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Durham e-Theses
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Pre-copulatory guarding and the evolution of sexual size dimorphism in asellus aquaticus L

Pollitt, R.A.P (1983) Pre-copulatory guarding and the evolution of sexual size dimorphism in asellus aquaticus L. Masters thesis, Durham University.

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Abstract

Sexual selection and assortative mating are examined in two field populations of the fresh-water isopod Asellus aquaticus. The ability of males to carry the female in the pre-copula pair under adverse conditions was investigated experimentally, this ability was related to the weight of the female in the pair. The implications of female size as a loading constraint on males, the evolution of sexual size dimorphism and the significance of assortative mating are discussed.

Item Type:Thesis (Masters)
Award:Master of Science
Thesis Date:1983
Copyright:Copyright of this thesis is held by the author
Deposited On:15 May 2013 15:45

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