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A general individual-based fish community simulator is presented. The model tracks the daily feeding, growth, movement, reproduction, and mortality of individuals of up to six species for multiple generations in up to three spatial boxes. The version presented in this paper has been configured and calibrated for Lake Mendota, Wisconsin. Six species are followed: yellow perch, bluegill, white bass,...
Bifurcation analysis is presented for the dynamics of a nutrient-two-prey-predator bi-trophic food web in a chemostat. A simple model where food is converted into energy with a fixed efficiency is used. The available energy is used for maintenance and the rest for growth. The Holling type II functional response is used to model the ingestion rate of the prey consuming the nutrient as well as the predator...
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