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The US Monarch population is in peril from loss of habitat to human development, pesticides, and climate change. From 4.5 million monarchs in the 80's, the last count in 2018 estimated less than 25,000 remaining.
It is being considered for the Endangered list, but that decision has been delayed for a year because of a very slight improvement - . [font=Arial, Helvetica, sans-serif]The favorable weather conditions in the US east last spring allowed the monarch population that overwinters in Mexico to increase by 144 percent, crossing just above the projected threshold of migratory collapse. Simultaneously, the western population that overwinters in California plunged by nearly 86 percent, falling below the population size scientists say is needed to avoid extinction.[/font] There are several monarch research groups, including ours in Brookings, who work to shelter, breed (naturally), raise, tag, release and track monarch caterpillars and butterflies. I have about 85 pupa (chrysalis stage) in our greenhouse at this point. Please report a tagged butterfly sighting and try to get the code on it's wing. And plant milkweed! |
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by SantaFeJoe
on Mon Sep 16, 2019 6:13 pm
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Posts: 8622
Joined: 28 Jan 2012 Location: Somewhere Out In The Wilds |
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by Tom Whelan
on Mon Sep 16, 2019 9:40 pm
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Posts: 30144
Joined: 21 Aug 2003 Location: Lexington, MA Member #:00293 |
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by cwdavis
on Tue Sep 17, 2019 1:59 pm
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Posts: 312
Joined: 28 Dec 2005 |
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by Cynthia Crawford
on Tue Sep 17, 2019 2:56 pm
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Posts: 20473
Joined: 10 Jun 2006 Location: Vermont Member #:00733 |
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by Sandy R-B
on Wed Sep 18, 2019 5:51 pm
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Posts: 1197
Joined: 23 Nov 2007 Location: Brookings, OR / Sedona, AZ |
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by Paul Rossi
on Thu Sep 19, 2019 7:08 pm
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Posts: 1195
Joined: 8 Feb 2018 Location: Michigan's Eastern Upper Peninsula |
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7 posts | | Page 1 of 1 |