Individual heterogeneity in foraging behaviour determines how individuals and populations respond to changes the availability distribution of resources. Antarctic krill Euphausia superba is a pivotal species Southern Ocean food webs an important target for fisheries. Changes its abundance could dramatically impact marine predators, with effects depending on extent which all rely as prey. The pe...

Seabirds are attracted to fishing vessels by the discard of waste from fishing. While this waste provides an available food source, seabirds foraging near vessels are at risk of either being caught or struck by the fishing gear. Within New Zealand waters, there were 212 seabirds observed killed by trawlers during the 2006–07 fishing year. Birds feeding on fishing waste behind trawlers may be st...