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EIA Database

Searching for prey in a three-dimensional environment: hierarchical movements enhance foraging success in northern elephant seals

2016
Open Access Peer Reviewed Publication

Functional Ecology

Adachi, T., D. P. Costa, P. W. Robinson, S. H. Peterson, M. Yamamichi, Y. Naito, and A. Takahashi

1. Foraging theory predicts that predators adjust their movements according to the spatial distribution of prey. Since prey is often patchily distributed, area-restricted search (ARS) behaviour,...
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Keywords: Area-restricted search, Bio-logging, Foraging behaviour, Hierarchical patch system, Lévy walk, Marine predator, Scale-dependent movement, Three-dimensional movement

Blue whales respond to simulated mid-frequency military sonar

2013
Open Access Peer Reviewed Publication

Proceedings of the Royal Society B: Biological Sciences

Goldbogen J.A., Southall B.L., DeRuiter S.L., Calambokidis J., Friedlaender A.S., Hazen E.L., Falcone E.A., Schorr G.S., Douglass A., Moretti D.J., Kyburg C., McKenna M.F., Tyack P.L.

Mid-frequency military (1–10 kHz) sonars have been associated with lethal mass strandings of deep-diving toothed whales, but the effects on endangered baleen whale species are virtually...
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Keywords: Bio-logging, Blue whale, Foraging, Military sonar, Sensory ecology, Underwater noise