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The effects of white shark presence on the behaviour of Cape fur seals at Geyser Rock, Gansbaai, South Africa
Published 2014“…One exception to this is the study of white shark and seal interactions at coastal island rookeries, where white shark presence is seasonal, and seals exhibit marked behavioural differences between seasons. …”
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Biology, movement behaviour and spatial dynamics of an exploited population of smooth hound shark mustelus mustelus around a coastal marine protected area in South Africa
Published 2019“…Time spent inside the closed area and the number of crossings of its boundary was strongly influenced by season. Sharks concentrated inside the closed area during summer, while they were widely distributed throughout the study area during winter months. …”
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Movement ecology of the bronze whaler shark (carcharhinus brachyurus) in southern Africa
Published 2025“…Coastal marine ecosystems are functionally important for many species of shark including large wide-ranging species that occupy elevated trophic positions. …”
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Unravelling the mystery of the shark genus Mustelus in southern Africa using a multidisciplinary approach
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Aspects of population biology and behaviour of mobulid rays
Published 2024“…Aggregations in KZN were primarily related to surface feeding, with cleaning and courtship behaviours also documented. Chapter 5 analyses a 41-year catch dataset (1981-2021) provided by the KZN Sharks Board bather protection programme to investigate broad spatial-temporal trends in catch for manta rays (M. alfredi, M. birostris). …”
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Natural and human impacts on habitat use of coastal delphinids in the Mossel Bay area, Western Cape, South Africa
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Spatialised ecosystem modelling to evaluate the influences of marine protected areas and provisioning ecotourism on the foraging and distributional response of top predators from M...
Published 2025“…This consequently provides ideal conditions for commercial fishing, spatial management, and shark cage diving ecotourism that involves provisioning (attracting sharks to tourists); all of which have unknown implications regarding the behavioural and foraging response of top predators in the system. …”
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Instrumental conditioning and learning in Poroderma Pantherinum
Published 2017“…The results possibly have important implications for the understanding of learning and conditioning in Leopard catsharks and the likely anthropogenic threats caused through learned behaviour in benthic sharks.…”
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Investigating the appropriateness of consolidation loans to mitigate household over-indebtedness in South Africa
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