Ecology, sexual selection, and the evolution of mating systems.

@article{Emlen1977EcologySS,
  title={Ecology, sexual selection, and the evolution of mating systems.},
  author={Stephen T. Emlen and Lewis W. Oring},
  journal={Science},
  year={1977},
  volume={197 4300},
  pages={
          215-23
        }
}

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Bateman Gradients and Alternative Mating Strategies in a Marine Isopod

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Differences in mate availability, not differences in sexual competency, are responsible for observed variance in fitness within, and for the equality of fitnesses among, the three male morphs in this species.

Competition for access to mates predicts female-specific ornamentation and polyandry

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...

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