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04-14-2016, 06:38 AM
A close-up look at the Great Barrier Reef’s bleaching
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These images are a selection of photos taken recently near Lizard Island off the **rth Queensland coast in Australia. They document the ongoing bleaching (https://theconversation.com/coral-bleaching-comes-to-the-great-barrier-reef-as-record-breaking-global-temperatures-continue-56570)*on the Great Barrier Reef as ocean temperatures continue to be driven upward by climate change.
SEE ALSO: Coral bleaching comes to the Great Barrier Reef (https://theconversation.com/coral-bleaching-comes-to-the-great-barrier-reef-as-record-breaking-global-temperatures-continue-56570)
The bleaching process
Before corals bleach, they are often a deep brown or khaki-green colour. These colours come from the symbiotic algae (sometimes called zooxanthellae) that co-exist with the coral polyp.
http://rack.3.mshcdn.com/media/ZgkyMDE2LzA0LzE0LzYzL2ltYWdlMjAxNjA0LjNjMjcwLmpwZw pwCXRodW1iCTU3NXg0MDk2Pg/ee181fdb/f1d/image-20160408-23634-11ortpe.jpg
Before bleaching…
Image: Justin Marshall/coralwatch.org
During bleaching, as the symbiotic algae depart, you can see the beautifully coloured polyps. Sometimes polyps are transparent and we see only the white skeleton beneath. Other polyps may be brightly coloured, as seen here. Read more... (http://mashable.com/2016/04/13/reef-bleaching-photos/)
More about Environment (http://mashable.com/category/environment/?utm_campaign=Mash-Prod-RSS-Feedburner-All-Partial&utm_cid=Mash-Prod-RSS-Feedburner-All-Partial), Great Barrier Reef (http://mashable.com/category/great-barrier-reef/?utm_campaign=Mash-Prod-RSS-Feedburner-All-Partial&utm_cid=Mash-Prod-RSS-Feedburner-All-Partial), Australia (http://mashable.com/category/australia/?utm_campaign=Mash-Prod-RSS-Feedburner-All-Partial&utm_cid=Mash-Prod-RSS-Feedburner-All-Partial), and World (http://mashable.com/world/?utm_campaign=Mash-Prod-RSS-Feedburner-All-Partial&utm_cid=Mash-Prod-RSS-Feedburner-All-Partial)http://ad.doubleclick.net/ad/mash.to/rss;pos=atf;tag=ad;mtype=standard;type=rss;sz=300x 250;ord=1460600259 (http://ad.doubleclick.net/jump/mash.to/rss;pos=atf;tag=ad;mtype=standard;type=rss;sz=300x 250;ord=1460600259)http://feeds.feedburner.com/~r/Mashable/~4/t-Ko3k69H3U
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These images are a selection of photos taken recently near Lizard Island off the **rth Queensland coast in Australia. They document the ongoing bleaching (https://theconversation.com/coral-bleaching-comes-to-the-great-barrier-reef-as-record-breaking-global-temperatures-continue-56570)*on the Great Barrier Reef as ocean temperatures continue to be driven upward by climate change.
SEE ALSO: Coral bleaching comes to the Great Barrier Reef (https://theconversation.com/coral-bleaching-comes-to-the-great-barrier-reef-as-record-breaking-global-temperatures-continue-56570)
The bleaching process
Before corals bleach, they are often a deep brown or khaki-green colour. These colours come from the symbiotic algae (sometimes called zooxanthellae) that co-exist with the coral polyp.
http://rack.3.mshcdn.com/media/ZgkyMDE2LzA0LzE0LzYzL2ltYWdlMjAxNjA0LjNjMjcwLmpwZw pwCXRodW1iCTU3NXg0MDk2Pg/ee181fdb/f1d/image-20160408-23634-11ortpe.jpg
Before bleaching…
Image: Justin Marshall/coralwatch.org
During bleaching, as the symbiotic algae depart, you can see the beautifully coloured polyps. Sometimes polyps are transparent and we see only the white skeleton beneath. Other polyps may be brightly coloured, as seen here. Read more... (http://mashable.com/2016/04/13/reef-bleaching-photos/)
More about Environment (http://mashable.com/category/environment/?utm_campaign=Mash-Prod-RSS-Feedburner-All-Partial&utm_cid=Mash-Prod-RSS-Feedburner-All-Partial), Great Barrier Reef (http://mashable.com/category/great-barrier-reef/?utm_campaign=Mash-Prod-RSS-Feedburner-All-Partial&utm_cid=Mash-Prod-RSS-Feedburner-All-Partial), Australia (http://mashable.com/category/australia/?utm_campaign=Mash-Prod-RSS-Feedburner-All-Partial&utm_cid=Mash-Prod-RSS-Feedburner-All-Partial), and World (http://mashable.com/world/?utm_campaign=Mash-Prod-RSS-Feedburner-All-Partial&utm_cid=Mash-Prod-RSS-Feedburner-All-Partial)http://ad.doubleclick.net/ad/mash.to/rss;pos=atf;tag=ad;mtype=standard;type=rss;sz=300x 250;ord=1460600259 (http://ad.doubleclick.net/jump/mash.to/rss;pos=atf;tag=ad;mtype=standard;type=rss;sz=300x 250;ord=1460600259)http://feeds.feedburner.com/~r/Mashable/~4/t-Ko3k69H3U