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Understorey: A Tale of Two Species

Wednesday 25th September / presented by Elizabeth PO’ Adrian Glamorgan

Unlike other land snails from the Rhagada genus from the West Australian mainland and from other islands, Dampier Archipelago land snails off the North West vary greatly in shell size, shape and sculpture.

Danielle Bowler asks Dr Sean Stankowski from the School of Animal Biology at UWA  how these patterns of evolutionary diversification have come about in the Dampier Archipelago Rhagada.  What can they tell us about how we define species?

What is the role of top predators in sustaining biodiversity in Australian ecosystems? Recent research throughout the world has shown that large predators like wolves and big cats are crucial to the functioning of ecosystems. Could the health of the South West ecosystem be restored by a different strategy towards dingoes?  And given that until recently the Tasmanian Devil (endangered in Tasmania) was an endemic South West species – should we consider reintroducing it into the South West as an apex predator?

Tom Wilson speaks to Professor Christopher Johnson, Wildlife Conservation researcher and  ARC Australian Professorial Fellow at University of Tasmania

Unlike other land snails from the Rhagada genus from the West Australian mainland and from other islands, Dampier Archipelago land snails off the North West vary greatly in shell size, shape and sculpture.

Danielle Bowler asks Dr Sean Stankowski from the School of Animal Biology at UWA  how these patterns of evolutionary diversification have come about in the Dampier Archipelago Rhagada.  What can they tell us about how we define species?

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