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Detecting sexual conflict and sexually antagonistic coevolution
1Department of Zoology, University of Toronto, Toronto, Ontario M5S 3G5, Canada. lrowe@zoo.utoronto.ca
Summary
Detecting sexual conflict requires identifying selection forces on traits. New research should focus on female traits and fitness consequences to understand sexually antagonistic coevolution.
Area of Science:
- Evolutionary Biology
- Behavioral Ecology
Background:
- Sexual conflict arises from differing reproductive interests between sexes.
- Interlocus and intralocus sexual conflict are key concepts in evolutionary biology.
Purpose of the Study:
- To define sexual conflict operationally for both inter- and intralocus types.
- To explore methods for detecting interlocus sexual conflict and sexually antagonistic coevolution.
- To evaluate empirical approaches using published examples.
Main Methods:
- Developed an operational definition of sexual conflict.
- Analyzed simple coevolutionary models.
- Reviewed published empirical studies.
Main Results:
- Sexually antagonistic coevolution dynamics can mask conflict.
- Different coevolutionary models may produce similar population patterns.
- Multiple evolutionary forces can act concurrently.
Conclusions:
- Distinguishing coevolutionary models based solely on population patterns is difficult.
- Further research must identify specific selection forces on sexually antagonistic traits.
- Functional studies of female traits and their fitness consequences are crucial.
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