Amazon Drought reduces Carbon Sinks


	Amazon Drought reduces Carbon Sinks

pokkets

3-8-2009 8:50 PM

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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/12c00558-04f3-4cff-89dc-fa097ad8f970/9AE4E688-5C14-4CEF-9A80-FCC18502B1B5/" 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.abc.net.au/science/articles/2009/03/06/2509425.htm?site=science&topic=latest" href="http://www.abc.net.au/science/articles/2009/03/06/2509425.htm?site=science&topic=latest" style="font-size: 11px;">www.abc.net.au</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.abc.net.au/science/articles/2009/03/06/2509425.htm?site=science&topic=latest"><P class="first">Drought is killing off trees in Brazil's fragile Amazon rainforest and depleting the region's carbon reservoirs - an ecological double-whammy with devastating implications, according to a new study.</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.abc.net.au/science/articles/2009/03/06/2509425.htm?site=science&topic=latest"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/www.abc.net.au/img/8D7E7CAD-54B9-478A-B876-68FCDB411B9A" alt="amazonian rainforest " /></div></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.abc.net.au/science/articles/2009/03/06/2509425.htm?site=science&topic=latest"><P>The Amazon's lush vegetation in a typical year absorbs nearly two billion tonnes of carbon dioxide.</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.abc.net.au/science/articles/2009/03/06/2509425.htm?site=science&topic=latest"><P>But a 30-year study published by the journal <A target="_blank" href="http://www.sciencemag.org"><EM>Science</EM></A> found that the world's largest tropical rain forest is surprisingly sensitive to drought, and that the resulting loss of vegetation will have a greater-than-anticipated effect in causing a sharp spike in greenhouse gases.</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.abc.net.au/science/articles/2009/03/06/2509425.htm?site=science&topic=latest"><P>The Amazon tree canopy, which absorbs massive amounts of greenhouse gases, often succumbs to the effects of dryness, thereby accelerating global warming by not absorbing CO2, say scientists.</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.abc.net.au/science/articles/2009/03/06/2509425.htm?site=science&topic=latest"><P>Drought also accelerates the depletion of the region's carbon sinks, natural reservoirs that accumulate and store the chemical compound for an indefinite period.</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/9AE4E688-5C14-4CEF-9A80-FCC18502B1B5/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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