Mating Systems and StrategiesThis book presents the first unified conceptual and statistical framework for understanding the evolution of reproductive strategies. Using the concept of the opportunity for sexual selection, the authors illustrate how and why sexual selection, though restricted to one sex and opposed in the other, is one of the strongest and fastest of all evolutionary forces. They offer a statistical framework for studying mating system evolution and apply it to patterns of alternative mating strategies. In doing so, they provide a method for quantifying how the strength of sexual selection is affected by the ecological and life history processes that influence females' spatial and temporal clustering and reproductive schedules. |
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... parental investment theory (Trivers 1972), as well as on patterns of paternal care (Clutton-Brock 1994). We suggest that studies of mating systems that focus on mate numbers and factors affecting ΔI, rather than patterns of parental ...
... parental fitness is heritable. The offspring mean is given by the product of the parent mean (eq. [1.4]) and heritability. It is also given by adding the product of eq. [1.6] and heritability to the mean before selection. Offspring mean ...
... parental investment made somewhat similar predictions but was founded on the widespread occurrence of anisogamy, that is, the sex difference in initial parental investment in gametes that exists in most in bisexual species. Trivers ...
... parental care. Once we have established the effects on sexual selection of these male and female traits separately, we will then examine when and how conflict between the sexes arises and is resolved by selection. Lastly, since our ...
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Contents
1 | |
36 | |
3 The Phenology of Sexual Selection | 74 |
4 Multiple Matings and Postcopulatory Prezygotic Sexual Selection ... | 109 |
5 Female Life History and Sexual Selection | 128 |
6 The I Surface | 154 |
7 Conceptual Difficulties in Mating System Research ... | 169 |
8 Behavioral Influences on I | 208 |
10 A Darwinian Perspective on Alternative Mating Strategies ... | 370 |
11 Sexual Selection and Alternative Mating Strategies ... | 386 |
12 The Forms of Alternative Mating Strategies | 423 |
References | 471 |
Author Index | 517 |
Word Index | 526 |
Taxonomic Index | 530 |
9 A Classification of Mating Systems | 262 |