Abstract Antarctic and Southern Ocean (ASO) marine ecosystems have been changing for at
least the last 30 years, including in response to increasing ocean temperatures and changes …

Identifying priority areas for marine vertebrate conservation is complex because species of
conservation concern are highly mobile, inhabit dynamic habitats and are difficult to monitor …

The Scotia Sea ecosystem is a major component of the circumpolar Southern Ocean system,
where productivity and predator demand for prey are high. The eastward-flowing Antarctic …

Colonial seabirds are relatively easy to observe, count, measure and manipulate, and
consequently have long been used as models for testing ecological hypotheses. A …

Considerable attention has focused on inter-and intraspecific variation in trophic niches of
marine predators. Although this has revealed evidence for sexual segregation in distribution …

Antarctic krill is a cold water species, an increasingly important fishery resource and a major
prey item for many fish, birds and mammals in the Southern Ocean. The fishery and the …

Environmental and anthropogenic factors often drive population declines in top predators,
but how their influences may combine remains unclear. Albatrosses are particularly …

The pelagic food web of the Scotia Sea was studied by analysing natural abundances of
nitrogen and carbon stable isotopes of primary producers and pelagic consumers, sampled …

Patagonian toothfish (Dissostichus eleginoides) is a large notothenioid fish that supports
valuable fisheries throughout the Southern Ocean. D. eleginoides are found on the southern …

Abstract “Deep-sea” cephalopods are here defined as cephalopods that spend a significant
part of their life cycles outside the euphotic zone. In this chapter, the state of knowledge in …