Informace o publikaci

Resource availability, mating opportunity and sexual selection intensity influence the expression of male alternative reproductive tactics

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GISHLANDI Paolo PEKÁR Stanislav MATZKE Magdalena SCHULTE-DOEINGHAUS Sarah BILDE Trine TUNI Cristina

Rok publikování 2018
Druh Článek v odborném periodiku
Časopis / Zdroj JOURNAL OF EVOLUTIONARY BIOLOGY
Fakulta / Pracoviště MU

Přírodovědecká fakulta

Citace
www http://dx.doi.org/10.1111/jeb.13284
Doi http://dx.doi.org/10.1111/jeb.13284
Klíčová slova Araneae; mating; gift
Popis The expression of alternative reproductive tactics can be plastic and occur simultaneously depending on cues that vary spatially or temporally. For example, variation in resources and sexual selection intensity is expected to influence the pay-off of each tactic and shape the decision of which tactic to employ. Males of the nuptial gift-giving spider Pisaura mirabilis can adopt three tactics: offering a genuine prey gift, a worthless' non-nutritious gift or no gift. We hypothesized that resources and/or male body condition, and mating opportunity and sexual selection intensity, vary over the course of the mating season to shape the co-existence of alternative traits.

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