Tahneal Hawke

Tahneal Hawke

Contact details: t.hawke@unsw.edu.au

Office: Biological Sciences South (E26), Lvl 5 East

PhD research:
My research is focused on assessing long-term changes in platypus populations and the current impacts of river regulation on platypus population dynamics. I am particularly interested in the use of historical records for monitoring long-term population fluctuations and to highlight inter-generational data loss and the resulting shifting baselines of abundance.
To assess the impacts of river regulation on platypus population dynamics I have been surveying populations along the Thredbo, Eucumbene and Snowy Rivers in the Snowy Mountains. My research attempts to determine differences in population dynamics, dietary composition and morphology/health above and below the dams and between rivers. I am also monitoring adult and juvenile dispersal along the Snowy River using acoustic telemetry, with a particular focus on how the spring flushing flow releases from the Jindabyne dam impacts downstream populations and the potential consequences to juvenile emergence. Comparative surveys will also be conducted along the regulated Mitta Mitta River and unregulated Ovens River in Victoria.

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