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1 | (6) |
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1.1 Physical Challenges of the Marine Environment |
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1 | (1) |
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1.2 Physiological Homeostasis |
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2 | (1) |
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3 | (4) |
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2 Return to the Sea: The Evolution of Marine Mammals |
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7 | (22) |
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7 | (9) |
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7 | (5) |
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12 | (2) |
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14 | (2) |
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16 | (2) |
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18 | (2) |
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20 | (1) |
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2.5 Evolution of Physiological Adaptations for Aquatic Life |
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21 | (2) |
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23 | (2) |
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25 | (4) |
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3 Respiration and the Effects of Pressure |
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29 | (28) |
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3.1 The Alveolar Lungs of Marine Mammals |
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29 | (1) |
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3.2 Lung Volume and Diffusing Capacity |
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30 | (1) |
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3.3 Cartilaginous and Smooth Muscle Reinforcement of Airways |
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31 | (1) |
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32 | (3) |
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35 | (2) |
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37 | (13) |
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38 | (5) |
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43 | (6) |
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3.6.3 Effects of Pressure on Proteins and Cell Membranes: High-Pressure Nervous Syndrome |
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49 | (1) |
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50 | (2) |
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52 | (5) |
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4 Metabolism and Thermoregulation |
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57 | (32) |
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4.1 Basal Metabolic Rate and Allometry |
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57 | (6) |
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63 | (20) |
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4.2.1 Physiological Thermoregulation |
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63 | (18) |
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4.2.2 Behavioral Thermoregulation |
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81 | (2) |
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83 | (2) |
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85 | (4) |
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89 | (44) |
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89 | (9) |
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5.1.1 Laminar and Turbulent Flow |
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89 | (3) |
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92 | (6) |
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5.2 Thrust and Swimming Modes |
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98 | (7) |
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5.2.1 Fully Aquatic Marine Mammals |
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98 | (3) |
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5.2.2 Amphibious Marine Mammals |
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101 | (4) |
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105 | (10) |
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5.3.1 Power Produced by Contracting Muscles |
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105 | (1) |
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5.3.2 Measuring the Energetics of Swimming |
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105 | (5) |
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5.3.3 The Influence of Body Mass on Swimming Energetics |
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110 | (1) |
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5.3.4 Cost per Stroke (CPS) |
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110 | (2) |
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5.3.5 Cost of Transport (COT) |
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112 | (2) |
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114 | (1) |
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115 | (12) |
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5.4.1 The Effect of Buoyancy During Dives |
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116 | (1) |
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5.4.2 Does Negative Buoyancy Conserve Energy and Extend Aerobic Dive Duration? |
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117 | (4) |
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5.4.3 Individual Differences in Buoyancy |
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121 | (1) |
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5.4.4 Seasonal Changes in Buoyancy |
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122 | (1) |
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123 | (1) |
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5.4.6 Positively Buoyant Marine Mammals |
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124 | (3) |
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127 | (2) |
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129 | (4) |
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6 Physiological Adaptations for Breath-Hold Diving |
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133 | (44) |
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133 | (10) |
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6.1.1 A Historical Perspective |
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133 | (5) |
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6.1.2 The Role of the Dive Response During Voluntary Dives |
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138 | (5) |
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6.2 Autonomic and Conscious Control of the Dive Response |
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143 | (3) |
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6.3 The Role of Globins and Body Oxygen Stores |
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146 | (5) |
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6.4 Tissue Level Adaptations for Maintaining Aerobic Metabolism in Skeletal Muscle |
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151 | (6) |
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6.4.1 Convective Oxygen Transport and Capillarity |
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151 | (1) |
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6.4.2 Myoglobin Distribution |
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152 | (1) |
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153 | (2) |
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6.4.4 Mitochondrial Volume Density |
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155 | (1) |
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156 | (1) |
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157 | (1) |
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6.5 Tissue Level Adaptations for Maintaining Aerobic Metabolism in Other Organs |
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157 | (1) |
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157 | (1) |
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158 | (1) |
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158 | (1) |
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6.6 Renal and Splanchnic Organ Function |
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158 | (3) |
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161 | (2) |
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163 | (1) |
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163 | (4) |
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167 | (1) |
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168 | (9) |
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177 | (42) |
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7.1 Photoreception (Vision) |
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177 | (7) |
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179 | (2) |
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181 | (2) |
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183 | (1) |
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183 | (1) |
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184 | (11) |
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7.2.1 Audition and Sound Production |
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184 | (7) |
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191 | (2) |
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7.2.3 Sense of Touch and Vibrissae |
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193 | (2) |
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195 | (1) |
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196 | (7) |
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196 | (2) |
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198 | (1) |
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199 | (4) |
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203 | (1) |
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203 | (4) |
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207 | (3) |
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210 | (9) |
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219 | (48) |
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8.1 Morphological Adaptations for Acquiring Food |
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219 | (25) |
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219 | (9) |
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228 | (10) |
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238 | (3) |
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241 | (3) |
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244 | (3) |
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245 | (1) |
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246 | (1) |
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247 | (8) |
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255 | (1) |
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256 | (3) |
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259 | (8) |
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267 | (12) |
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267 | (1) |
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268 | (1) |
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269 | (2) |
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269 | (1) |
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269 | (2) |
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271 | (1) |
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271 | (1) |
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272 | (1) |
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272 | (3) |
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273 | (1) |
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273 | (1) |
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9.6.3 Phocidae and Odobenidae |
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274 | (1) |
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274 | (1) |
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275 | (1) |
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9.7 Comparison of Sleep Strategies |
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275 | (1) |
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276 | (1) |
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277 | (2) |
Appendix 1 List of Abbreviations and Symbols |
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279 | (2) |
Appendix 2 List of Marine Mammals by Latin and Common Name |
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281 | (6) |
Appendix 3 Maximum Recorded Dive Depths and Durations for Marine Mammals |
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287 | (8) |
Appendix 4 Estimated Energy Efficiency of an Average Mid-water Foraging Dive for a Weddell Seal in McMurdo Sound During the Austral Spring |
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295 | (2) |
Glossary |
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297 | |