Sun, 03 Feb 2013 12:07:59 PST
What are the precise parameters for defining a species and now that genetics are here?


> Message du 03/02/13 19:51
> De : "Hannon" 
> A : "Pacific Bulb Society" 
> Copie à : 
> "*The days of the Mexican stand off between so called 'lumpers and
> splitters' is effectively soon to be at an end with these new tools and
> allowing an inarguable case, more often than not, to be made one way or
> another.*"
> Who would make the "inarguable case"? A consensus or a central authority?
> The arbiter is the scientific community, which derives much of its strength
> from the heterodox nature of its members. Friction between the latter can
> be more productive than agreement.
> I don't think the problem of ranking taxa, ultimately a subjective
> necessity, can be resolved in a landscape of new information and evolving
> interpretations. Two botanists with a similar, comprehensive understanding
> of a group may forward different and equally valid views on the
> organization of taxa into a formal classification. Such differences provide
> a crucial forum for the improvement of phylogenies and taxonomy.
> Dylan
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