## 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

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Page 119

The arrow is horizontal because the abundance of

the x axis. When you work with state-space graphs, pay close attention to which

...

The arrow is horizontal because the abundance of

**species**1 is represented onthe x axis. When you work with state-space graphs, pay close attention to which

**species**'**isocline**you are plotting. Any point to the left of the**isocline**for**species**1...

Page 120

K2/3 N Figure 5.4 The

model. Note that the arrows point vertically for

is measured on the y axis of the state space graph. Conversely, if we are in the ...

K2/3 N Figure 5.4 The

**isocline**for**species**2 in the Lotka–Volterra competitionmodel. Note that the arrows point vertically for

**species**2, because its abundanceis measured on the y axis of the state space graph. Conversely, if we are in the ...

Page 128

This addition represents the increase in growth rate that

feeding on

the origin, because it now requires fewer competitors to cause extinction (Figure

...

This addition represents the increase in growth rate that

**species**1 receives byfeeding on

**species**2. ... For the prey**species**, IGP swings the**isocline**in towardsthe origin, because it now requires fewer competitors to cause extinction (Figure

...

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#### 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 |

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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