Insect explosion 'a threat to food crops'


	Insect explosion 'a threat to food crops'

kmcolo

2-12-2008 11:52 AM

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tags:

global warming, climate change

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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/316bc2d0-5ae1-46a1-9fd3-a4a416af2421/263A4ACC-ACBA-48FB-A632-F875C0FCABC8/" 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.independent.co.uk/environment/nature/insect-explosion-a-threat-to-food-crops-781016.html" href="http://www.independent.co.uk/environment/nature/insect-explosion-a-threat-to-food-crops-781016.html" style="font-size: 11px;">www.independent.co.uk</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.independent.co.uk/environment/nature/insect-explosion-a-threat-to-food-crops-781016.html"><P>Researchers found that the numbers of leaf-eating insects are likely to surge as a result of rising levels of CO2, at a time when crop production will have to be boosted to feed an extra three billion people living at the end of 21st century.</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.independent.co.uk/environment/nature/insect-explosion-a-threat-to-food-crops-781016.html"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.independent.co.uk/img/02616302-8ADD-4DF9-BCD0-494B374C2F36" 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://www.independent.co.uk/environment/nature/insect-explosion-a-threat-to-food-crops-781016.html"><P>Scientists found that, during one of the last great episodes of global warming 55.8 million years ago, there was a significant increase in both the amount of damage caused by leaf-eating insects and the variety of injuries they inflicted on plants.</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.independent.co.uk/environment/nature/insect-explosion-a-threat-to-food-crops-781016.html"><P>"We think that the warming allowed insect species from the tropics ... to migrate north," Ms Currano said.</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.independent.co.uk/environment/nature/insect-explosion-a-threat-to-food-crops-781016.html"><P>Consequently, when CO2 increases, leaves have less protein and insects need to eat more to acquire the nutrients they need. Plants can grow faster when CO2 levels rise, but they suffer from a disproportionate increase in damage, she said.</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/263A4ACC-ACBA-48FB-A632-F875C0FCABC8/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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