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Evolutionary Ecology Research, 2000, 2: 149170 2000 Suzanne Henson Alonzo
 

Summary: Evolutionary Ecology Research, 2000, 2: 149170
2000 Suzanne Henson Alonzo
Female choice, conflict between the sexes and the
evolution of male alternative reproductive behaviours
Suzanne Henson Alonzo* and Robert R. Warner
Department of Ecology, Evolution and Marine Biology, University of California, Santa Barbara,
CA 93106-9610, USA
ABSTRACT
The importance of conflict between the sexes has recently been recognized as a driving force in
the evolution of mating systems and reproductive behaviour. Past theory on the evolution of
alternative reproductive strategies focused primarily on interactions within a single sex. These
interactions can generate frequency- and condition-dependent fitness, which maintain the stable
co-existence of alternative reproductive behaviours. We argue that interactions between the
sexes (such as female choice and intersexual conflict) are a common but ignored mechanism
that will influence the evolution of male alternative reproductive behaviours. Using a modelling
approach that links dynamic games, we examine the influence of female choice on the stability
and expression of male alternatives. By modelling five different biological scenarios, we
show that female choice can suppress the existence of male alternative reproductive behaviours
even when frequency- or condition-dependent mechanisms alone would predict their stable
co-existence. Furthermore, we find that variation in female choice can lead to the stable co-

  

Source: Alonzo, Suzanne H. - Department of Ecology and Evolutionary Biology, Yale University

 

Collections: Environmental Sciences and Ecology; Biology and Medicine