The Influence of Operational Sex Ratio on the Intensity of Competition for Mates

The evolution and maintenance of secondary sexual characteristics and behavior are heavily influenced by the variance in mating success among individuals in a population. The operational sex ratio (OSR) is often used as a predictor of the intensity of competition for mates, as it describes the relat...

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Veröffentlicht in:	The American naturalist 2011-02, Vol.177 (2), p.167-176
Hauptverfasser:	Weir, Laura K., Grant, James W. A., Hutchings, Jeffrey A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Aggression Animal and plant ecology Animal behavior Animal reproduction Animal, plant and microbial ecology Animals Biological and medical sciences Biological competition Biological Evolution Competition Competitive Behavior Contests Copulation Ecological competition Evolution Female Female animals Fundamental and applied biological sciences. Psychology General aspects Male Male animals Mating behavior Mating systems Sex Ratio Sexual behavior Sexual Behavior, Animal - physiology Sperm competition Spermatozoa Time Factors
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