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. 2014 Feb 28;9(2):e88773. doi: 10.1371/journal.pone.0088773

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© 2014 Cressman et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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The first level gives the prey encounter distribution. The second level gives the predator activity distribution. The final row of the diagram gives the probability of each predator activity event and so sum to . Since each entry here is simply the product of the probabilities along the path leading to this endpoint, we do not provide them in the decision trees from now on. With random prey distribution and large, and . If prey is the more profitable type, the edge in the decision tree corresponding to not attacking this type of prey is never followed at optimal foraging (indicated by the dotted edge in the tree). The reduced tree is then the resulting diagram with this edge removed.

Inline graphic — The first level gives the prey encounter distribution. The second level gives the predator activity distribution. The final row of the diagram gives the probability of each predator activity event and so sum to . Since each entry here is simply the product of the probabilities along the path leading to this endpoint, we do not provide them in the decision trees from now on. With random prey distribution and large, and . If prey is the more profitable type, the edge in the decision tree corresponding to not attacking this type of prey is never followed at optimal foraging (indicated by the dotted edge in the tree). The reduced tree is then the resulting diagram with this edge removed.