Understanding multiple species ecosystem dynamics using a consumer resource model
Collins, Obiora Cornelius
Duffy, Kevin Jan
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Most ecological systems comprise multiple species coex-isting and the dynamics of these multiple species can be important for understanding, management, and conservation. One method to study such ecological system dynamics is the use of heterogeneous models. Here we for-mulate and analyze a multiple species (n patches or groups) consumer re-source model. Initial insights are gained by analyzing the special cases n =1 and n = 2. A threshold consumption number C0 is used to investigate system stability and hence the long-term dynamics of the system. It is shown how this threshold consumption number can measure the eﬀects and extent of multiple species coexistence in the system.
Collins, O.C. and Duffy, K.J. 2016. Understanding multiple species ecosystem dynamics using a consumer resource model. Natural Resource Modeling. 29(1): 145-158.