Brower replies- The most recent ranting about monarch butterfly conservation
Stanley A. Gorodenski
stan_gorodenski at asualumni.org
Fri Oct 10 13:19:22 EDT 2003
I like your responses as well as this one. I am sure you know the
difference between a forecast (or projection) and an event. My response
was primarily for the educational benefit of Mr. Bordelon.
Stan
Paul Cherubini wrote:
>Stanley A. Gorodenski wrote:
>
>
>
>>You, or I, cannot forecast the economy of Mexico with 100%
>>accuracy and so you cannot forecast the direction of logging and other
>>destructive activities decades or a hundred or more years in the future
>>with 100% accuracy no matter what your photographs may show.
>>
>>
>
>Agreed, but in other parts of North American and the world, history
>shows us that the logging that accompanies agricultural and
>industrial development presents new opportunities as well as
>potential problems for the monarch. Along the California coast, for
>example, development removed some of the native pine, oak
>and sycamore overwintering habitats the monarchs had been
>using for centuries. However, new plantings of non-native
>eucalyptus and other evergreen trees accompanied these same
>developments and the monarchs switched over to these non-native
>trees. Humans also inadvertently introduced the monarch to Spain,
>Australia and New Zealand during the late 19th century. Guess
>what happened? The annual migration / overwintering phenomenon
>became established in those areas of the world as well. These
>migrations are supported by non-native milkweeds that also became
>introduced by accident. This is why biologists sometimes refer
>to the monarch - including the migratory monarch - as a "weedy
>opportunist".
>
>Paul Cherubini
>
>
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