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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: Evidence of cascading ecosystem effects following the loss of white sharks from False Bay, South Africa
Evidence of cascading ecosystem effects following the loss of white sharks from False Bay, South Africa Open
This study provides empirical evidence of a trophic cascade following the loss of white sharks (Carcharodon carcharias) from False Bay, South Africa. Arrow thickness represents the relative strength of top-down predation effects (thicker a…
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: Acoustic tracking of a threatened juvenile shark species, the smooth hammerhead (Sphyrna zygaena), reveals vulnerability to exploitation at the boundary of a marine reserve
Acoustic tracking of a threatened juvenile shark species, the smooth hammerhead (Sphyrna zygaena), reveals vulnerability to exploitation at the boundary of a marine reserve Open
The coastal waters of South Africa are habitat to a diverse composition of sharks that are vulnerable to exploitation, many of which are endemic and/or classified by the International Union for Conservation of Nature (IUCN) Red List as Thr…
View article: Loss of an apex predator in the wild induces physiological and behavioural changes in prey
Loss of an apex predator in the wild induces physiological and behavioural changes in prey Open
Predators can impact prey via predation or risk effects, which can initiate trophic cascades. Given widespread population declines of apex predators, understanding and predicting the associated ecological consequences is a priority. When p…
View article: Survey results of white (Carcharodon carcharias) and sevengill sharks (Notorynchus cepedianus) at Seal Island in False Bay, South Africa between 2000 and 2018
Survey results of white (Carcharodon carcharias) and sevengill sharks (Notorynchus cepedianus) at Seal Island in False Bay, South Africa between 2000 and 2018 Open
This dataset is associated to the article “Disappearance of white sharks leads to the novel emergence of an allopatric apex predator, the sevengill shark” by Hammerschlag et al. (2018), published in Nature Scientific Reports, https://doi.o…