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Professor P.J. Nico de Bruyn completed his undergraduate studies at the University of Pretoria and began research activities in 2001. He served as a full-time academic staff member at the University of Pretoria from 2010 until his resignation in February 2025, during which time he held the position of Full Professor in the Mammal Research Institute of the Department of Zoology and Entomology. His academic qualifications include an MSc focused on the diet of Cape fur seals off the Namibian coast and a PhD on the population demographics of southern elephant seals at Marion Island.
De Bruyn’s research centers on large mammal ecology, with a primary emphasis on marine mammals since 2003. He has led the Marion Island Marine Mammal Programme, a long-term multidisciplinary initiative spanning over 40 years that examines how intrinsic and extrinsic factors influence individual responses and population dynamics in changing environments, including climate-related drivers. Key interests include demographic drivers in mammalian populations, individual heterogeneity, interactions between killer whales and seals in the Southern Ocean, and the application of photogrammetry in field research. He has participated in multiple expeditions to sub-Antarctic and Antarctic islands and contributed to conservation policy through his work on pinniped populations and related ecological topics.
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Discover how Southern elephant seals in South Africa achieved Least Concern status on the 2025 Mammal Red List due to 29% population growth. Explore research from University of Pretoria and key factors behind this marine mammal recovery.
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