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1 online resource (547 pages) |
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text txt rdacontent |
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computer c rdamedia |
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online resource cr rdacarrier |
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Cover -- Half-title -- Title -- Copyright -- Contents -- Contributors -- Foreword -- A brief history of skew theory -- References -- Preface -- Part I Reproductive skew theory -- 1 Models of reproductive skew: outside options and the resolution of reproductive conflict -- Summary -- Introduction -- Transactional models of skew -- Concessions and restraint -- Compromise models -- Outside options -- Synthetic models -- Bargaining theory and the outside option principle -- The model -- Evaluation of outside options -- Stable levels of competitive effort -- The "concession" zone -- The "restraint" zone -- Group breakup -- Results -- Implications for skew -- Discussion -- Conclusion -- References -- 2 Reproductive conflict and the evolution of menopause -- Summary -- Reproductive skew in human societies -- How old is menopause? -- Reproductive senescence -- Adaptive explanations -- Physiological constraints and phylogenetic inertia -- Reproductive competition: a new perspective on menopause -- Demography and kin selection across the lifespan -- Relatedness asymmetries and conflict resolution -- Conclusion -- Acknowledgments -- References -- Part II Testing assumptions and predictions of skew models -- 3 Reproductive skew in female-dominated mammalian societies -- Summary -- Introduction -- Reproductive skew among lemurs -- Verreaux's sifaka (Propithecus verreauxi) -- Alaotran gentle lemur (Hapalemur griseus alaotrensis) -- Coquerel's mouse lemur (Mirza coquereli) -- Fat-tailed dwarf lemur (Cheirogaleus medius) -- Grey mouse lemur (Microcebus murinus) -- Ring-tailed lemur (Lemur catta) -- Reproductive skew among bonobos (Pan paniscus) -- Reproductive skew among spotted hyenas (Crocuta crocuta) -- Reproductive skew among male Crocuta -- How well do female-dominated mammals satisfy assumptions of skew models? -- Conclusion -- Acknowledgments |
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References -- 4 The effects of heterogeneous regimes on reproductive skew in eutherian mammals -- Summary -- Introduction -- Eutherian adaptations to environmental heterogeneity -- The eutherian adaptive complex: endothermy, relative brain enlargement, and behavioral flexibility -- The adaptive significance of endothermy -- The adaptive significance of relative brain enlargement -- The adaptive significance of behavioral flexibility -- The eutherian adaptive complex and reproductive skew -- Reproductive skew and reproductive allocation patterns in social mammals -- Reproductive skew and reproductive suppression in heterogeneous regimes -- Conclusions and prospects -- Acknowledgments -- References -- 5 Social skew as a measure of the costs and benefits of group living in marmots -- Summary -- Introduction -- Skew indices -- Social skew -- Methods -- Study animals and study site -- Group composition -- Non-reproductive behaviors -- Skew calculation -- Fitness consequences -- Results -- Discussion -- Sentinels and scouts -- Individual-directed versus group-directed behaviors -- Functional implications -- Conclusion -- References -- 6 Explaining variation in reproductive skew among male langurs: effects of future mating prospects and ecological factors -- Summary -- Introduction -- Testing predictions of skew models in primates -- Models of reproductive skew -- Future prospects and skew -- The study system: Hanuman langurs -- Objective of the study -- Methods -- Measuring reproductive skew -- Calculating levels of skew in Hanuman langurs -- Estimating and analyzing reproductive skew in langur populations -- Ecological parameters -- Life-history/population parameters -- Results -- Reproductive skew in the Ramnagar population -- Estimating skew in Asian langur populations -- Predictor variables of estimated skew levels -- Discussion |
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Reproductive skew in Ramnagar populations: a potential role for infanticide? -- Factors influencing reproductive skew in langur populations: future mating prospects -- Ecological constraints -- Costs of dispersal -- Future directions -- Within-group aggression -- The effects of female choice on male reproductive skew -- Conclusion -- Acknowledgments -- References -- 7 The causes and consequences of reproductive skew in male primates -- Summary -- Introduction -- The causes of reproductive skew -- The priority-of-access (POA) model -- Testing the reproductive-skew frameworks -- Testing assumptions of different skew models -- Testing specific predictions of skew models -- Case studies of the causes of reproductive skew -- Rhesus macaque (Macaca mulatta) -- Mandrill (Mandrillus sphinx) -- Mountain gorilla (Gorilla beringei) -- Chimpanzee (Pan troglodytes) -- Summary of case studies -- Phylogenetic comparative analyses -- Applying comparative approaches to other biological systems -- Consequences of reproductive skew -- Reproductive skew and within-group relatedness -- Reproductive skew and the spread of infectious disease -- Conclusion -- Acknowledgments -- References -- 8 Sociality and reproductive skew in horses and zebras -- Summary -- Patterns of sociality and methods -- Background features and framework -- Patterns of reproductive inequality and skew -- Factors affecting female reproductive success -- Age -- Rank -- Social stability -- Factors affecting male reproductive success -- Age -- Rank -- Social stability -- Behavioral alternatives, inequality, and skew -- Males -- Females -- Skew dynamics -- Impact of management on reproductive inequality and skew -- Discussion -- Conclusions -- Acknowledgments -- References -- 9 Reproductive skew in avian societies -- Summary -- Introduction -- Goals -- Skew theory and birds: issues |
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Incest avoidance and potential versus actual reproductive roles -- Extra-group parentage -- Sexual conflict -- Group size and sociality -- Null models and relatedness asymmetries -- Tests of skew theory in birds -- Intraspecific tests -- Pukeko (Porphyrio porphyrio) -- Common moorhen (Gallinula chloropus) -- Acorn woodpecker (Melanerpes formicivorus) -- Brown jay (Cyanocorax morio) -- White-winged chough (Corcorax melanorhamphos) -- Arabian babbler (Turdoides squamiceps) -- White-browed scrubwren (Sericornis frontalis) -- Interspecific tests: a meta-analysis -- Conclusion -- Acknowledgments -- References -- 10 Reproductive skew in cooperative fish groups: virtue and limitations of alternative modeling approaches -- Summary -- Introduction -- Cooperative reproductive behavior in fish -- Cooperative reproduction of bourgeois and satellite males ("joint defense") -- Reproductive cooperation in polygynandrous breeding groups ("alloparental care") -- Brood-care helpers ("alloparental care") -- Use of skew theory to understand patterns of reproductive participation in cooperatively reproducing fish -- Reproductive skew between bourgeois and satellite males in Symphodus ocellatus -- Reproductive skew between males of polygynandrous Pelvicachromis pulcher -- Reproductive skew among group members in cooperative breeders -- Neolamprologus pulcher -- Neolamprologus multifasciatus -- Julidochromis ornatus -- Alternative approaches towards understanding patterns of reproductive participation in cooperatively reproducing fish -- Kin-selection theory -- Reciprocity models -- Enforced cooperation -- Models of alternative reproductive tactics (ARTs) -- Specific models developed to explain case studies -- Conclusions and perspectives: where next? -- Acknowledgments -- References -- 11 Reproductive skew in primitively eusocial wasps: how useful are current models? |
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Summary -- Introduction -- Types of skew model -- Battleground models -- Resolution models -- Testing reproductive skew theory in a model system: primitively eusocial wasps -- Nesting biology of primitively eusocial wasps -- Implications of wasp biology for reproductive conflicts -- Studies of reproductive skew in primitively eusocial wasps -- Limitations of the data -- Discussion -- Ecological constraints -- Inheritance -- Escalated conflict and peace constraints -- Aggression: negotiation or protest? -- Conventions -- Concluding remarks: reproductive skew in insects and vertebrates -- References -- Part III Resolving reproductive conflicts: behavioral and physiological mechanisms -- 12 Reproductive skew in female common marmosets: contributions of infanticide and subordinate self-restraint -- Summary -- Introduction -- Social groups of common marmosets -- Free-living groups -- Laboratory groups -- Proximate regulation of reproductive skew -- Inhibition of sexual behavior -- Suppression of ovulation -- Free-living groups -- Laboratory groups of intact families -- Laboratory groups of unrelated adults -- Neural and neuroendocrine mechanisms implicated in suppression of ovulation -- Lack of evidence for post-ovulatory inhibition of female reproductive physiology -- Infanticide by females -- Conclusion -- Female reproductive skew in common marmosets: comparative aspects and future directions -- Acknowledgments -- References -- 13 Reproductive skew in African mole-rats: behavioral and physiological mechanisms to maintain high skew -- Summary -- Introduction -- Social diversity in African mole-rats -- Ultimate factors leading to cooperative breeding in mole-rats -- Proximate factors maintaining high skew in social mole-rats -- An overview of skew among African mole-rats -- Common mole-rats -- Damaraland mole-rats -- Naked mole-rats |
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Longer-term skew in lifetime reproductive success |
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Brings together new theory and empirical work, mostly in vertebrates, to test assumptions and predictions of skew models |
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Description based on publisher supplied metadata and other sources |
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Electronic reproduction. Ann Arbor, Michigan : ProQuest Ebook Central, 2020. Available via World Wide Web. Access may be limited to ProQuest Ebook Central affiliated libraries |
| Link |
Print version: Hager, Reinmar Reproductive Skew in Vertebrates : Proximate and Ultimate Causes
Cambridge : Cambridge University Press,c2009 9780521864091
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| Subject |
Vertebrates -- Reproduction.;Sexual selection in animals
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Electronic books
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| Alt Author |
Jones, Clara B
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