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<body class='hmmessage'><div dir='ltr'>Heck I do not see a lot of milkweeds growing in farm fields where GM crops and hercides are used in southeast Michigan. These fields are neat, clean and tidy and are essentially mono-cultures of the cropped species only. I do not see how such situations are good for Monarch reproduction. Things have not always been so here in the past when you used to find a lot of Common Milkweed both along the edges of fields and in the fields themselves.<BR> <BR>Roger Kuhlman<BR>Ann Arbor, Michigan<BR>12/29/2013<br> <BR><div>> From: monarch@saber.net<br>> Date: Wed, 25 Dec 2013 16:32:05 -0800<br>> To: leps-l@mailman.yale.edu<br>> Subject: Re: [Leps-l] Unpublicized Monarch Overwintering Sites<br>> <br>> On Dec 25, 2013, at 1:49 PM, Charles Covell wrote:<br>> <br>> > Photos of containers of Roundup were included in the story. <br>> <br>> Way back in 2007 the milkweed that used to grow within crop fields in the <br>> upper Midwest had already been killed off by Roundup <br>> http://imageshack.com/a/img690/6708/xq6c.jpg yet the monarch population <br>> in the upper Midwest remained relatively high* until the drought and heatwave of <br>> 2012. So it's entirely possible that in 2014 or 2015 monarch numbers<br>> in the upper Midwest could recover to 2007-2011 levels because there <br>> havn't been any major reductions in the amount of milkweed available for <br>> the monarchs to use in the upper Midwest since 2007. There has been<br>> some milkweed loss on Conservation Reserve Program acreage (due<br>> to conversion to row crops) but milkweed plants growing on CRP<br>> acreage are so festooned with predators that monarch egg and caterpillar<br>> survival is poor.<br>> <br>> *this high in south-central Minnesota:<br>> <br>> 2010: http://www.youtube.com/watch?v=j4e3S2sm13g<br>> http://www.youtube.com/watch?v=WJCnU7PB9to<br>> <br>> 2011: http://www.youtube.com/watch?v=vpEyRuh4lwg<br>> http://www.youtube.com/watch?v=iatYTlT1qYQ<br>> <br>> Paul Cherubini<br>> El Dorado, Calif.<br>> _______________________________________________<br>> Leps-l mailing list<br>> Leps-l@mailman.yale.edu<br>> http://mailman.yale.edu/mailman/listinfo/leps-l<br></div> </div></body>
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