[Taxacom] myth making in biogeography

Anthony Gill gill.anthony at gmail.com
Sun Apr 19 18:21:27 CDT 2015

Thanks John.

On Mon, Apr 20, 2015 at 1:30 AM, John Grehan <calabar.john at gmail.com> wrote:

> For those interested in the history of biogeography, particularly as it
> pertains to the establishment of current practices I would suggest reading
>  Heads 2014. Biogeography by revelation: investigating a world shaped by
> miracles. Australian Systematic Botany, 2014, *27*, 282–304. This article
> provides an outline of how both the development and constitution of modern
> biogeography is widely based on the development of a mythology as
> exemplified by De Queiroz’s recent book. In this article Heads outlines and
> falsifies seven principle myths that are widely accepted as real by
> dispersalist biogeographers. Hopefully there are at least some students
> reading this posting who are willing to take a critical look for themselves
> rather than just parrot what they have heard:
> 1.     The myth that panbiogeography ignores critical evidence
> 2.     The myth that vicariance theory was dominant in the 1970s–1990s
> 3.     The myth that fossils and fossil-calibrated molecular clocks provide
> maximum possible ages of clades
> 4.     The myth that vicariance theory rejects the fossil record and clock
> dates
> 5.     The myth that DNA sequences ‘reveal’ long-distance dispersal
> 6.     The myth that distribution is chaotic
> 7.     The myth that chance dispersal can generate repeated patterns
>  Heads’ article also provides a commentary on the islands of São Tomé and
> Príncipe in relation to their tectonic context (and implications for their
> amphibians), and the islands of Madagascar, Seychelles, and New Zealand
> (including the Chatham Islands and Hikurangi Plateau), New Caledonia, and
> Hawaiian Islands, Norfolk Island,  Falkland Islands, and *Fernando de
> Noronha*
> John Grehan
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Dr Anthony C. Gill
Natural History Curator
A12 Macleay Museum
University of Sydney
NSW 2006

Ph. +61 02 9036 6499

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