Increasing complexity can increase stability in a self-regulating ecosystem

Dyke, James, McDonald-Gibson, Jamie, Di Paolo, Ezequiel and Harvey, Inman (2007) Increasing complexity can increase stability in a self-regulating ecosystem. In: Proceedings of European Conference on Artificial Life, 2007, Lisbon.

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Abstract

A long standing debate within ecology is to what extent ecosystem complexity and stability are related. Landmark theoretical studies claimed that the more complex an ecosystem, the more unstable it is likely to be. Stability in an ecosystems context can be assessed in different ways. In this paper we measure stability in terms of a model ecosystems ability to regulate environmental conditions. We show how increasing biodiversity in this model can result in the regulation of the environment over a wider range of external perturbations. This is achieved via changes to the ecosystems resistance and resilience. This result crucially depends on the feedback that the organisms have on their environment.

Item Type: Conference or Workshop Item (Paper)
Schools and Departments: School of Engineering and Informatics > Informatics
Depositing User: James Dyke
Date Deposited: 06 Feb 2012 19:54
Last Modified: 13 Apr 2012 10:52
URI: http://sro.sussex.ac.uk/id/eprint/22911
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