[Taxacom] Help on a literature reference
rjensen at saintmarys.edu
Mon Mar 17 11:47:10 CDT 2008
In which case, I would vote for conserving the area with 50 or more
clades with one or two species each than rather than one clade with 100
species. Why would we want a world overrun with lobelioids?
Richard Jensen, Professor
Department of Biology
Saint Mary’s College
Notre Dame, IN 46556
Thomas G. Lammers wrote:
> At 09:32 AM 3/17/2008, Jody Haynes wrote:
>> That is an interesting concept. Out of curiosity, how does one go about
>> estimating the overall speciation rate of one region compared to another,
>> and is this actual or potential speciation?
> I haven't seen the article in question. I suspect they are thinking that
> there's two ways for a region to have high diversity: lots of lineages, or
> a few lineages that have proliferated there. For example, the Lobelioideae
> in Hawaii are well over 100 species but represent a single clade. That
> would "count for more" that 100 species representing 50 or more independent
> Thomas G. Lammers, Ph.D.
> Associate Professor and Curator of the Herbarium (OSH)
> Department of Biology and Microbiology
> University of Wisconsin Oshkosh
> Oshkosh, Wisconsin 54901-8640 USA
> e-mail: lammers at uwosh.edu
> phone: 920-424-1002
> fax: 920-424-1101
> Plant systematics; classification, nomenclature, evolution, and
> biogeography of the Campanulaceae s. lat.
> "Today's mighty oak is yesterday's nut that stood his ground."
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