Costs of breeding and their effects on the direction of sexual selection.

Proceedings. Biological Sciences
L W Simmons, C Kvarnemo

Abstract

A recent life-history model has challenged the importance of the operational sex ratio and the potential reproductive rates of males and females as the factors most important for the control of sexual selection, arguing that the cost of breeding, interpreted as the probability of dying as a consequence of the current breeding attempt, is the single most important factor that best predicts a mating system. In one species of bushcricket, the mating system can be reversed by resource manipulation. Here, we examine the costs of breeding in this system. Consistent with the model, increased costs of breeding can explain female competition and increased male choosiness under resource limitation. However, this is due to differences in the time required for a breeding attempt, rather than differences in breeding mortality which did not differ between the sexes. In general, males lived longer than females and we discuss the possible reasons behind this pattern of sex-biased non-breeding mortality.

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Citations

Nov 29, 2013·Proceedings. Biological Sciences·Lindsay C Young, Eric A VanderWerf
Dec 22, 2007·Science·Tim Clutton-Brock
Aug 17, 2010·Hormones and Behavior·Charlyn PartridgeAdam G Jones
May 9, 2008·Journal of Evolutionary Biology·Hanna Kokko, Michael D Jennions
Dec 11, 2007·Evolution; International Journal of Organic Evolution·Megan L HeadRobert Brooks
Nov 24, 2007·Journal of Evolutionary Biology·C DoutrelantP Perret
Feb 19, 2008·Ecology Letters·Patrick S Fitze, Jean-François Le Galliard
Feb 18, 2009·Journal of Evolutionary Biology·M D HallR Brooks
Aug 26, 2009·Evolution; International Journal of Organic Evolution·Suegene Noh, Charles S Henry
Nov 20, 2016·The Journal of Animal Ecology·Jeffrey A Manning, Philip D McLoughlin
Jun 30, 2019·Archives of Suicide Research : Official Journal of the International Academy for Suicide Research·F R MooreT Roy
Nov 8, 2018·Current Zoology·Katja Heubel, UNKNOWN Handling editor: Ingo Schlupp

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