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| Content Provider | Springer Nature Link |
|---|---|
| Author | Gyulavári, Hajnalka Anna Therry, Lieven Dévai, György Stoks, Robby |
| Copyright Year | 2014 |
| Abstract | We have limited knowledge on the mechanistic base of sexual selection, especially in scrambling species. This asks for a functional approach that explores the link between each component of the phenotype-performance-fitness axis and that includes both morphological and physiological traits. We explored the phenotype-performance-fitness axis in the scrambling damselfly Coenagrion puella by studying the links between a set of physiological and morphological traits, flight performance (flight speed and flight endurance), and short-term mating success. As expected for scrambling competition, there was sexual selection for increased flight endurance rather than for increased flight speed. For fat content, we could demonstrate the full phenotype-performance-fitness axis, where selection for a higher fat content could be explained by the sexual selection for a higher flight endurance and the positive covariation between fat content and flight endurance. For three other traits (size, relative flight muscle mass and wing loading), however, we detected selection that could not be explained via their effect on flight performance, generating novel testable hypotheses about how the covariation between these traits and mating success is generated. This also urges caution when using morphological traits as proxies for flight speed and flight endurance in phenotypic selection studies. |
| Starting Page | 639 |
| Ending Page | 654 |
| Page Count | 16 |
| File Format | |
| ISSN | 02697653 |
| Journal | Evolutionary Ecology |
| Volume Number | 28 |
| Issue Number | 4 |
| e-ISSN | 15738477 |
| Language | English |
| Publisher | Springer International Publishing |
| Publisher Date | 2014-04-04 |
| Publisher Place | Cham |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Energy reserves Flight ability Immune function Mating success Multivariate phenotypic selection Evolutionary Biology Plant Sciences Human Genetics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Ecology, Evolution, Behavior and Systematics |
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