Elizabeth Barrette (ysabetwordsmith) wrote,
Elizabeth Barrette
ysabetwordsmith

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Milkweed and Monarchs

Someone finally got around to fielding a study which indicates that milkweed is necessary but not sufficient for monarch butterfly survival.   Other factors contribute to their steep decline.  Sure, you can grow milkweed, that's a great thing to do.  But don't think it will "save the butterflies."  It just slows the loss a little.  Other factors lie outside what humans are willing to change, such as pesticides; or able to change, such as climate change.  Even on a national scale, responses are limited, because monarchs have transnational migration routes.  Serious conservation efforts would require collaboration between America and Mexico, which seems unlikely.
Tags: illinois, nature, news, science, wildlife
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