<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/3bcea68a-0331-4152-bc86-cfc532d3cd52/3455D431-8AD1-41F9-8AD7-03BBA0A2821E/" 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://plentymag.com/features/2008/06/co2_sand.php" href="http://plentymag.com/features/2008/06/co2_sand.php" style="font-size: 11px;">plentymag.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://plentymag.com/features/2008/06/co2_sand.php"><H3 class="blogtitle">Storing carbon in the sand</H3></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://plentymag.com/features/2008/06/co2_sand.php"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.plentymag.com/img/D3DFDA43-33F1-4161-8F33-221CC759C4BD" alt="" /></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://plentymag.com/features/2008/06/co2_sand.php"><P class="MsoNormal">If you’ve ever walked through a national or state park in the southwestern United States, you’ve probably noticed the ground cover. Tiny castle-shaped lumps and mini mountain ranges stipple the sandy earth, and signs posted everywhere warn visitors not to trample the soil. Holding the sand in place are biological <A target="_blank" href="http://www.soilcrust.org/crust101.htm" linkindex="26">soil crusts</A>—a ‘skin’ of microscopic cyanobacteria, algae, lichens, mosses, fungi, and bacteria—that can take from decades to centuries to form.</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://plentymag.com/features/2008/06/co2_sand.php"><P class="MsoNormal">Recently, interest in this thin, organically rich layer has grown, along side increasing concern over climate change. Scientists worldwide are studying how carbon enters and leaves ecosystems, ranging from tropical rain forests and grasslands to glaciers. Long neglected, deserts are now getting a closer look, too. These <A target="_blank" href="http://www.soilcrust.org/advanced.htm" linkindex="27">arid landscapes</A> account for some 30 percent of the earth’s land surface, potentially making them an important player in the globe and atmosphere’s carbon cycle.</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/3455D431-8AD1-41F9-8AD7-03BBA0A2821E/blog/" title="blog or email this clip"><img src="http://content8.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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