Article,

Disturbance, coexistence, history, and competition for space

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Theoretical Population Biology, 18 (3): 363-373 (1980)
DOI: https://doi.org/10.1016/0040-5809(80)90059-3

Abstract

A simple model to elucidate the effect of disturbance on a large number of competitors that compete for space and exhibit a competitive hierarchy is developed. Conditions are derived that determine presence of species, and diversity is calculated as a function of percentage cover. The model is compared to data from coral reefs collected by J. W. Porter (1974, Science 186, 543–545). Using parameter values in the model that allow a fit to Porter's data, the response of an individual species to changes in disturbance becomes quite complex, depending on the position (odd or even) of the species in the competitive hierarchy. For these same parameter values, the system is interactive: the existence of a particular species may effect the presence of another. Different parameter values would lead to a noninteractive system.

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