Panbiogeography of the Americas

John Grehan jrg13 at PSU.EDU
Tue Sep 28 04:07:18 CDT 1999

 fred schueler wrote:

>> * if your system of connecting lines is entrained in a system
>> that encodes them as a falsifiable hypothesis, then that sounds like
>> science to me.

There are techniques proposed by which track relationships may be falsified
so the method meets this criterion. There is a lot of work to be done in this
area, but there are few quantitative people who also have a strong interest
in geography.

Just because 'land bridges' turn out to be continental
>> rafting doesn't influence the geographic reality of the connections they
>> describe.

Agreed, and Croizat emphasized that to him at least it was not critical
whether land sank or moved. The result would be basically the same.

John Grehan

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