Growling Grass Frog Metapopulations

Growling Grass Frog metamorph (photo: Geoff Heard)

The Growling Grass Frog (Litoria raniformis) is a great example of a species that can be modelled as a metapopulation. The dynamics of Growlers (as they seem to be known to those who study them) seem to be dominated by relatively frequent extinction and re-colonization of wetlands depending on their condition and arrangement.

Geoff Heard, who presented today’s lecture on metapopulations in Environmental Modelling, has been studying Growlers for years, particularly around Melbourne where they are threatened by urban development. You can learn a little more about them at Geoff’s website.

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