Upload

Loading icon Loading...

This video is unavailable.

Coral Bleaching (Great Barrier Reef Marine Park Authority)

Sign in to YouTube

Sign in with your Google Account (YouTube, Google+, Gmail, Orkut, Picasa, or Chrome) to like GBRclimatechange's video.

Sign in to YouTube

Sign in with your Google Account (YouTube, Google+, Gmail, Orkut, Picasa, or Chrome) to dislike GBRclimatechange's video.

Sign in to YouTube

Sign in with your Google Account (YouTube, Google+, Gmail, Orkut, Picasa, or Chrome) to add GBRclimatechange's video to your playlist.

Uploaded on Feb 3, 2009

Corals live in a partnership with single-celled algae known as zooxanthellae. Coral bleaching occurs when this relationship breaks down under stressful conditions - such as higher-than-normal sea temperatures - and the coral host expels its zooxanthellae. With the algae and the pigments they contain gone, the coral tissue is left transparent, revealing the bright white skeleton beneath.

Loading icon Loading...

Loading icon Loading...

Loading icon Loading...

The interactive transcript could not be loaded.

Loading icon Loading...

Loading icon Loading...

Ratings have been disabled for this video.
Rating is available when the video has been rented.
This feature is not available right now. Please try again later.

Loading icon Loading...

Loading...
Working...
to add this to Watch Later

Add to