Biology, Evolution and Conservation of River Dolphins Within South America and Asia

Title page......Page 6
CONTENTS......Page 8
PREFACE......Page 12
ABSTRACT......Page 22
INTRODUCTION......Page 23
Neophocaena phocaenoides asiaeorientalis (Finless Porpoise)......Page 24
Sotalia guianensis (Marine Tucuxi Dolphin)......Page 26
Sotalia fluviatilis (Tucuxi Dolphin, Gray Dolphin, Bufeo-Negro, Bufeo-Gris)......Page 27
Pontoporia blainvillei (Franciscana, La Plata Dolphin)......Page 29
Inia geoffrensis (Amazon Pink River Dolphin, Bufeo, Bugeo & Boto)......Page 31
Inia boliviensis (Bufeo, Pink River Dolphin)......Page 37
Platanista gangetica gangetica (Susa, Ganges River Dolphin, Water-Hog, Shushuk)......Page 39
Lipotes vexillifer (Baiji, Yangtze River Dolphin)......Page 41
Orcaella brevirostris (Irrawady dolphin)......Page 42
ACKNOWLEDGMENTS......Page 43
REFERENCES......Page 44
ABSTRACT......Page 50
INTRODUCTION......Page 51
Field Sampling......Page 52
Mortality......Page 54
Distribution......Page 55
Movement Patterns of Individuals......Page 58
Seasonality of Reproduction......Page 59
Intra-Specific Aggression......Page 62
Interactions with Fisheries......Page 63
Distribution......Page 64
Group Size......Page 67
Seasonality of Reproduction......Page 68
Seasonal Mortality......Page 69
REFERENCES......Page 70
INTRODUCTION......Page 76
TAXONOMY AND MORPHOLOGY......Page 77
Distribution and Abundance......Page 78
Research on Inia in Bolivia......Page 80
CONSERVATION STATUS AND THREATS......Page 81
Habitat Degradation, Decreased Water Quality and Contaminants......Page 82
Navigation......Page 83
Traditions, Myths and Local Use......Page 84
CONCLUSION AND CONSERVATION PRIORITIES......Page 85
ACKNOWLEDGMENTS......Page 86
REFERENCES......Page 87
ABSTRACT......Page 92
INTRODUCTION......Page 93
OBSERVATIONS OF A CAPTIVE RIVER DOLPHIN: MEASUREMENT TECHNIQUES......Page 94
RANGE OF MOBILITY......Page 96
AXIAL ANATOMY AND DOLPHIN MOBILITY......Page 98
ACKNOWLEDGMENTS......Page 100
REFERENCES......Page 101
ABSTRACT......Page 104
INTRODUCTION......Page 105
MATERIAL AND METHODS......Page 106
Statistical Analyses......Page 109
Simple Lineal Regression......Page 110
Multiple Lineal Regressions......Page 111
Regression Using Distances......Page 114
DISCUSSION......Page 116
REFERENCES......Page 117
AMAZON RIVER DOLPHIN: HIGH PHYLOPATRY DUE TO RESTRICTED DISPERSION AT LARGE AND SHORT DISTANCES......Page 122