Assortative pairing by parasitic prevalence in Gammarus insensibilis (Amphipoda): patterns and processes
Article Abstract:
The mating patterns of hosts are known to be influenced by the presence of parasites. Parasites reduce the sexual competitiveness of hosts by reducing their sexual attractiveness. Experiments conducted on Gammarus insensibilis showed that males are capable of discriminating between females infected and not infected with the Microphallus papillorobustus parasite. However, most males tended to make mate choices on the basis of time left to moult in situations were vertical segregation is non-existent.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1996
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Micro-habitat segregation and the mating system of Gammarus pulex
Article Abstract:
It is refuted that micro-habitat segregation of animals of variable sizes has an important role in the mating system of Gammarus pulex. The reason for doing so is the questionable parameters being used. It must be emphasized that the simulation strives to reproduce the important features of the G. pulex mating system as observed in the field, and the field data used are extensive. Lastly, the general approach used is holistic, and no attempts are made in isolating particular features.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1993
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The relative roles of habitat structure and male-male competition in the mating system of Gammarus pulex (Crustacea; Amphipoda): a simulation study
Article Abstract:
The mating system of Gammarus pulex is simulated by taking into account the natural pairing behavior. Results show that fine-scaled habitat structure is the dominant factor in the mating pattern of G. pulex. Moreover, direct male-male competition and variable mobility of different-sized males are secondary, but statistically significant, factors. Lastly, the degree of large-male advantage is also affected by habitat structure.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1993
User Contributions:
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