Shearwaters and petrels (hereafter petrels) are highly adapted seabirds that occur across all
the world's oceans. Petrels are a threatened seabird group comprising 124 species. They …

Penguins face a wide range of threats. Most observed population changes have been
negative and have happened over the last 60 years. Today, populations of 11 penguin …

Climate change and other human activities are causing profound effects on marine
ecosystem productivity. We show that the breeding success of seabirds is tracking …

We reviewed 140 papers to assess the ecological effectiveness of South Africa's marine
protected areas (MPAs). Evidence was assessed for coverage and representivity, protection …

Fishery demand for Antarctic krill is increasing, and projected to continue increasing into the
future. Krill has the potential to contribute approximately 10% to all future marine landings …

The pelagic fisheries beyond the continental shelves are currently managed with a range of
tools largely based on regulating effort or target catch. These tools comprise both static and …

Understanding changes in abundance is crucial for conservation, but population growth
rates often vary over space and time. We use 40 years of count data (1979–2019) and …

In a scientifically-transformative project, South Africa implemented a decade-long field
experiment to understand how fisheries may be affecting its most iconic seabird, the African …

Forage fish—small, low trophic level, pelagic fish such as herrings, sardines, and anchovies—
are important prey species in marine ecosystems and also support large commercial …

Seabirds are one of the most threatened avian taxa and are hence a high conservation
priority. Managing seabirds is challenging, requiring conservation actions at sea (eg Marine …