[Taxacom] Dispersal example

[Curtis Clark]

On 2014-04-17 4:26 PM, John Grehan wrote:
> ...dispersalist have
> for a long time asserted that chance dispersal can account for any
> distribution.

Thus dispersal cannot be falsified. It only serves as an explanation 
when all falsifiable alternatives have been falsified. IMO 
panbiogeography has a lot of unnecessary baggage (orthogenesis being a 
major one), but this part makes sense.

-- 
Curtis Clark        http://www.csupomona.edu/~jcclark
Biological Sciences                   +1 909 869 4140
Cal Poly Pomona, Pomona CA 91768