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Title
Life at the top. Lake ecotype influences the foraging pattern, metabolic costs and life history of an apex fish predator
Author(s)
Cruz‐Font, L.
, Shuter, B.J., Blanchfield, P.J., Minns, C.K., and Rennie, M.D. 2019.
Published
2019
Publisher
Journal of Animal Ecology 88, 702-716
Abstract
Using acoustic telemetry data and acceleration sensors, the authors compared the metabolic costs of lake trout between four populations in lakes with varying types of prey. They determined that lake trout feeding behaviour was characterized by clearly delineated periods of active hunting and rest. Populations with prey that were smaller or more difficult to catch had fewer resting periods and expended more energy during active periods.
Keywords
acceleration telemetry; activity costs; metabolism in wild animals; predator bioenergetics; prey and predator
Full Citation
Liset Cruz‐Font, Brian J. Shuter, Paul J. Blanchfield, C. Ken Minns, Michael D. Rennie. 2019. Life at the top: Lake ecotype influences the foraging pattern, metabolic costs and life history of an apex fish predator. Journal of Animal Ecology: https://doi.org/10.1111/1365-2656.12956
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