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  • 1985-1989  (3)
  • 1
    Online-Ressource
    Online-Ressource
    San Diego :Elsevier Science & Technology,
    Schlagwort(e): Birds -- Genetics. ; Electronic books.
    Materialart: Online-Ressource
    Seiten: 1 online resource (507 pages)
    Ausgabe: 1st ed.
    ISBN: 9781483275680
    Sprache: Englisch
    Anmerkung: Front Cover -- Avian Genetics: A Population and Ecological Approach -- Copyright Page -- Table of Contents -- Dedication -- Contributors -- Foreword -- Preface -- Introduction -- Part I: Assaying Genetic Variation -- Chapter 1. Mendelian Genes -- 1 Introduction -- 2 Principles and processes -- 3 Inheritance patterns in wild birds -- 4 Performing Mendelian genetic analyses -- References -- Chapter 2. Quantitative Genetics -- 1 Introduction -- 2 Quantitative genetics: an empirical approach to inheritance -- 3 The data available from natural populations of birds -- 4 Problems and prospects -- 5 Conclusions -- References -- Chapter 3. Chromosomal Variation -- 1 Introduction -- 2 Cytogenetics -- 3 Karyotypes -- 4 Intraspecific chromosome variants -- 5 Meiotic studies -- 6 Sex chromosomes -- 7 Karyology of closely related species -- 8 Chromosome change and population structure -- 9 Summary -- References -- Chapter 4. Electrophoretic Variability of Gene Products -- 1 Introduction -- 2 Analysis of allozyme data -- 3 Patterns of genetic variation -- APPENDIX: Techniques for the collection of allozyme data -- References -- Chapter 5. Analysis of DNA Sequence Variation -- 1 Introduction -- 2 Nuclear DNA -- 3 Mitochondrial DNA -- References -- Synthesis I-Assaying Genetic Variation -- REFERENCES -- Part II: Moulding Genetic Variation -- Chapter 6. Inbreeding, Philopatry and Optimal Outbreeding in Birds -- 1 Introduction -- 2 Avian patterns of dispersal -- 3 Conceptual models of the evolution of philopatry -- 4 Measuring inbreeding -- 5 The effects of inbreeding -- 6 Inbreeding and dispersal -- 7 Optimal outbreeding -- 8 Summary and conclusions -- References -- Chapter 7. Gene Flow and the Genetic Structure of Populations -- 1 Introduction -- 2 Basic mathematics and assumptions -- 3 Evolutionary importance. , 4 Estimation of gene flow and genetic population structures -- 5 Summary -- Acknowledgments -- References -- Chapter 8. Selection in Natural Populations of Birds -- 1 Introduction -- 2 Detecting selection -- 3 Observing selection -- 4 Describing and comparing selection -- 5 Selection on wild populations of Darwin's finches -- 6 Summary and conclusions -- Acknowledgments -- References -- Chapter 9. Non-random Mating: A Theoretical and Empirical Overview with Special Reference to Birds -- 1 Introduction -- 2 Non-random mating -- 3 An analytical classification of non-random mating systems -- 4 Non-random mating and the genetic structure of populations: the single-locus modelling approach -- 5 Non-random mating and the existence of mating preferences -- 6 Assortative mating and polygenic variation -- 7 Examples of non-random mating in wild birds -- 8 Non-random mating and sympatric speciation -- 9 Mixed assortment in Snow Geese: preference and prevalence -- 10 Summary and conclusions -- Acknowledgments -- References -- Chapter 10. Geographic Variation and Speciation -- 1 Introduction -- 2 Estimation of genetic variation in natural populations -- 3 Clinal variation in natural populations -- 4 Genetic structure as a measure of geographic variation -- 5 Speciation -- 6 Summary and conclusions -- Acknowledgements -- References -- Synthesis II-Moulding Genetic Variation -- Part III: Genetic Case Histories -- Chapter 11. Quantitative Ecological Genetics of Great Tits -- 1 Introduction -- 2 Successful demonstration of genetic variation -- 3 Unsuccessful demonstration of genetic variation -- 4 Detection of inbreeding -- 5 Prospects for future research -- 6 Conclusions -- References -- Chapter 12. Evolutionary Genetics of House Sparrows -- 1 Introduction -- 2 Selection by extremes of climate -- 3 Differentiation between populations -- 4 Biochemical polymorphisms. , 5 Discussion and conclusions -- Acknowledgments -- References -- Chapter 13. Lesser Snow Goose: A Long-term Population Study -- 1 Introduction -- 2 Methods of data collection -- 3 Types of genetic variability -- 4 Factors affecting the distribution of genes for plumage colour -- 5 Discussion -- 6 Summary -- References -- Chapter 14. Polymorphism and Sexual Selection in the Arctic Skua -- 1 Introduction -- 2 The genetics of Arctic Skua phenotypes -- 3 Models for maintaining polymorphisms -- 4 Maintenance of the Arctic Skua polymorphism -- 5 Sexual selection of Arctic Skua phenotypes -- 6 Preferential mating -- 7 Assortative mating -- 8 Sexual selection and male experience -- 9 Conclusions -- References -- Chapter 15. Epilogue and Prologue: Past and Future Research in Avian Genetics -- 1 Introduction -- 2 The neutrality-selection controversy -- 3 Interpretation of allozyme analyses -- 4 Phylogenies, statistical constraints and molecular clocks -- 5 Gene flow -- 6 Life history variation -- 7 Polymorphisms and their maintenance -- 8 The genetics of speciation -- 9 Genetics and conservation -- 10 A last word -- Acknowledgments -- References -- Index.
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  • 2
    Digitale Medien
    Digitale Medien
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 40 (1985), S. 0 
    ISSN: 1365-2044
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Notizen: Three cases of acute acalculous cholecystitis are reported in patients with multisystem failure following major long-bone trauma. The diagnosis should be suspected in any such patient who develops septicaemia from an unidentified site. A high index of suspicion should be maintained, especially in patients who are sedated or in receipt of mechanical ventilation of the lungs and in whom physical signs may be minimal or absent.
    Materialart: Digitale Medien
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Springer
    Annals of operations research 6 (1986), S. 161-180 
    ISSN: 1572-9338
    Schlagwort(e): Mixed-integer programming ; nested location-allocation ; network ; logistics
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Mathematik , Wirtschaftswissenschaften
    Notizen: Abstract The formulation and use of a mixed integer mathematical programming location-allocation model, the Coal Logistics System (COLS), is presented in this study. COLS is used to evaluate the potential for reducing water-borne coal transportation costs, and concomitantly the costs of delivering coal to European markets. This cost reduction is accomplished through the use of supercolliers which would require the dredging of channels at selected ports or the use of offshore loading sites at East and Gulf Coast ports or both. The model developed and the analysis presented in this paper are intended to aid in the determination of the location and extent of these activities, and to indicate the size of the potential reduction in the costs of U.S. export coal. In order to be able to accommodate these deeper draft vessels at East and Gulf Coast ports, expensive improvements would need to be undertaken which may include the deepening of harbor channels to the depths required for 120 000 dead weight ton (dwt) or larger supercolliers. Since dredging requires large initial investments and has significant long-term maintenance costs, excess capacity could represent an inefficient use of both U.S. revenues and the ports' own funds. The use of offshore loading moorings to permit the “topping off” of supercolliers by self-unloading colliers at the deepwater sections of harbor channels has been proposed as a way of reducing trans-ocean transportation costs and avoiding the large investments and time delays associated with dredging activities. The Coal Logistics System was modified and extended to enable the evaluation of these two port improvement options to be undertaken in a consistent and realistic manner.
    Materialart: Digitale Medien
    Standort Signatur Einschränkungen Verfügbarkeit
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