## 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 144

The Lotka–Volterra predation model predicts a critical number of victims (q/B) that

controls the

The Lotka–Volterra predation model predicts a critical number of victims (q/B) that

controls the

**predator population**. If there are fewer victims than this, the**predator****population**decreases (downwardpointing arrows). If there are more victims, the ...Page 154

THE PARADOX OF ENRICHMENT The victim isocline may also increase

because of an Allee effect (see Chapter 2) for the

from ...

THE PARADOX OF ENRICHMENT The victim isocline may also increase

because of an Allee effect (see Chapter 2) for the

**prey population**. If larger**prey****populations**are more effective at reproduction, hunting, or defending themselvesfrom ...

Page 159

If the

predator isocline bends to the right. No matter how large the victim population,

the

capacity.

If the

**predator population**is limited by factors other than prey density, thepredator isocline bends to the right. No matter how large the victim population,

the

**predator population**becomes limited when it reaches its own carryingcapacity.

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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