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Arctic spring arriving weeks earlier
wildcat
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10
6-20-2007 6:27 AM
396 views
tags:
environment
,
spring arctic
,
global warming
,
plant flowering
,
water
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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/12886f52-a918-4f45-8ea7-687e58afe9eb/B3F505F3-0E85-46A8-8CDB-6F3FB45D69A0/" 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://environment.newscientist.com/article/dn12091-arctic-spring-arriving-weeks-earlier.html" href="http://environment.newscientist.com/article/dn12091-arctic-spring-arriving-weeks-earlier.html" style="font-size: 11px;">environment.newscientist.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://environment.newscientist.com/article/dn12091-arctic-spring-arriving-weeks-earlier.html"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/environment.newscientist.com/img/8081DCFA-552A-4CBC-9D98-6AFE526CC4F9" alt="The team timed the arrival of spring around Zackenberg mountain in north-east Greenland (Image: Toke Høye)" /></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://environment.newscientist.com/article/dn12091-arctic-spring-arriving-weeks-earlier.html"><P>Spring in the Arctic now arrives about two weeks earlier than a decade ago because the snow is melting earlier, say researchers.</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://environment.newscientist.com/article/dn12091-arctic-spring-arriving-weeks-earlier.html"><P>Toke Høye at the University of Copenhagen in Denmark and colleagues observed the dates of a range of phenomena that signal the arrival of spring, including plant flowering and when insects, butterflies, mites and spiders emerged from hibernation.</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://environment.newscientist.com/article/dn12091-arctic-spring-arriving-weeks-earlier.html"><P>They found that on average, these signs of spring were happening 14.5 days earlier in 2005 than in 1996. The shift was as great as 30 days for some species of mites and midges and for the wolf spider.</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://environment.newscientist.com/article/dn12091-arctic-spring-arriving-weeks-earlier.html"><P>Peter Convey at the British Antarctic Survey studies similar events at the South Pole. He says another result of the earlier spring in the Arctic could be that species run out of water at the end of the summer. Rainfall is limited this far north and nature relies largely on melting snow for its water supply. So, if the snow melts earlier there may not be enough water later on in the season for plants and animals.</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;"> </td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/B3F505F3-0E85-46A8-8CDB-6F3FB45D69A0/blog/" title="blog or email this clip"><img src="http://content7.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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