Endurance in excercise is associated with courtship call rate in decorated cricket, Gryllodes sigillatus
Ketola, T., Kortet, R., & Kotiaho, J. S. (2009). Endurance in excercise is associated with courtship call rate in decorated cricket, Gryllodes sigillatus. In Journal of Evolutionary Biology (11, pp. 1131-1139). Evolutionary Ecology Research.
Julkaistu sarjassa
Evolutionary Ecology ResearchPäivämäärä
2009Oppiaine
Ekologia ja evoluutiobiologiaEvoluutiotutkimus (huippuyksikkö)Ecology and Evolutionary BiologyCentre of Excellence in Evolutionary ResearchTekijänoikeudet
© 2009 Tarmo Ketola
Question: Is sexual signalling (courtship call rate) determined by physiological fitness
(energy metabolism at rest), endurance during physically demanding activity, an aspect of
immune defence (lytic activity) or body mass?
Organism: Pedigree laboratory population of decorated crickets (Gryllodes sigillatus).
Methods: Behavioural trial of male courtship call rate and measurements of males’
physiological performance. Covariance analysis exploring the determinants of courtship
call rate.
Results: We found that endurance was strongly positively associated with the courtship call
rate. However, neither the lytic activity nor the resting metabolic rate correlated with courtship
call rate. Together with body mass and family effects, endurance explained over 77% of the
variance in courtship call rate. Hence, only physically fit individuals can perform sexual displays
well.
Kuuluu julkaisuun
Journal of Evolutionary BiologyISSN Hae Julkaisufoorumista
1937-3791Asiasanat
Julkaisu tutkimustietojärjestelmässä
https://converis.jyu.fi/converis/portal/detail/Publication/18965047
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