[Taxacom] Methodological plurality [was cladistic analysis for morphological characters -- UPGMA is not cladistics]

Anthony Gill gill.anthony at gmail.com
Sun Nov 18 16:03:40 CST 2012


Well put Kip.

On Sun, Nov 18, 2012 at 5:13 AM, Kipling (Kip) Will <kipwill at berkeley.edu>wrote:

> On 11/17/2012 9:30 AM, Richard Zander wrote:
> > Congruence of what?
>
> Tree topology or more specifically sister-group relationships between
> OTUs. Viewed as a Venn or Euler diagrams it can also be thought of a
> pattern of nesting or hierarchy.
>
> Nesting? Nesting is not a process in nature, it is a
> > feature of the method. Of course nesting will be different when
> > different methods are used since serial macroevolutionary
> > transformations of taxa are interprested (as nesting) in different ways.
> >
> >
>
> I made no claim that "nesting" was a process. Most list readers will be
> familiar with your opinions on these matters and won't be surprised we
> have trouble finding a common vocabulary. One needs to be careful not to
> confabulate patterns, processes, diachronic and synchronic context of
> phylogenies.
>
> My post was was intended to open a discussion on the use of a plurality
> of methods and what, if any justification for this common practice exists.
>
> kw
>
>
> --
>
> Contact info:
>
> Kipling W. Will
> Associate Professor/Insect Systematist
> Associate Director,Essig Museum of Entomology
>
> send specimens to:
> Essig Museum of Entomology
> 1101 Valley Life Sciences Building, #4780
> University of California, Berkeley
> Berkeley, CA 94720-4780
>
> letter mail to:
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>
> fax 510-643-5438
>
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-- 
Dr Anthony C. Gill
Natural History Curator
A12 Macleay Museum
University of Sydney
NSW 2006
Australia.

Ph. +61 02 9036 6499
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