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The population dynamical implications of male-biased parasitism in different mating systems.

Miller, Martin R. and White, Andrew and Wilson, Kenneth and Boots, Michael (2007) The population dynamical implications of male-biased parasitism in different mating systems. PLoS ONE (e624).

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Abstract

Although there is growing evidence that males tend to suffer higher levels of parasitism than females, the implications of this for the population dynamics of the host population are not yet understood. Here we build on an established ‘two-sex’ model and investigate how increased susceptibility to infection in males affects the dynamics, under different mating systems. We investigate the effect of pathogenic disease at different case mortalities, under both monogamous and polygynous mating systems. If the case mortality is low, then male-biased parasitism appears similar to unbiased parasitism in terms of its effect on the population dynamics. At higher case mortalities, we identified significant differences between male-biased and unbiased parasitism. A host population may therefore be differentially affected by male-biased and unbiased parasitism. The dynamical outcome is likely to depend on a complex interaction between the host's mating system and demography, and the parasite virulence.

Item Type: Article
Journal or Publication Title: PLoS ONE
Subjects: Q Science > QH Natural history > QH301 Biology
Departments: Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 13245
Deposited By: Dr Kenneth Wilson
Deposited On: 15 Sep 2008 10:59
Refereed?: Yes
Published?: Published
Last Modified: 29 Sep 2016 12:08
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/13245

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