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EIA Database

Evaluating gain functions in foraging bouts using vertical excursions in northern elephant seals

2017
Pay-walled Peer Reviewed Publication

Animal Behaviour

Ferraro, M. S., R. R. Decker, D. P. Costa, P. W. Robinson, D. S. Houser, and D. E. Crocker

The marginal value theorem models patch departure decisions for foraging animals when resources are unevenly distributed. A key component of these models is the decelerating energy...
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Keywords: Gain function, Marine predator, Optimal foraging, Patch residence, Phocid

Whisker growth dynamics in two North Pacific pinnipeds: implications for determining foraging ecology from stable isotope analysis

2016
Pay-walled/Intertek link Peer Reviewed Publication

Marine Ecology Progress Series

McHuron EA, Walcott SM, Zeligs J, Skrovan S, Costa DP, Reichmuth C

Stable isotope analysis (SIA) of whiskers is increasingly used to investigate the foraging ecology of pinnipeds. An understanding of whisker growth dynamics is lacking for most...
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Keywords: Foraging behavior, Growth rate, Otariid, Phocid, Vibrissae

Effect of construction-related activities and vessel traffic on marine mammals

2016
Open Access Peer Reviewed Publication

Marine Ecology Progress Series

Culloch, R. M., Anderwald, P., Brandecker, A., Haberlin, D., McGovern, B., Pinfield, R., Visser, F., Jessopp, M. and Cronin, M.

During the construction of a gas pipeline from an offshore gas field in northwest Ireland, a year-round shore-based marine mammal monitoring programme was undertaken. Using 6...
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Keywords: Anthropogenic noise, Cumulative impact, Dredging, Marine mammal observer, Mysticete, Odontocete, Phocid, Seismic survey, Sonar