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  • 1
    Online-Ressource
    Online-Ressource
    San Diego :Elsevier Science & Technology,
    Schlagwort(e): Human behavior. ; Electronic books.
    Materialart: Online-Ressource
    Seiten: 1 online resource (317 pages)
    Ausgabe: 1st ed.
    ISBN: 9780080582825
    Serie: Issn Series
    DDC: 155.7
    Sprache: Englisch
    Anmerkung: Front Cover -- Advances in the Study of Behaviour, Volume 21 -- Copyright Page -- Contents -- Contributors -- Preface -- Chapter 1. Primate Social Relationships: Their Determinants and Consequences -- I. Introduction -- II. Social Rank and Sexual Behavior among Males -- III. Social Rank and Aggressive Behavior among Males -- IV. Rank, Behavior, and the Stress Hormones -- V. Concluding Remarks -- VI. Summary -- References -- Chapter 2. The Role of Parasites in Sexual Selection: Current Evidence and Future Directions -- I. Introduction -- II. Original Predictions of the Hamilton-Zuk Hypothesis -- III. Interspecific Tests -- IV. Why Parasites? -- V. Intraspecific Tests Reconsidered -- VI. Conclusions -- VII. Summary -- References -- Chapter 3. Conceptual Issues in Cognitive Ethology -- I. Historical Introduction -- II. Awareness, Consciousness, and Imagery -- III. Awareness and Language -- IV. Actions, Intentions, and Functions -- V. Intentionality, Folk Psychology, and Cognitive Science -- VI. Summary Conclusions -- References -- Chapter 4. Responses to Warning Coloration in Avian Predators -- I. The Problem of Warning Coloration -- II. Responses of Birds to Warningly Colored Prey -- III. Discussion -- IV. Summary -- References -- Chapter 5. Analysis and Interpretation of Orb Spider Exploration and Web-building Behavior -- I. Introduction -- II. The Web Spider's Orientation Skills -- III. Unravelling the Araneus Orb -- IV. Manipulation of the Threads -- V. Orb Webs as a Dynamic Filter -- VI. Webs and Life History -- VII. Conclusions -- VIII. Summary -- References -- Chapter 6. Motor Aspects of Masculine Sexual Behavior in Rats and Rabbits -- I. Introduction -- II. Polygraphic Techniques for the Analysis of the Motor and Genital Components of the Male Copulatory Pattern -- III. Morphology of the Masculine Copulatory Motor Pattern in the Rat. , IV. Morphology of the Masculine Copulatory Motor Pattern in the Rabbit -- V. Central Mediation of the Male Copulatory Motor Pattern -- VI. Hormonal Factors in the Regulation of the Morphology of Copulatory Behavior -- VII. Concluding Remarks -- VIII. Summary -- References -- Chapter 7. On the Nature and Evolution of Imitation in the Animal Kingdom: Reappraisal of a Century of Research -- I. Introduction -- II. Four Influential Legacies of Nineteenth-Century Comparative Psychology -- III. Defining and Distinguishing Imitative Phenomena Today -- IV. New Methodologies -- V. The Distribution of Imitation in the Animal Kingdom -- VI. Explaining the Distribution of Imitation: Computational Requirements of Imitating the Seen versus the Heard -- VII. Conclusion -- VIII. Summary -- References -- Index.
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  • 2
    Online-Ressource
    Online-Ressource
    San Diego :Elsevier Science & Technology,
    Schlagwort(e): Parental behavior in animals. ; Electronic books.
    Materialart: Online-Ressource
    Seiten: 1 online resource (737 pages)
    Ausgabe: 1st ed.
    ISBN: 9780080582863
    Serie: Issn Series
    Sprache: Englisch
    Anmerkung: Front Cover -- Parental Care: Evolution, Mechanisms, and Adaptive Significance -- Copyright Page -- Contents -- Contributors -- Preface -- Introduction -- PART I: PARENTAL CARE AMONG INVERTEBRATES AND EARLY VERTEBRATES -- Chapter 1. Parental Care in Invertebrates -- I. Introduction -- II. Revisiting the Prime Movers of Care -- III. Physiology of Care -- IV. Parental Care Theory and Invertebrates -- V. Paternal Care: Uniparental Male versus Biparental Care -- VI. Summary -- References -- Chapter 2. Cause and Effect of Parental Care in Fishes: An Epigenetic Perspective -- I. Introduction -- II. The Diversity of Parental Care in Fishes -- III. A General Model of Life History in Fishes -- IV. Energy Requirements for Reproduction -- V. Definitions of Parental Care -- VI. A Review of Recent Work on Parental Care in Fishes -- VII. The Epigenesis of Piscine Parental Care -- VIII. Conclusions -- References -- Chapter 3. Parental Care among the Amphibia -- I. Introduction -- II. Phylogenetic Distribution of Parental Care -- III. Modes of Parental Care: Occurrence and Function -- IV. Geographic Distribution of Parental Care -- V. Distribution of Parental Care between the Sexes -- VI. Correlates of Parental Care -- VII. Evolution of Parental Care -- VIII. Flexibility in Parental Care -- IX. Summary -- References -- Chapter 4. An Overview of Parental Care among the Reptilia -- I. Introduction -- II. The Reptilian Diversity -- III. Structural Types of Parental Investment -- IV. Physiological Types of Parental Investment -- V. Behavioral Types of Parental Investment -- VI. Opportunities for Study -- VII. Summary -- References -- PART II: ENDOCRINE, NEURAL, AND BEHAVIORAL FACTORS GOVERNING PARENTAL CARE AMONG MAMMALS AND BIRDS -- Chapter 5. Neural and Hormonal Control of Parental Behavior in Birds -- I. Introduction -- II. Incubation Behavior. , III. Defense of the Nest and Young -- IV. Parental Responses toward Young -- V. Summary -- References -- Chapter 6. Biochemical Basis of Parental Behavior in the Rat -- I. Behavioral Responses of Parental Rats -- II. Parental Behavior-A Developmental Perspective -- III. Physiological Underpinnings of Parental Behavior -- IV. Neurochemical Elements and Experiential Aspects of Parental Care -- V. Overview: A Model for the Biochemical Regulation of Parental Care -- References -- Chapter 7. Somatosensation and Maternal Care in Norway Rats -- I. Introduction -- II. Somatosensation and Maternal Behavior -- III. Trigeminal Somatosensation and Maternal Nurturance -- IV. Ventral Trunk Somatosensation and Nursing Behavior -- V. Somatosensation and Maternal Aggression -- VI. Neurobiological Consequences and Implications -- VII. General Conclusions and Summary -- References -- Chapter 8. Experiential Factors in Postpartum Regulation of Maternal Care -- I. Introduction -- II. Types of Experience -- III. Functional Adaptiveness of Experience in the Service of "Good" Mothering -- IV. The Physiology of Maternal Behavior -- V. Conclusion -- References -- Chapter 9. Maternal Behavior in Rabbits: A Historical and Multidisciplinary Perspective -- I. Introduction: Why Are Rabbits Interesting to Study? -- II. Studying Rabbit Maternal Behavior in the Laboratory: What Can We Measure? -- III. Participation of Estradiol, Progesterone, and Prolactin in the Initiation of Maternal Behavior -- IV. Maintaining Maternal Behavior after Parturition: The Importance of the Interaction between Mother and Young -- V. Recapitulation and Discussion -- VI. Summary -- References -- Chapter 10. Parental Behavior in Voles -- I. Introduction -- II. Parental Behavior and Social Organization -- III. Patterns of Parental Behavior -- IV. Species Differences in the Rate of Litter Development. , V. Environmental Factors Regulating Parental Behavior -- VI. Neurobiological Basis of Parental Behavior -- VII. Summary -- References -- Chapter 11. Physiological, Sensory, and Experiential Factors of Parental Care in Sheep -- I. Introduction -- II. The Control of Maternal Reponsiveness to the Neonate -- III. The Control of Maternal Selectivity to the Neonate -- IV. Conclusion -- V. Summary -- References -- Chapter 12. Socialization, Hormones, and the Regulation of Maternal Behavior in Nonhuman Simian Primates -- I. Introduction -- II. The "Context" of Maternal Behavior Regulation -- III. Preadult Socialization and Maternal Behavior -- IV. Hormones and Maternal Behavior -- V. A Socialization-Neuroendocrine Model -- VI. Conclusions -- VII. Summary -- References -- PART III: FUNCTIONAL, ECOLOGICAL, AND ADAPTIVE ASPECTS OF PARENTAL CARE -- Chapter 13. Field Studies of Parental Care in Birds: New Data Focus Questions on Variation among Females -- I. Introduction -- II. What Do Males Do? What Do Females Do? -- III. Male Parental Care and Female Fitness: The Adaptive Significance of Social Monogamy -- IV. Sexual Conflict and Differential Parental Allocation -- V. Extra-Pair Paternity -- VI. Genetic Paternity and Paternal Care -- VII. Maternal Care -- VIII. Adaptive Significance of Parental Care in Birds -- IX. The Future -- X. Summary -- References -- Chapter 14. Parental Investment in Pinnipeds -- I. Introduction -- II. Background Information on Pinniped Systematics and Phylogeny -- III. Parental Care Patterns in Pinnipeds -- IV. Evidence for a Cost of Reproduction -- V. Evidence for Differential Investment in Male and Female Offspring -- VI. Postweaning Investment? -- VII. Conclusion -- References -- Chapter 15. Individual Differences in Maternal Style: Causes and Consequences for Mothers and Offspring -- I. Introduction. , II. Individual Differences in Maternal Style -- III. Consequences of Variation in Maternal Style for the Mother -- IV. Consequences of Variation in Maternal Style for the Offspring -- V. Proximate Mechanisms -- VI. Conclusions -- References -- Chapter 16. Mother-Infant Communication in Primates -- I. Introduction -- II. Vocal Communication -- III. Visual and Tactile Communication -- IV. Parent-Infant Communication in Evolutionary Perspective -- References -- Chapter 17. Infant Care in Cooperatively Breeding Species -- I. Introduction -- II. How Do Helpers Help? -- III. What Are the Factors That Influence Helping Behavior? -- IV. What Benefits Do Helpers Receive? -- V. What Mechanisms Inhibit Reproduction by Helpers? -- VI. Future Research Directions -- VII. Summary -- References -- Index -- Contents of Previous Volumes.
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  • 3
    Online-Ressource
    Online-Ressource
    San Diego :Elsevier Science & Technology,
    Schlagwort(e): Human behavior. ; Electronic books.
    Materialart: Online-Ressource
    Seiten: 1 online resource (297 pages)
    Ausgabe: 1st ed.
    ISBN: 9780080582849
    Serie: Issn Series
    DDC: 155.7
    Sprache: Englisch
    Anmerkung: Front Cover -- Advances in the Study of Behavior, Volume 23 -- Copyright Page -- Contents -- Contributors -- Preface -- Chapter 1. Sneakers, Satellites, and Helpers: Parasitic and Cooperative Behavior in Fish Reproduction -- I. Introduction -- II. Reproductive Competition -- III. Associations between Reproductive Competitors and Cooperation -- IV. General Chapter Discussion -- V. Summary -- References -- Chapter 2. Behavioral Ecology and Levels of Selection: Dissolving the Group Selection Controversy -- I. Introduction -- II. Historical Perspective -- III. Some Issues Surrounding the Controversy -- IV. Alternative Explanations for the Evolution of Behavior: Analogies and Examples -- V. Conclusion -- VI. Summary -- References -- Chapter 3. Genetic Correlations and the Control of Behavior, Exemplified by Aggressiveness in Sticklebacks -- I. Genetic Correlations as a Tool in Studying the Control of Behavior -- II. Why Study Stickleback Aggression? -- III. Life Cycle and Aggressive Behavior of Sticklebacks -- IV. Choice of the Breeding Design -- V. Pros and Cons of Estimating Correlations from Selection Designs -- VI. Genetic Correlations and the Causation of Aggressive Behavior: Double Selection Experiments -- VII. Concluding Remarks -- VIII. Summary -- References -- Chapter 4. Territorial Behavior: Testing the Assumptions -- I. Introduction -- II. Territory Function Habitat Selection, and Assessment -- III. The Function of Territorial Behavior -- IV. Future Directions -- V. Summary -- References -- Chapter 5. Communication Behavior and Sensory Mechanisms in Weakly Electric Fishes -- I. Introduction -- II. Weakly Electric Fishes -- III. Pulse and Wave Fishes -- IV. The Interdischarge Interval Code in the Mormyridae -- V. Electrical Signaling in the Courtship and Spawning of a Mormyrid Fish -- VI. Individual Discrimination in a Mormyrid Fish. , VII. Constancy of the Mormyrid EOD Waveform in a Variable Environment by Impedance Matching -- VIII. Electrical Signaling in Gymnotiform Pulse Species -- IX. Electrical Signaling in Gymnotiform Wave Species -- X. The "So What?" Question -- XI. Summary -- References -- Index -- Contents of Previous Volumes.
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  • 4
    Online-Ressource
    Online-Ressource
    San Diego :Elsevier Science & Technology,
    Schlagwort(e): Human behavior. ; Electronic books.
    Materialart: Online-Ressource
    Seiten: 1 online resource (345 pages)
    Ausgabe: 1st ed.
    ISBN: 9780080582832
    Serie: Issn Series
    DDC: 155.7
    Sprache: Englisch
    Anmerkung: Front Cover -- Advances in The Study of Behavior, Volume 22 -- Copyright Page -- Contents -- Contributors -- Preface -- Chapter 1. Male Aggression and Sexual Coercion of Females in Nonhuman Primates and Other Mammals: Evidence and Theoretical Implications -- I. Introduction -- II. Male Aggression and Sexual Coercion in Nonhuman Primates -- III. Costs to Female Primates of Male Aggression -- IV. Primate Female Counterstrategies to Male Aggression -- V. Male Aggression against Females in Chimpanzees -- VI. Male Aggression against Females in Other Mammals -- VII. Variation in Male Aggression against Females -- VIII. Evaluating the Sexual Coercion Hypothesis -- IX. Implications of Male Sexual Coercion for Sexual Selection Theory -- X. Conclusions -- XI. Summary -- References -- Chapter 2. Parasites and the Evolution of Host Social Behavior -- I. Introduction -- II. Group Living and Parasites -- III. Parasites, Reproduction, and Sexual Selection -- IV. Social Behavior and Parasite-Host Coevolution -- V. Summary -- References -- Chapter 3. The Evolution of Behavioral Phenotypes: Lessons Learned from Divergent Spider Populations -- I. Introduction -- II. The Spider System -- III. Fitness-Linked Behavioral Traits -- IV. Arizona Riparian Population Deviation from Adaptive Equilibrium -- V. Factors That May Have Limited Adaptation -- VI. Experimental Manipulation of Gene Flow versus Selection -- VII. Discussion and Conclusions -- VIII. Summary -- References -- Chapter 4. Proximate and Developmental Aspects of Antipredator Behavior -- I. Introduction -- II. Causal Aspects of Enemy Recognition -- III. Developmental Aspects of Enemy Recognition -- IV. Conclusions -- V. Summary -- References -- Chapter 5. Newborn Lambs and Their Dams: The Interaction That Leads to Sucking -- I. Introduction. , II. Pre- and Perinatal Factors That Play a Part in the Ewe and Lamb Relationship after Birth -- III. Sensory and Behavioral Factors Involved in the Postnatal Relationship between Ewe and Lamb -- IV. Discussion -- V. Summary -- References -- Chapter 6. The Ontogeny of Social Displays: Form Development. Form Fixation, and Change in Context -- I. General Introduction -- II. Mechanisms of Form Development -- III. Form Fixation of Display -- IV. Change in Context of Display -- V. Functional Aspects of Display Development -- VI. A Summarizing Scheme -- VII. Summary -- References -- lndex -- Contents of Previous Volumes.
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  • 5
    Online-Ressource
    Online-Ressource
    San Diego :Elsevier Science & Technology,
    Schlagwort(e): Human behavior. ; Electronic books.
    Materialart: Online-Ressource
    Seiten: 1 online resource (497 pages)
    Ausgabe: 1st ed.
    ISBN: 9780080582870
    Serie: Issn Series
    DDC: 155.7
    Sprache: Englisch
    Anmerkung: Front Cover -- Advances in The Study of Behavior, Volume 26 -- Copyright Page -- Contents -- Contributors -- Preface -- Chapter 1. Sexual Selection in Seaweed Flies -- I. Introduction -- II. General Biology -- III. Population Genetics -- IV. Mating Behavior -- V. Sexual Selection -- VI. Variation in Female Mating Behavior -- VII. The Preferred Trait: Male Size -- VIII. Evolution of Female Mate Preferences -- IX. Discussion -- X. Summary -- References -- Chapter 2. Vocal Learning in Mammals -- I. Introduction -- II. Evidence for Vocal Learning -- III. Survey -- IV. Functional Significance and Origin -- V. Conclusions -- VI. Summary -- References -- Chapter 3. Behavioral Ecology and Conservation Biology of Primates and Other Animals -- I. Introduction -- II. Comparative Paradigms -- III . Genetics and Ecology -- IV. Methodological Bridges to Disciplinary Convergence -- V. Summary -- References -- Chapter 4. How to Avoid Seven Deadly Sins in the Study of Behavior -- I. Unjustified Conclusions from Observational Data -- II. Data are Not Independent: "Pseudoreplication -- III. Treatments are Confounded by Time and Sequence Effects -- IV. No Efforts to Avoid Observer Bias -- V. Potential Artifacts When Animals are Not Accustomed to Experimental Procedures -- VI. Unsuitable Controls -- VII. "Proving" the Null Hypothesis with Small Samples -- VIII. Conclusions -- IX. Summary -- References -- Chapter 5. Sexually Dimorphic Dispersal in Mammals: Patterns, Causes, and Consequences -- I. Introduction -- II. Biology and Study Methods for Spotted Hyenas and Belding's Ground Squirrels -- III. Sex Differences in Mammalian Dispersal: Patterns and Processes -- IV. Sex Differences in the Proximal Causes of Natal Dispersal -- V. Consequences of Sex Differences in Dispersal Behavior -- VI. Directions for Future Research -- VII. Summary -- References. , Chapter 6. Infantile Amnesia: Using Animal Models to Understand Forgetting -- I. Orientation -- II. Ontogeny of Non-Associative Memory -- III. Ontogeny of Short-Term Retention -- IV. Ontogeny of Long-Term Retention: Infantile Amnesia -- V. Perspectives on Infantile Amnesia -- VI. Infantile Amnesia as an "Ontogenetic Adaptation -- VII. Summary and Comment -- References -- Chapter 7. Regulation of Age Polyethism in Bees and Wasps by Juvenile Hormone -- I. Introduction -- II. Age Polyethism and Juvenile Hormone in the European Honey Bee, Apis mellifera -- III. Effects of Experimental Treatment with Juvenile Hormone, Mimics, and Analogue on Behavioral Maturation in the Honey Bee -- IV. Correlational Data Indicating Juvenile Hormone Titers Increase during Behavioral Maturation and Are At Their Highest in Foraging Bees -- V. Colony Manipulations that Induce Altered Juvenile Hormone Titers and Altered Behavior -- Seasonal Changes in Juvenile Hormone Titers and Behavior -- VI. Brain Changes Correlated with Behavioral Maturation in the Honey Bee: A Proposed Mechanism for Juvenile Hormone Action on Age Polyethism -- VII. Comparative Studies -- VIII. Conclusions and Significance -- References -- Chapter 8. Acoustic Signals and Speciation: The Roles of Natural and Sexual Selection in the Evolution of Cryptic Species -- I. Introduction -- II. A Case Study: Britain's Most Common Bat is Two Species -- III. Acoustic Resouce Partitioning by Echolocation -- IV. Cryptic Speices of Echolocating Bats -- V. Acoustic Signals and Cryptic Species in Nonecholocating Animals -- VI. Speciation in Cryptic Species That Use Acoustic Signals -- VII. Cryptic Species. Genetic Divergence. and Hidden Biodiversity -- VIII. Summary -- References -- Chapter 9. Understanding the Complex Song of the European Starling: An Integrated Ethological Approach -- I. Introduction. , II. The Study Species and Its Song -- III. Song Learning -- IV. Relating Song Behavior to the Underlying Neutral Substrate -- V. Functions of Song -- VI. Functions and Evolution of the Song Repertoire -- VII. Conclusions and Future Directions -- VIII. Summary -- References -- Chapter 10. Representation of Quantities by Apes -- I. Representation of Quantities by Apes -- II. Symbolic Facilitation of Quantity Judgments -- III. Summary -- References -- Index -- Contents of Previous Volumes.
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  • 6
    Online-Ressource
    Online-Ressource
    San Diego :Elsevier Science & Technology,
    Schlagwort(e): Human behavior. ; Electronic books.
    Materialart: Online-Ressource
    Seiten: 1 online resource (387 pages)
    Ausgabe: 1st ed.
    ISBN: 9780080582856
    Serie: Issn Series
    DDC: 155.7
    Sprache: Englisch
    Anmerkung: Front Cover -- Advances in The Study of Behavior, Volume 24 -- Copyright Page -- Contents -- Contributors -- Preface -- Chapter 1. Is the Information Center Hypothesis a Flop? -- I. Introduction -- II. Colony-Based Group Foraging -- III. Colonial Lifestyle: Parasitism, Mutual Benefit, or Cooperation -- IV. A Critical View of Some Predictions of the Hypothesis -- V. Evaluation of the Empirical Evidence for Information Transfer at the Colony -- VI. Summary -- References -- Chapter 2. Maternal Contributions to Mammalian Reproductive Development and the Divergence of Males and Females -- I. Introduction -- II. Adaptation and the Nature of Sex Differences -- III. Developmental Processes -- IV. Maternal Contributions to the Development of Reproduction in Mammals -- V. Maternal Contributions to Offspring Reproductive Success -- VI. Summary and Conclusions -- References -- Chapter 3. Cultural Transmission in the Black Rat: Pine Cone Feeding -- I. Introduction -- II. The Ability of Naïve Adult Rats to Learn to Open Cones -- III. The Contribution of Genetics and/or Early Experience to the Ability of Young Rats to Learn to Open Cones -- IV. Alteration of the Cones to Motivate and/or Assist the Rats to Learn to Open Them -- V. Shaving Versus Spiral Method of Opening Pine Cones -- VI. The Energetics of Pine Cone Opening -- VII. Opening of Two Types of Cones in Sympatric Populations of Black Rats -- VIII. Discussion and Conclusions -- IX. An Afterword -- X. Summary -- References -- Chapter 4. The Behavioral Diversity and Evolution of Guppy, Poecilia reticulata, Populations in Trinidad -- I. Introduction -- II. Background -- III. Adaptive Variation as a Direct Consequence of Risk -- IV. Indirect Consequences of Predation Risk -- V. Evolution in the Wild -- VI. Genetic Divergence of Populations -- VII. Historical and Stochastic Influences on Behavior. , VIII. Links between Behavior and Divergence -- IX. Future Directions -- X. Summary -- References -- Chapter 5. Sociality, Group Size, and Reproductive Suppression among Carnivores -- I. Introduction -- II. Aspects of Social Organization -- III. The Evolution of Social Breeding and Group Size -- IV. The Evolution of Reproductive Suppression -- V. Comparative Analyses of Sociality and Reproductive Suppression -- VI. Phylogenetic Regression Analyses of Sociality, Group Size, and Reproductive Suppression -- VII. Summary -- References -- Chapter 6. Development and Relationships: A Dynamic Model of Communication -- I. Introduction -- II. Relationships -- III. Development -- IV. Research Implications -- V. Summary -- References -- Chapter 7. Why Do Females Mate with Multiple Males? The Sexually Selected Sperm Hypothesis -- I. Introduction -- II. The Sperm Sexual Selection Hypothesis -- III. Predictions and Evidence -- IV. Conclusions -- V. Summary -- Appendix: Oscillating Evolution of Multiple Sperm Types -- References -- Chapter 8. Cognition in Cephalopods -- I. Introduction -- II. Background on Cephalopods -- III. Learning Studies -- IV. Other Demonstrations of Capacity -- V. Summary -- References -- Index -- Contents of Previous Volumes.
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  • 7
    In: BMC evolutionary biology, London : BioMed Central, 2001, 8(2008), 1471-2148
    In: volume:8
    In: year:2008
    In: extent:12
    Materialart: Online-Ressource
    Seiten: 12 , graph. Darst
    ISSN: 1471-2148
    Sprache: Englisch
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  • 8
    In: Royal Society (London), Proceedings of the Royal Society of London. Series B, Biological sciences, London : The Royal Society, 1905, 277(2010), 1680, Seite 391-398, 1471-2954
    In: volume:277
    In: year:2010
    In: number:1680
    In: pages:391-398
    Beschreibung / Inhaltsverzeichnis: Olfactory information about individual major histocompatibility complex (MHC) immune genotypes is important for mate choice in several species. For example, during the mate choice decisions of three-spined sticklebacks, females assess males on the basis of odour cues that convey information about their MHC diversity. Here, we show that an additional 'maleness' signal is needed to validate the MHC signal. Furthermore, using interaction between natural odour of sticklebacks and synthetic MHC-ligand peptides, we show that MHC signals are conditional on the reproductive state in males. By contrast, we find that gravid females do not produce such signals. Since MHC olfactory signals relevant to mate choice decisions are conditional upon gender and reproductive state, we suggest that their manufacture is likely to be costly to senders, and therefore, potentially conditional on the health/parasitization status of the sender. We hypothesize that shedding of peptide-MHC complexes compromises immune function, selecting against unconditional use of these signals.
    Materialart: Online-Ressource
    Seiten: graph. Darst
    ISSN: 1471-2954
    Sprache: Englisch
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  • 9
    Schlagwort(e): Hochschulschrift
    Beschreibung / Inhaltsverzeichnis: Summary ; Zs.-Fassung
    Materialart: Online-Ressource
    Seiten: Online-Ressource (118 S. = 1.16 MB, Text) , Ill., graph. Darst.
    Ausgabe: [Electronic ed.]
    DDC: 597.672
    Sprache: Englisch
    Anmerkung: Kiel, Univ., Diss., 2006
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  • 10
    In: Royal Society (London), Proceedings of the Royal Society of London. Series B, Biological sciences, London : The Royal Society, 1905, (2008), 1471-2954
    In: year:2008
    In: extent:12
    Beschreibung / Inhaltsverzeichnis: Individual diversity at the major histocompatibility complex (MHC) is predicted to be optimal at intermediate rather than at maximal levels. We showed previously in sticklebacks that an intermediate MHC diversity is predominant in natural populations and provides maximal resistance in experimental multiple parasite infections in the laboratory. However, what counts ultimately is the lifetime reproductive success (LRS). Here, we measured LRS of six laboratory-bred sib-groupsto minimize the influence of non-MHC genesthree-spined sticklebacks (Gasterosteus aculeatus) during their entire breeding period, each in a seminatural enclosure in the lake of their parents, where they were exposed to the natural spectrum of parasites. We collected developing clutches at regular intervals and determined parenthood for a representative number of eggs (2279 in total) per clutch with 18 microsatellites. Both males and females with an intermediate MHC class IIB variant number had the highest LRS. The mechanistic link of MHC diversity and LRS differed between the sexes: in females, we found evidence for a trade-off between number of eggs and immunocompentence, whereas in males this correlation was concealed by different timing strategies of reproduction.
    Materialart: Online-Ressource
    Seiten: 12 , graph. Darst.
    ISSN: 1471-2954
    Sprache: Englisch
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