Acknowledgements |
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xiii | |
Preface |
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xv | |
Who is this book for? |
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xvii | |
`Zoo elephant' or `elephant living in a zoo': a note on terminology |
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xix | |
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1 Elephants and their relationship with humans |
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1.1 Another book about elephants |
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1 | (2) |
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3 | (4) |
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3 | (4) |
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7 | (1) |
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1.3.1 The status of Asian elephants in the wild |
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7 | (1) |
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1.3.2 The status of African elephants in the wild |
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7 | (1) |
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1.4 The human use of elephants |
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8 | (7) |
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1.4.1 Elephants in ancient times |
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8 | (1) |
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1.4.2 Have elephants been domesticated? |
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9 | (1) |
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1.4.3 Ceremonial and religious use of elephants; elephants as gifts |
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9 | (1) |
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1.4.4 The use of elephants for transportation nd as weapons of war |
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10 | (3) |
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1.4.5 Elephants and forestry operations |
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13 | (1) |
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1.4.6 Elephants as entertainers: circuses, sports and tourism |
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13 | (1) |
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1.4.7 Elephants as ambassadors for conservation |
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14 | (1) |
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1.5 The beginning of elephant research |
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15 | (11) |
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1.5.1 Aristotle and elephants |
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15 | (3) |
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1.5.2 Anatomical research |
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18 | (6) |
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1.5.3 Anecdotes as a source of knowledge about elephants |
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24 | (1) |
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1.5.4 Papers in academic journals |
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25 | (1) |
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1.5.5 Early physiological research |
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25 | (1) |
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1.6 Unacceptable elephant science |
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26 | (1) |
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1.7 Captive elephants as proxies for wild elephants |
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27 | (2) |
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2 Ethological data collection and elephant activity budgets |
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29 | (1) |
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29 | (10) |
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2.2.1 Identifying individuals |
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29 | (2) |
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2.2.2 Studying elephants in zoos |
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31 | (3) |
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34 | (2) |
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2.2.4 Methodological difficulties |
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36 | (2) |
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2.2.5 Data collection by caregivers |
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38 | (1) |
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39 | (11) |
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39 | (4) |
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43 | (2) |
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45 | (1) |
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46 | (1) |
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2.3.5 Resting, sleeping and nocturnal behaviour |
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46 | (4) |
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2.4 The 24-hour needs of elephants in zoos |
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50 | (1) |
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3 Elephant social structure, behaviour and complexity |
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51 | (1) |
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3.2 The structure of elephant societies |
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51 | (8) |
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3.2.1 Elephant societies in the wild |
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51 | (2) |
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3.2.2 Elephant societies in captivity |
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53 | (6) |
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3.2.3 Social behaviour and breeding |
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59 | (1) |
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3.3 Associations between individuals and friendships |
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59 | (4) |
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3.4 Introductions into an elephant group |
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63 | (1) |
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3.5 Protective formations |
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64 | (2) |
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3.6 Dominance hierarchies |
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66 | (2) |
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3.7 Aggression, appeasement and chastisement |
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68 | (8) |
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76 | (5) |
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4 Elephant reproductive biology |
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81 | (1) |
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4.2 Historical accounts of sexual behaviour |
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81 | (2) |
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4.3 Courtship and mating behaviour |
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83 | (5) |
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4.4 Chemical control of reproduction |
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88 | (2) |
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88 | (1) |
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4.4.2 Endocrine monitoring of females |
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89 | (1) |
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4.5 Behavioural indicators of oestrus |
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90 | (1) |
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4.6 Gestation, pregnancy management and birth |
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91 | (2) |
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4.7 Parenting and calf development |
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93 | (7) |
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4.7.1 Developmental milestones and birth statistics |
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93 | (1) |
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4.7.2 Parenting and allomothering |
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94 | (5) |
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4.7.3 The effect of a calf on social interactions in the herd |
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99 | (1) |
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4.8 Early sexual behaviour |
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100 | (6) |
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4.8.1 Early male sexual behaviour |
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100 | (1) |
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100 | (6) |
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4.9 Reproductive challenges and solutions |
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106 | (7) |
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4.9.1 Acyclicity and sperm quality |
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106 | (3) |
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4.9.2 Obstetrics and birthing problems |
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109 | (1) |
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4.9.3 New techniques in reproductive physiology |
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109 | (4) |
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5 Elephant cognition, communication and tool use |
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113 | (1) |
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113 | (5) |
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5.2.1 Historical perspectives |
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113 | (1) |
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5.2.2 Self-awareness: do elephants know they exist? |
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114 | (2) |
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5.2.3 Discrimination between objects and between quantities |
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116 | (1) |
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5.2.4 Insightful behaviour |
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116 | (1) |
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116 | (1) |
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117 | (1) |
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118 | (5) |
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118 | (1) |
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5.3.2 Vocal communication |
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119 | (1) |
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5.3.3 Human speech imitation |
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120 | (1) |
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5.3.4 Chemical communication |
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120 | (3) |
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5.3.5 Tactile and seismic communication |
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123 | (1) |
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5.4 Visual acuity and visual discrimination |
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123 | (1) |
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124 | (3) |
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5.6 Knowing when to cooperate |
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127 | (2) |
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6 Elephant ecology and genetics |
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129 | (1) |
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129 | (4) |
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129 | (1) |
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6.2.2 Acclimatisation to new environments |
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130 | (1) |
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130 | (3) |
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6.3 Feeding ecology and energetics |
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133 | (7) |
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133 | (1) |
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134 | (1) |
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6.3.3 Calculating food consumption |
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134 | (3) |
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137 | (1) |
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137 | (2) |
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139 | (1) |
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6.3.7 Food supplementation |
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139 | (1) |
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140 | (1) |
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6.5 Exhibit design and enclosure use |
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141 | (12) |
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141 | (1) |
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142 | (4) |
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6.5.3 Substrate and indoor versus outdoor preferences |
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146 | (2) |
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6.5.4 Multispecies exhibits |
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148 | (1) |
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6.5.5 Rotational exhibits |
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149 | (1) |
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6.5.6 Elephants as agents of landscape change in zoos |
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150 | (3) |
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153 | (10) |
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153 | (1) |
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6.6.2 Age determination from teeth |
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154 | (1) |
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6.6.3 Longevity and life expectancy in zoos |
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154 | (1) |
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6.6.4 Birth rates and calf survival |
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155 | (2) |
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6.6.5 Sexual maturity and mean calving interval |
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157 | (1) |
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6.6.6 Reproductive performance of Asian camp elephants |
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158 | (3) |
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6.6.7 Reproductive cessation and the `mother hypothesis' |
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161 | (1) |
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6.6.8 Sustainability of zoo populations |
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161 | (1) |
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6.6.9 Importation of elephants from range states |
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162 | (1) |
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163 | (6) |
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163 | (1) |
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6.7.2 Interspecific hybridisation |
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164 | (1) |
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6.7.3 Intraspecific hybridisation |
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164 | (1) |
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164 | (5) |
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7.1 Historical perspectives |
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169 | (4) |
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7.2 Measuring elephant welfare |
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173 | (21) |
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173 | (1) |
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7.2.2 How can welfare be measured? |
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173 | (2) |
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7.2.3 Population-level welfare indices |
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175 | (1) |
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7.2.4 Body weight and condition scoring |
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176 | (3) |
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7.2.5 The welfare of elephants working in tourism |
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179 | (1) |
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7.2.6 Stress and distress |
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180 | (1) |
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7.2.7 Behaviour as a welfare indicator |
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181 | (2) |
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7.2.8 Stereotypic behaviours |
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183 | (11) |
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7.3 Environmental enrichment |
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194 | (13) |
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7.3.1 Defining environmental enrichment |
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194 | (2) |
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7.3.2 Food and foraging as enrichment |
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196 | (3) |
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7.3.3 Substratum and trees as enrichment |
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199 | (3) |
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7.3.4 Water as enrichment |
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202 | (1) |
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7.3.5 Sleep, rest and enrichment |
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202 | (3) |
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7.3.6 Sound, music and art as enrichment |
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205 | (1) |
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206 | (1) |
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7.3.8 Improving elephant welfare through breeding |
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206 | (1) |
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7.3.9 Social contact: the ultimate in enrichment |
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207 | (1) |
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207 | (1) |
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208 | (2) |
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210 | (1) |
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211 | (8) |
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211 | (2) |
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213 | (1) |
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214 | (2) |
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216 | (1) |
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7.7.5 Elephant endotheliotropic herpesviruses |
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217 | (2) |
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8 Housing and handling elephants |
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219 | (1) |
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8.2 Wild elephant decline and the establishment of ex situ breeding programmes |
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219 | (3) |
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222 | (16) |
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8.3.1 Housing and containment |
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222 | (1) |
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8.3.2 Early elephant houses |
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223 | (6) |
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8.3.3 Enclosure size and substratum |
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229 | (8) |
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237 | (1) |
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8.4 The cost of keeping elephants under good welfare conditions |
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238 | (5) |
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8.5 Elephants and their caretakers |
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243 | (7) |
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8.5.1 Keeper--elephant bonds |
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243 | (1) |
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8.5.2 Traditional elephant expertise versus zoo husbandry |
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244 | (2) |
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8.5.3 Keeper and mahout deaths |
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246 | (2) |
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8.5.4 Free versus protected contact |
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248 | (2) |
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250 | (9) |
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9 Ethics, pressure groups and the law |
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259 | (1) |
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9.2 Is it ethical to keep elephants in captivity? |
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259 | (5) |
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264 | (2) |
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266 | (21) |
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266 | (1) |
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9.4.2 Ivory in human ownership |
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266 | (2) |
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9.4.3 The UN Convention on Biological Diversity and the IUCN |
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268 | (2) |
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9.4.4 Elephants, zoos and the law |
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270 | (1) |
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9.4.5 The law and elephants in private ownership |
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271 | (1) |
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9.4.6 Elephants, entertainment and the law |
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272 | (2) |
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9.4.7 Legal personhood and habeas corpus |
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274 | (1) |
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9.4.8 Elephant cruelty and cruel methods |
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275 | (3) |
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9.4.9 Zoos and the wildlife trade |
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278 | (4) |
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9.4.10 A right to companionship and retirement |
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282 | (2) |
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9.4.11 Financial support for in situ conservation |
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284 | (3) |
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10 The conservation value of captive elephants |
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287 | (3) |
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10.2 The popularity of elephants in zoos |
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290 | (4) |
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10.3 Zoo elephants as insurance populations |
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294 | (3) |
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294 | (1) |
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10.3.2 The Species Survival Plan in North America |
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295 | (1) |
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10.3.3 The European Endangered species Programme |
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295 | (1) |
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10.3.4 Are zoo elephant populations sustainable? |
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296 | (1) |
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297 | (1) |
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10.5 The development of technologies relevant to field conservation |
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298 | (2) |
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10.6 Educational function |
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300 | (6) |
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10.7 Professional training of local conservationists and associated technology transfer |
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306 | (1) |
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10.8 Fundraising for in situ conservation |
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307 | (1) |
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10.9 Do zoo and conservation authorities support captive breeding in zoos? |
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308 | (1) |
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10.10 Captive breeding in range states |
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309 | (1) |
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10.11 `Domestication' of African elephants |
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310 | (1) |
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310 | (3) |
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11 The future of elephants in captivity |
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313 | (1) |
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313 | (2) |
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11.3 Rewilding -- shades of Jurassic Park |
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315 | (1) |
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316 | (1) |
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317 | (1) |
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317 | (1) |
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11.7 A repository of useful genes |
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318 | (2) |
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320 | (1) |
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11.9 Elephants as therapy |
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320 | (1) |
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321 | (1) |
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321 | (3) |
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11.12 Consumptive use or intensive protection zones? |
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324 | (2) |
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11.13 The court of public opinion |
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326 | (1) |
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326 | (1) |
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327 | (2) |
Appendix |
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329 | (4) |
Glossary |
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333 | (8) |
References |
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341 | (38) |
Index |
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379 | |