## A Primer of EcologyWith the aim of teaching students the essential models in population and community ecology, this book explains in detail the basic concepts of exponential and logistic population growth, age-structured demography, metapopulation dynamics, competition, predation and island biogeography. |

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Page 60

To

original cohort [S(0)}: _S(x) l(x) = S(0) Equation 3.1 The first entry in the 10)

column is 10). It represents the survivorship of the cohort to birth. By definition, all

...

To

**calculate**13), divide the number of survivors of age x [S(x)] by the size of theoriginal cohort [S(0)}: _S(x) l(x) = S(0) Equation 3.1 The first entry in the 10)

column is 10). It represents the survivorship of the cohort to birth. By definition, all

...

Page 62

Some birds have a Type II curve for much of their lives, but often with a steeper

mortality curve during the more vulnerable egg and chick stages. The lsy) and b(x

) schedules are the basis for all our life-table

Some birds have a Type II curve for much of their lives, but often with a steeper

mortality curve during the more vulnerable egg and chick stages. The lsy) and b(x

) schedules are the basis for all our life-table

**calculations**. Keep in mind that ...Page 66

These assumptions make the

realistic birth-flow model, in which individuals reproduce continuously in an age

class, would require more complex

of ...

These assumptions make the

**calculation**of P, and F, relatively simple. A morerealistic birth-flow model, in which individuals reproduce continuously in an age

class, would require more complex

**calculations**. Keep in mind that the estimatesof ...

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#### LibraryThing Review

User Review - dougb56586 - LibraryThingThis is a very good introduction to the mathematical models used in population dynamics. The author begins with a simple exponential model of population growth, gradually extends the model to account ... Read full review

### Contents

Logistic Population Growth | 27 |

AgeStructured Population Growth | 56 |

Metapopulation Dynamics | 91 |

Copyright | |

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### Common terms and phrases

abundance age class age structure Allee effect allenbyi ascidian assumptions axis birth and death birth rate calculate carrying capacity Chapter coexistence colonization competition competitors constant death rate decrease density-dependent depends ecology environmental stochasticity Euler equation example exponential growth Expression extinction rate Figure fluctuations functional response go extinct habitat immigration rate interspecific competition isocline of species iteroparous K-selection large islands Leslie matrix life-table logistic growth logistic model Lotka–Volterra model MacArthur—Wilson model mathematical maximum metapopulation metapopulation models number of individuals number of species Number of victims offspring oligochaetes parasite passive sampling model patches persist population cycles population density population growth rate population sizes predator and victim predator isocline predator population primer propagule pyramidum rate of increase red grouse represents reproductive value rescue effect schedule simple source pool species richness species—area relationship state-space graph survivorship survivorship curve tion turnover ulation victim density victim isocline victim population zero