## 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. |

### From inside the book

Results 1-3 of 18

Page 18

As in our analysis of environmental stochasticity, we are interested in the average

given by: N = Noe" Equation 1.12 which is the same as in the deterministic model

...

As in our analysis of environmental stochasticity, we are interested in the average

**population size**and its variance. The average**population size**at time t is againgiven by: N = Noe" Equation 1.12 which is the same as in the deterministic model

...

Page 19

To summarize, the average

growth is the same as in the deterministic model we originally derived. In a

stochastic world, populations can fluctuate because of changes in the

environment that ...

To summarize, the average

**population size**in stochastic models of exponentialgrowth is the same as in the deterministic model we originally derived. In a

stochastic world, populations can fluctuate because of changes in the

environment that ...

Page 45

When the resident territory holders were experimentally removed, floater males

quickly took over their territories, so the total breeding

relatively constant. Density dependence is also seen in the number of surviving ...

When the resident territory holders were experimentally removed, floater males

quickly took over their territories, so the total breeding

**population size**remainedrelatively constant. Density dependence is also seen in the number of surviving ...

### What people are saying - Write a review

#### LibraryThing Review

User Review - dougb56586 - www.librarything.comThis 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 | |

5 other sections not shown

### Other editions - View all

### 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