FW: At El Rosario about half of the colony is now on the ground.. .
Mike.Quinn at tpwd.state.tx.us
Fri Jan 18 18:25:06 EST 2002
Bad news from Michoacan... Mike
From: Chip Taylor [mailto:chip at KU.EDU]
Sent: Friday, January 18, 2002 3:43 PM
To: dplex-l at UKANS.EDU
Subject: NEWS FROM DAVE KUST
As I mentioned yesterday, Dave Kust's email from Zitacuaro seemed to
be cut off. Indeed it was and Dave just called to pass on more
These are notes from the phone call. Unfortunately, there wasn't
enough time to discuss all the details.
At El Rosario about half of the colony is now on the ground and not
moving and apparently dead. In many places on the trails the dead
and/or dying butterflies are 10 layers deep. Evidently this has been
the case since Monday the day after low nighttime temperatures in the
mid 20's or lower.
The conditions at El Rosario appear to be more serious than at
Chincua where the majority of the butterflies on the ground appeared
to be flying and climbing back up into the shrubs.
There were reportedly 10 cm of snow at Chincua and roughly 15 cm at
El Rosario. However, it is seldom the snow that kills the monarchs
but rather the length of the periods where the temperatures drop to
or below 26 degrees F.
Lincoln Brower will be in El Rosario next week and hopefully he can
give us an assessment of the situation when he returns.
e: monarch at ku.edu
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