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View article: White sharks under threats in South Africa: a call for precautionary management action
White sharks under threats in South Africa: a call for precautionary management action Open
South Africa was the first country to protect white sharks Carcharodon carcharia s —an important decision taken despite limited data on population status, but guided by a precautionary approach in recognition of the species’ ecological and…
View article: The effectiveness of the semi‐automated Identifin software to accurately fast‐track dorsal fin photographic identifications of sharks
The effectiveness of the semi‐automated Identifin software to accurately fast‐track dorsal fin photographic identifications of sharks Open
For some marine species, photo‐identification (photo‐ID) data can be used to generate population estimates critical for conservation efforts. For the white shark ( Carcharadon carcharias ), different photo‐ID methods have been proposed: (1…
View article: “Uncertainty remains for white sharks in South Africa, as population stability and redistribution cannot be concluded by Bowlby et al. (2023): “Decline or shifting distribution? a first regional trend assessment for white sharks (Carcharodon carcharias) in South Africa”
“Uncertainty remains for white sharks in South Africa, as population stability and redistribution cannot be concluded by Bowlby et al. (2023): “Decline or shifting distribution? a first regional trend assessment for white sharks (Carcharodon carcharias) in South Africa” Open
Bowlby et al. (2023) assessed spatio-temporal trends in South Africa’s white shark (Carcharodon carcharias) population using a range of different proxies of white shark occurrence. The authors concluded that, despite significant declines i…
View article: A systematic conservation plan identifying critical areas for improved chondrichthyan protection in South Africa
A systematic conservation plan identifying critical areas for improved chondrichthyan protection in South Africa Open
The International Union for Conservation of Nature (IUCN) estimates that over a third of all chondrichthyan species (sharks, rays and chimaeras) are threatened with extinction, primarily by overfishing (as target or bycatch species). Owing…
View article: Effective number of white shark (<i>Carcharodon carcharias,</i> Linnaeus) breeders is stable over four successive years in the population adjacent to eastern Australia and New Zealand
Effective number of white shark (<i>Carcharodon carcharias,</i> Linnaeus) breeders is stable over four successive years in the population adjacent to eastern Australia and New Zealand Open
Population size is a central parameter for conservation; however, monitoring abundance is often problematic for threatened marine species. Despite substantial investment in research, many marine species remain data‐poor presenting barriers…
View article: Effective number of white shark (Carcharodon carcharias, Linneaus) breeders is stable over four successive years in the population adjacent to eastern Australia and New Zealand
Effective number of white shark (Carcharodon carcharias, Linneaus) breeders is stable over four successive years in the population adjacent to eastern Australia and New Zealand Open
Population size is a central parameter for conservation, however monitoring abundance is often problematic for threatened marine species. Despite substantial investment in research, many marine species remain data-poor resulting in uncerta…