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Re: It's fall and time for a new round of Monarch Extinction press releases.



Paul, et al,
I read all the references Paul gave (one could not be found) and I did not get the impression from any of these articles that Oberhauser and fellow researchers were crying wolf, applying bad science, and, especially, predicting the the extinction of the population of Monarchs that migrate to Mexico, let alone the entire species. These are excerpts from the news articles Paul provided:


"The scientists point out that the monarch may be expected to survival climate change better than some animals that cannot migrate. However, their highly specific requirements for surviving the winter months make them especially vulnerable to any changes."
and
"Three things could happen," said Oberhauser, whose study was published online Monday in the Proceedings of the National Academy of Sciences. "They could go extinct. They could adapt. Or they could go somewhere else."
and
"Oberhauser said she could not say what would happen to the butterflies if wet winters in the micro-climate became the norm."
and
"They could become a year-round breeding species like they are in Hawaii,"


None of these look like "dire predictions" as Paul describes them, and, apparently, as some on this list look upon these news articles. Who is being objective and who is being biased? Who is crying wolf and who is not? It does not appear to me that it is Oberhauser and fellow researchers are guilty of the latter and I am glad someone is doing "actual" research in this area.
Stan
p.s. As I have already stated, I have no position on the danger to the Monarch.



Paul Cherubini wrote:


In past years, usually in the fall or winter, Dr's Lincoln Brower, Karen Oberhauser and/or Chip Taylor have made dire predictions, about the potential impacts of logging in Mexico, Bt corn, tourist trampling, butterfly releases, mosquito spraying etc, on migratory monarchs, but the migrants continue be as abundant as ever. This fall, Dr. Oberhauser has been talking to the press about an imminent new extinction threat:
USA TODAY:
http://www.usatoday.com/weather/news/2003-11-11-monarch-climate_x.htm
CLIMATE changes may drown out monarch butterflies CBC News, Canada
MINNEAPOLIS - A wetter climate is expected in Mexico in the next 50 years,
which could do in monarch butterflies. Millions of colourful ...
<http://www.cbc.ca/stories/2003/11/10/monarchs031110>
BBC News, UK
Monarch butterflies may lose their winter habitat within 50 years
because of climate change, say researchers. Monarchs migrate thousands ...
Monarch Butterfly May Face Climate Threat - Newsday Climate
change in winter home may endanger Monarch butterfly, ...
<http://news.bbc.co.uk/1/hi/sci/tech/3257917.stm>


MONARCH Butterfly May Face Climate Threat Fredericksburg.com, VA
Monarch butterflies, which journey hundreds of miles to spend the winter
in a mountain forest in Mexico, may be endangered within 50 years
because a changing ...
<http://www.fredericksburg.com/News/apmethods/apstory?urlfeed=D7UO1B401.xml>

CLIMATE threatens butterfly's 2,000-mile migration Independent, UK
 ... Oberhauser added: "The relationship between winter mortality and
weather conditions suggests climate-change may have important impacts on
monarch butterflies.". ...
<http://news.independent.co.uk/world/science_medical/story.jsp?story=462600>

MONARCH butterflies face new threat from global climate change
Minneapolis Star Tribune (subscription), MN For eons monarch butterflies
from the northern United States have migrated by the millions to hang from
trees in great orange clouds high in the mountains of ...
<http://www.startribune.com/stories/484/4204668.html>

Paul Cherubini


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