Nest-site fidelity in parental male bluegill Lepomis macrochirus: spatial patterns and the influence of prior mating success

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Abstract:

A 4 year mark–recapture study examined the pattern of nesting site fidelity of parental-type male bluegill Lepomis macrochirus. The study results indicated that iteroparous male L. macrochirus choose new nest sites near their own previously used sites. The scale of site fidelity varied, but generally males choose to renest within shoreline areas rather than specific or exact nest locations (94% within-year, 86% among-years). Iteroparous males also displayed no preference to nest in proximity to neighbouring males from previous colonies to suggest social fidelity. Contrary to expectation, manipulating males' reproductive success had no significant effect on the pattern or scale of male reproductive site fidelity.

Keywords: dispersal; mating success; philopatry

Document Type: Regular Paper

DOI: http://dx.doi.org/10.1111/j.1095-8649.2010.02724.x

Affiliations: School of Integrative Biology, 286 Morrill Hall, 505 S. Goodwin Avenue, University of Illinois, Urbana, IL 61801, U.S.A.

Publication date: September 1, 2010

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