Evolution in a host-parasite system

Reference:

Britton, N. F., 2009. Evolution in a host-parasite system. In: Mondaini, R. P., ed. Biomat 2008: International Symposium on Mathematical and Computational Biology. World Scientific, pp. 157-169.

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http://ebooks.worldscinet.com/ISBN/9789814271820/9789814271820.html

Abstract

Some organisms employ multiple defence strategies against their enemies, while others fail to employ a defence that seems obvious. We shall investigate three questions for host-parasite systems. (1) Under what circumstances does it pay for a host to employ a given defence strategy against one of its parasites? (2) If alternative strategies are available, how is the appropriate strategy chosen? (3) When is it appropriate to employ multiple defence strategies against all enemy? We shall illustrate our results in two cases of brood parasites and their hosts. The paper by Britton et al. (2007) contains more background details on the basic model and the analysis but the extensions to the model and some of the results are new.

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