Frog Population Threatened

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	Frog Population Threatened

diodisegno

5-4-2007 6:40 AM

592 views

tags:

frog, disease, fungus, australia, extinction, infection

diodisegno says:

First the bees, now the frogs, and we haven't even got to global warming!

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5-19-2007 10:39 AM

gingembre

Chytrid fungus has been a huge threat to frogs for over ten years. I was doing some field work about ten years ago and was warned then against spreading the chytrid fungus as I traveled from pond to pond. I was advised to use a bleach solution to disinfect my boots and equipment whenever I left a pond. The fear is that people studying wildlife habitats are inadvertently spreading this devastating fungus.

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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://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/80fdd522-288f-478b-92c7-ccee2fb1455f/91DE3969-46AD-482E-BF9F-282B91278E27/" 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.sciencedaily.com/releases/2007/05/070503095949.htm" href="http://www.sciencedaily.com/releases/2007/05/070503095949.htm" style="font-size: 11px;">www.sciencedaily.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.sciencedaily.com/releases/2007/05/070503095949.htm">The deadly chytrid fungus</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.sciencedaily.com/releases/2007/05/070503095949.htm"> is now established in frog populations throughout Eastern Australia.</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.sciencedaily.com/releases/2007/05/070503095949.htm"> chytridiomycosis – the disease caused by the fungus –</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.sciencedaily.com/releases/2007/05/070503095949.htm">is now prevalent in moist, temperate areas around Australia, and around the world.</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.sciencedaily.com/releases/2007/05/070503095949.htm">"It's highly infectious, so when it arrives in an area most frogs are likely to contract it. It attacks the keratin in the frogs' skin, and may also produce a toxin that poisons the frog. The disease can have an 80 per cent mortality rate, and is already believed to be responsible for 6-8 species extinctions in eastern Australia.  "Overseas dozens of species have disappeared due to the disease."</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.sciencedaily.com/releases/2007/05/070503095949.htm">Frogs are recognised as an important bio-indicator, acting as an early warning system for environmental problems. While habitat loss is the greatest threat to coastal frogs, this new disease has had devastating effects in the frog populations in the hinterland regions," he said.</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/91DE3969-46AD-482E-BF9F-282B91278E27/blog/" title="blog or email this clip"><img src="http://content6.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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