Evolutionary Ecology by Eric R. Pianka

Author:Eric R. Pianka
Language: eng
Format: epub, pdf

Figure 13. 1. Niche relationships among members of competitive communities are usually modeled with bell-shaped utilization curves along a resource spectrum such as height above ground or prey size. Among the seven hypothetical species shown, those toward the tails have broader utilization curves because their resources renew more slowly. In such an assemblage, consumers are at equilibrium with their resources and the rate of resource consumption is equal to the rate of renewal along the entire resource gradient.

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