaching

coral

temperatures

bleach

coral

bleached

Faviu

bleach

corals

Elevated tempera- ture

bleach

corals

bleach

corals

bleach

corals

corals

corals

endos~biotic dino~age~ates)

tropical seas

corals

bleaching

bleaching

stress

zooxanthellae

corals

Zoox~thellae

Zooxanthefla

Temperature

Stress

Light

radiance

Coral

Bleaching

z~x~thellae

S. @&ri_

S. pirtiltata

reduced p .r ratios.

reduced colony photos~theti~ rates

high and sustained colony respiratory rates

S. hyTn$.

S. pirrillara

temperature

corals

temperature

coral

zooxanthellae

reduced poputation densities

zooxanthella

~x~theilae

corals

temperatures

S. hystrix

S. pistilZat

Sudden exposures to reduced salinities

temperature,

sudden increases in solar irradiance.

S. hystrir

S. pistillat

zooxanthellae

exposures to full sunlight

z~xanthellae.

zooxantheltae

iow pigment content

exposed to full sunlight

S. p~~~~~i

bleaching

corals

zooxanthellae

zooxanthellae

corals

zooxanthellae

zooxanthellae

Lizard Island

Sericztopora hystrix

SryZ~phorap~til~a

Australia.

Great Barrier Reef

Lizard Island

~oox~tbell~

reef mora

bleaching

bleaching

coral-reef

corals

Bleaching

S~~fft~p~~~ ~ys~~x

~ty~~~~u~~ ~~s~~~~

reef corals

zoox~the~~a~

salinity

light