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Timor as a reality-check for Australian biogeography

 

800px-Timor-Leste Coastline

Timor-Leste coastline photo © Graham Crumb

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Timor-Leste coastline photo © Vimeo

 

Picture1Map showing the relative locations of Timor-Leste and Australia photo © Wikimedia Commons

 

 
Proboscideans, land tortoises and fungus-growing termites, all of which repeatedly crossed sea barriers from southeast Asia, reached as close to Australia as the Indonesian island of Timor – an edge of the Australian tectonic plate uplifted from the sea. Although  the final strait between Timor and the continental shelf has always remained wider than 80 kilometres, these animals may in fact have reached Australia and failed there for ecological reasons. This is because Timor is unlike Australia or New Guinea in offering nutritionally balanced substrates in the form of eroding slopes of shale.

 

Robin and the Honey Badger, 22 March 2016

 

Photographs:

Steep slopes of Timor-Leste

 

Additional reading:

Geology and Soils in Timor-Leste

 

                                            

 

                                          

 

 

i.e. more intensely pigmented than the normal colour-morp
Last modified on 07 September 2016

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