
Modelling Biological Populations in Space and Time
Paperback | 25 October 1993
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424 Pages
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| Preface | p. xiii |
| A list of symbols and notation | p. xv |
| Introductory remarks | p. 1 |
| Deterministic or stochastic models? | p. 1 |
| Single-species populations | p. 5 |
| Two-species populations | p. 7 |
| The spatial effect | p. 9 |
| Related topics | p. 11 |
| Simple birth-death processes | p. 15 |
| The pure birth process | p. 16 |
| Deterministic model | p. 17 |
| Stochastic model | p. 17 |
| Simulated model | p. 20 |
| Time to a given state | p. 24 |
| The pure death process | p. 27 |
| Deterministic model | p. 28 |
| Stochastic model | p. 28 |
| Time to extinction | p. 30 |
| Simulation results | p. 31 |
| The simple linear birth and death process | p. 33 |
| Deterministic model | p. 33 |
| Stochastic model | p. 34 |
| Probability of extinction | p. 36 |
| Simulated model | p. 38 |
| Representation as a simple random walk | p. 39 |
| The simple immigration-birth-death process | p. 41 |
| Deterministic model | p. 41 |
| Equilibrium probabilities | p. 42 |
| Appendix | p. 44 |
| General birth--death processes | p. 46 |
| General population growth | p. 46 |
| Probability equations | p. 47 |
| General equilibrium solution | p. 48 |
| Logistic population growth | p. 50 |
| The Verhulst--Pearl equation | p. 51 |
| Growth of a yeast population | p. 53 |
| Growth of two sheep populations | p. 55 |
| Quasi-equilibrium probabilities | p. 58 |
| Simulation of the general population process | p. 59 |
| Simulation results | p. 60 |
| Derivation of inter-event times | p. 63 |
| The Normal approximation to the quasi-equilibrium probabilities | p. 64 |
| Probability of ultimate extinction | p. 65 |
| Mean time to extinction | p. 66 |
| Probability of extinction by time t | p. 68 |
| Derivation of an approximation for p[subscript o](t) | p. 69 |
| Comparison of approximate quasi-equilibrium probability distributions | p. 70 |
| Logistic mean and variance values | p. 71 |
| Derivation of the variance approximation | p. 73 |
| An approximate skewness result | p. 74 |
| A numerical comparison | p. 75 |
| The diffusion approximation | p. 78 |
| Equilibrium probabilities | p. 79 |
| Justifying the Normal approximation | p. 81 |
| Application to the yeast and sheep data | p. 81 |
| Yeast data | p. 81 |
| Tasmanian sheep data | p. 82 |
| South Australian sheep data | p. 83 |
| Appendix | p. 84 |
| Time-lag models of population growth | p. 87 |
| Introduction | p. 88 |
| Reaction time-lag--deterministic analysis | p. 90 |
| Stability conditions | p. 90 |
| Numerical solutions | p. 92 |
| Reaction time-lag--stochastic analysis | p. 94 |
| More general deterministic models | p. 96 |
| Distributed time-delay | p. 97 |
| Periodic and chaotic solutions | p. 100 |
| Three simple deterministic models | p. 100 |
| More general deterministic results | p. 105 |
| Stochastic results | p. 107 |
| Spectral representation | p. 110 |
| Final comments | p. 113 |
| Analysis of field and laboratory data | p. 114 |
| Nicholson's blowflies | p. 116 |
| Description of the data | p. 117 |
| A simple time-delay model | p. 118 |
| Nisbet and Gurney's time-delay model | p. 119 |
| Simulation of the two blowfly models | p. 122 |
| Appendix | p. 125 |
| Competition processes | p. 128 |
| Introduction | p. 129 |
| Experimental background | p. 131 |
| Gause's yeast experiments | p. 131 |
| Birch's grain beetle experiments | p. 135 |
| Stability | p. 137 |
| Local stability | p. 139 |
| Global stability | p. 140 |
| General stability conditions | p. 143 |
| Stochastic behaviour | p. 146 |
| Park's flour beetle experiments | p. 146 |
| Gause's competitive exclusion principle | p. 148 |
| Simulation of two-species competition | p. 149 |
| Probability equations | p. 154 |
| Extinction | p. 156 |
| Extinction probabilities | p. 156 |
| Times to extinction | p. 160 |
| Quasi-equilibrium probabilities | p. 161 |
| Predator-prey processes | p. 166 |
| The Lotka-Volterra model | p. 167 |
| Local deterministic solution | p. 169 |
| Biological investigations | p. 171 |
| Simulation of the stochastic model | p. 173 |
| A trajectory indicator | p. 175 |
| Final comments | p. 176 |
| The Volterra model | p. 176 |
| Deterministic trajectories | p. 177 |
| General local solution | p. 178 |
| Local Volterra solution | p. 180 |
| The coefficient of variation | p. 182 |
| Comparison with simulated runs | p. 185 |
| Autocorrelation representation | p. 185 |
| Mean time to extinction | p. 189 |
| Cross-correlation representation | p. 190 |
| Some stochastic thoughts | p. 191 |
| The Leslie and Gower model | p. 191 |
| The Holling--Tanner model | p. 192 |
| Stability analysis | p. 194 |
| Simulation of the stochastic model | p. 197 |
| A model for prey-cover | p. 199 |
| Stability analysis | p. 199 |
| Deterministic versus stochastic behaviour | p. 201 |
| Final comments | p. 203 |
| Spatial predator--prey systems | p. 205 |
| Huffaker's experiments | p. 205 |
| Simulation of the spatial Lotka--Volterra model | p. 208 |
| Spatial simulation approach | p. 209 |
| Results for model A | p. 210 |
| Results for model B | p. 213 |
| Follow-up remarks | p. 214 |
| Matrix representation | p. 214 |
| Four-state representation | p. 215 |
| Eight-state representation | p. 216 |
| Simulation of the eight-state representation | p. 220 |
| Fluctuating environments | p. 223 |
| Deterministic variability | p. 223 |
| Examples | p. 225 |
| A simulation run | p. 227 |
| Local solutions | p. 228 |
| Conclusions | p. 231 |
| Jillson's flour beetle experiment | p. 233 |
| Stochastic behaviour with deterministic variability | p. 236 |
| The stochastic equation | p. 236 |
| Autocovariance results | p. 238 |
| Mean time to extinction | p. 240 |
| Random environments | p. 241 |
| Four particular models | p. 242 |
| The autoregressive model (D) | p. 245 |
| Comparison of the autocovariances | p. 248 |
| Coherence time | p. 250 |
| Period remembering or period forgetting? | p. 252 |
| The Canadian lynx data | p. 253 |
| Spatial population dynamics | p. 258 |
| The simple random walk | p. 259 |
| Position after n steps | p. 260 |
| Use of the Normal approximation | p. 261 |
| Absorbing barriers | p. 261 |
| Reflecting barriers | p. 263 |
| Brownian motion | p. 264 |
| Application of diffusion processes | p. 266 |
| Skellam's examples | p. 267 |
| Broadbent and Kendall's example | p. 268 |
| Stepping-stone models (1) | p. 272 |
| Equilibrium probabilities | p. 273 |
| The two-colony model | p. 275 |
| Mean values | p. 275 |
| Variances and covariances | p. 277 |
| Three special cases | p. 278 |
| Approximate probabilities | p. 279 |
| Conditions for ultimate extinction | p. 281 |
| Simulation | p. 281 |
| Stepping-stone models (2) | p. 284 |
| Special case of v[subscript 2] = 0 | p. 285 |
| Velocities for v[subscript 2] ] 0 | p. 287 |
| Comparison of diffusion and stepping-stone velocities | p. 287 |
| Further results | p. 288 |
| An application to the spread of Tribolium confusum | p. 289 |
| Possible models | p. 290 |
| A stepping-stone approach | p. 291 |
| Discussion | p. 293 |
| Simulation of the diffusion and stepping-stone processes | p. 295 |
| The diffusion process | p. 295 |
| The stepping-stone process | p. 297 |
| Comparison of velocities | p. 298 |
| Spatial predator--prey processes revisited | p. 299 |
| The spatial Volterra model | p. 300 |
| A spatial diffusion model | p. 304 |
| Turing's model for morphogenesis | p. 310 |
| Solution of the linearized equations | p. 312 |
| A spatial predator-prey example | p. 314 |
| Types of behaviour | p. 314 |
| Application to a spatial Volterra system | p. 317 |
| Simulated stochastic waves | p. 319 |
| Epidemic processes | p. 324 |
| Introduction | p. 324 |
| Simple epidemics | p. 325 |
| The epidemic curve | p. 326 |
| Duration time | p. 328 |
| General epidemics | p. 330 |
| The epidemic curve | p. 330 |
| The deterministic threshold theorem | p. 331 |
| The stochastic threshold theorem | p. 332 |
| Stochastic realizations | p. 333 |
| Recurrent epidemics | p. 336 |
| Deterministic analysis | p. 338 |
| Stochastic considerations | p. 341 |
| The Lotka-Volterra approach | p. 343 |
| An extension to malaria | p. 344 |
| The basic deterministic model | p. 345 |
| Stochastic comments | p. 348 |
| Spatial models | p. 350 |
| Deterministic spread | p. 351 |
| Stochastic spread | p. 353 |
| A carcinogenic growth process | p. 357 |
| Linear and branching architectures | p. 360 |
| The spatial distribution of Epilobium angustifolium in a recently thinned woodland | p. 362 |
| Two-dimensional spectral analysis | p. 362 |
| A simple cosine wave example | p. 363 |
| Analysis of the willow herb data | p. 364 |
| Simulation of directional spread | p. 366 |
| Spatial branching models for canopy growth | p. 368 |
| Honda's deterministic model | p. 369 |
| Description of measurements | p. 369 |
| Simulation of canopy structure | p. 372 |
| Spatial branching models for structural root systems | p. 373 |
| Description of measurements | p. 375 |
| A temporal simulation model | p. 377 |
| A fixed-time simulation model | p. 379 |
| Discussion of the role of simulation | p. 380 |
| References | p. 385 |
| Author index | p. 394 |
| Subject index | p. 397 |
| Table of Contents provided by Syndetics. All Rights Reserved. |
ISBN: 9780521448550
ISBN-10: 0521448557
Series: Cambridge Studies in Mathematical Biology
Published: 25th October 1993
Format: Paperback
Language: English
Number of Pages: 424
Audience: General Adult
Publisher: Cambridge University Press
Country of Publication: GB
Dimensions (cm): 22.86 x 15.24 x 2.39
Weight (kg): 0.63
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