Scientists Discover What's Destroying Fragile Coral Eeefs: Tourists' Sunscreen


	Scientists Discover What's Destroying Fragile Coral Eeefs: Tourists' Sunscreen

tabsey

1-31-2008 6:47 AM

166 views

tags:

nature, pollution

tabsey says:

I think it is called "irony".

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://www.clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/33d13603-302d-42a6-8047-a0d3ee6723fd/803FD6DD-6280-4A55-9ED7-940FBAA95BD4/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.dailygalaxy.com/my_weblog/2008/01/scientists-disc.html" href="http://www.dailygalaxy.com/my_weblog/2008/01/scientists-disc.html" style="font-size: 11px;">www.dailygalaxy.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.dailygalaxy.com/my_weblog/2008/01/scientists-disc.html"><P><A href="http://www.dailygalaxy.com/photos/uncategorized/2008/01/30/coralreefsdeclineworldwide300x447_2.jpg"><IMG width="210" height="312" border="0" src="http://www.dailygalaxy.com/my_weblog/images/2008/01/30/coralreefsdeclineworldwide300x447_2.jpg" title="Coralreefsdeclineworldwide300x447_2" alt="Coralreefsdeclineworldwide300x447_2" /></A>
 A new study has identified an elusive culprit behind the lethal bleaching of coral reefs worldwide. The popular sunscreens that tourists slather on before a dip in the ocean contains chemicals that quickly kill off fragile reefs.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.dailygalaxy.com/my_weblog/2008/01/scientists-disc.html"><P>
Specifically, what researchers found was that four commonly found
sunscreen ingredients have the ability to awaken dormant viruses in the
symbiotic algae called zooxanthellae that live inside reef-building
coral species. The chemicals then cause the viruses to replicate until
their algae hosts explode, spilling viruses into the surrounding
seawater, where they can spread out to infect neighboring coral
communities.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.dailygalaxy.com/my_weblog/2008/01/scientists-disc.html"><P>
These symbiotic algaes, called Zooxanthellae, are what provide coral
with food energy through photosynthesis and contribute to the
organisms' beautiful colors. When then die off, the coral "bleaches”
white and dies.</P></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/803FD6DD-6280-4A55-9ED7-940FBAA95BD4/blog/" title="blog or email this clip"><img src="http://content9.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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