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Lake Superior Food Web Dynamics: Modeling at Multiple Scales
Trophic interactions occur at multiple scales, ranging from predator-prey interactions that govern population dynamics and community structure to daytime-nighttime vertical and horizontal migrations that regulate the daily feeding activity and growth rates of individual aquatic species. This continuing project will develop a model to assess diel changes in predator-prey encounters as a function of time of day, depth, and nearshore versus offshore habitats. Complementing a Minnesota Sea Grant study, this work is novel in developing the first simulation model of diel changes in predator-prey relationships specific to the Lake Superior food web.
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