[Taxacom] Geophylogeny

[John Grehan]

One person's poison is another persons....

Cheers,

John Grehan

-----Original Message-----
From: Jim Croft [mailto:jim.croft at gmail.com] 
Sent: Monday, November 08, 2010 4:38 PM
To: John Grehan
Cc: taxacom at mailman.nhm.ku.edu
Subject: Re: [Taxacom] Geophylogeny

Oh... Like tracks then?

Jim

On Tuesday, November 9, 2010, John Grehan <jgrehan at sciencebuff.org> wrote:
> Hypothetical is an understatement. None existent may be more like it!
>
> John Grehan
>
> -----Original Message-----
> From: taxacom-bounces at mailman.nhm.ku.edu
> [mailto:taxacom-bounces at mailman.nhm.ku.edu] On Behalf Of Karl Magnacca
> Sent: Monday, November 08, 2010 3:27 PM
> To: taxacom at mailman.nhm.ku.edu
> Cc: Bob Mesibov
> Subject: Re: [Taxacom] Geophylogeny
>
>> Aaiiiieeee! Getting close to hair-splitting here, and maybe an
>> expert biogeographer on the list would like to comment. The
>> historical phylogeography I've read has mainly focused on testing
>> specific hypotheses, e.g. that a particular area was a refuge or a
>> hotspot of diversification. What Kidd wants to do is literally map a
>> phylogeny, so that the whole construct is an hypothesis which could
>> be tested with fossils or geological narratives.
>
> Is this really new?  I suppose you could argue that in a statistical
> sense "most" historical biogeography is as you describe, but the
> latter has been done for a long time as well.  The program DiVA, for
> example, is made to map the geographic distribution of hypothetical
> ancestors of a phylogenetic tree using a parsimony algorithm.
>
> Karl
> =====================
> Karl Magnacca
> Postdoctoral Researcher
> University of Hawaii-Hilo
>
>
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