29-Oct-2019 1700
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Klein, Juliana Dunia (PhD)<br />
Ms Klein was born in Heidelberg (Germany), and holds an MSc in Biological<br />
Oceanography from Christian-Albrechts-University in Kiel. She enrolled for a PhD<br />
at the University of Johannesburg in 2016 and is currently conducting postdoctoral<br />
research at Stellenbosch University.<br />
In her doctoral study, Ms Klein studied the spotted ragged-tooth shark, Carcharius<br />
taurus. Population numbers of this top predator have been declining worldwide, and<br />
the South African population is believed to be the only one not at risk of extinction.<br />
However, little information on its population structure and demographic trends is<br />
available, and it remains vulnerable. Ms Klein used genetic data and tagging<br />
information to conclusively prove that females return to the sites where they were<br />
born to give birth. This behaviour has resulted in the formation of several distinct<br />
pupping grounds, and the protection of each of these will help to maintain the<br />
genetic health of the South African population. The candidate has presented her<br />
work at two local and 3 international conferences, and has published two peer<br />
reviewed journal articles.<br />
Supervisor: Prof PR Teske<br />
Co-supervisor: Dr A Bester-van der Merwe (Stellenbosch University)<br />
Co-supervisor: Dr M Dicken (KwaZulu-Natal Sharks Board)<br />
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