The Role of Non-Genetic Change in the Heritability, Variation, and Response to Selection of Artificially Selected Ecosystems

Penn, Alexandra and Harvey, Inman (2004) The Role of Non-Genetic Change in the Heritability, Variation, and Response to Selection of Artificially Selected Ecosystems. In: Proceedings of the Ninth International Conference on the Simulation and Synthesis of Living Systems, ALIFE'9., Bostan, MA, USA.

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Abstract

A response to selection on the level of the ecosystem has been demonstrated in artificial selection experiments, and poses interesting challenges to concepts of heritability, variation and phenotype in biological systems. We use ecosystems modeled as Lotka-Volterra competition systems, and subject to an ecosystem-level selection process, to illustrate and discuss the potential, and possible mechanisms, for ecosystem-level evolution without genetic change of the component species. A limited positive response to selection is demonstrated by the selection of alternative stable ecosystem states.

Item Type: Conference or Workshop Item (Paper)
Schools and Departments: School of Engineering and Informatics > Informatics
Depositing User: Inman Harvey
Date Deposited: 06 Feb 2012 19:22
Last Modified: 12 Apr 2012 13:56
URI: http://srodev.sussex.ac.uk/id/eprint/20292
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