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SEMINAR: CWR Presents

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Today's date is Thursday, March 28, 2024
CWR Presents : Consistent abundance distributions of marine fishes in an old, climatically buffered, infertile seascape. Other events...
Macroecological theory predicts that along direct physiological gradients there will be unimodal abundance distributions of species and consistent rates of assemblage turnover. However, the majority of marine studies that have investigated the realised distribution of species along latitudinal or temperature gradients have generally found unimodal distributions to be rare.

We asses fish distributions along a temperature gradient in a stable oligotrophic seascape and suggest that unimodal distributions will be more common. The high diversity and percentage of endemic species in terrestrial and marine habitats of southwestern Australia is likely due to the stable geological and oceanographic history of the region.

In comparison, studies of abundance distribution in other marine systems have been conducted in relatively heterogeneous and productive environments. The old, climatically buffered, oligotrophic seascape of southwestern Australia has provided a simple system in which the consistent influence of physiological gradients on the abundance distribution of fish species can be observed.

short Bio,

Timothy Langlois is a research fellow in the School of Plant Biology and Oceans Institute at the University Western Australia, Perth.

His research examines continental-scale changes in macroecological patterns as revealed by analyses of non-destructive video surveys of fish assemblages and concurrent physical and biological time series. Tim also works within the West Australian Marine Science Institute to develop monitoring programmes to investigate changes in fish assemblages associated with environmental variation and human pressure.

PS* This seminar is free and open to the public & no RSVP required.

****All Welcome****

Speaker(s) Timothy Langlois, Research Fellow, Marine Science/Climate Change Oceans Institute & School of Plant Biology, The University of Western Australia
Location Blakers Lecture Room, Ground Floor, Mathematics Building, The University of Western Australia
Contact Askale Abebe <[email protected]> : 6488 7565
URL https://www.socrates.uwa.edu.au/Staff/StaffProfile.aspx?Person=TimothyLanglois
Start Wed, 17 Oct 2012 16:00
End Wed, 17 Oct 2012 17:00
Submitted by Askale Abebe <[email protected]>
Last Updated Fri, 12 Oct 2012 10:57
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