Browsing by Subject "Prey abundance"

Now showing items 1-2 of 2

Decomposing the variance in southern elephant seal weaning mass : partitioning environmental signals and maternal effects

Oosthuizen, Wessel Christiaan; Bester, Marthan Nieuwoudt; Altwegg, Res; McIntyre, Trevor; De Bruyn, P.J. Nico (Ecological Society of America, 2015-08)

Predator populations are likely to respond to bottom-up processes, but there remains limited understanding of how wide-ranging marine predators respond to environmentally driven temporal variation in food availability.Widespread ...
Seasonal fission and fusion of killer whale, Orcinus orca, social structure at sub-Antarctic Marion Island

Jordaan, Rowan Keith; Reisinger, Ryan Rudolf; Oosthuizen, Wessel Christiaan; De Bruyn, P.J. Nico (Elsevier, 2021-07)

Variation in the distribution and abundance of food resources are key factors affecting animal sociality. In environments with variable resources, dynamic social organization, such as the fission and fusion of groups, is ...

Search UPSpace