Water Dragons - Talk

To: <>
Subject: Water Dragons - Talk
From: "Jack and Andrea Holland" <>
Date: Thu, 22 Feb 2007 19:57:24 +1000
Subscribers may be interested in attending this talk about gender determination, incubation and climate change.
Jack Holland


Water dragons

Sean Doody


8:00 pm Australian National University

Field Naturalists Assoc of Canberra- Meeting details below



Sean is a research officer at the University of Canberra with an interest in evolutionary ecology, physiological ecology and conservation biology of reptiles and amphibians. 


His talk relates to a project undertaken throughout 2003-05 set out to determine by what mechanisms do water dragons adjust their offspring sex ratios during range expansion and climate change. Results (including those from ANBG) showed that the pivotal temperature (the incubation temperature that divides the offspring sexes) is not adjusted to produce viable sex ratios throughout various climates, but rather lizards adjusted sex ratios by nesting in areas with different canopy openness indices.


Field Naturalists Monthly meeting venue: Division of Botany and Zoology, Building 116, Daley Rd, Australian National University (Opposite Burton and Garran). Meetings start at 8 pm and are followed by refreshments.



Next month we have a speaker on a very hot subject. Dr Andrew Glikson, an Earth Scientist in the Australian National University, will talk about "Planet H/eaters - a global warning" when he will explore the nature and origin of the current climate change including the consequences of anthropogenic combustion of the carbon products of more than 400 million years of biological evolution.


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