## 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 20

Page 61

These can be seen by plotting the logarithm of 13) on the y

the x

The slope of this curve at any point is ln[g(x)]. Therefore, if the survivorship curve

...

These can be seen by plotting the logarithm of 13) on the y

**axis**and age (x) onthe x

**axis**. The points on this graph are connected to form a survivorship curve.The slope of this curve at any point is ln[g(x)]. Therefore, if the survivorship curve

...

Page 116

We can understand these equations much better by using the state space, a

special kind of graph. In the state-space graph, the x

abundance of species 1, and the y

This graph ...

We can understand these equations much better by using the state space, a

special kind of graph. In the state-space graph, the x

**axis**represents theabundance of species 1, and the y

**axis**represents the abundance of species 2.This graph ...

Page 119

The arrow is horizontal because the abundance of species 1 is represented on

the x

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

...

The arrow is horizontal because the abundance of species 1 is represented on

the x

**axis**. When you work with state-space graphs, pay close attention to whichspecies' isocline you are plotting. Any point to the left of the isocline for species 1

...

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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