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 16
... environmental stochasticity , the average pop- ulation size also increases exponentially as a function of 7. However , if the variance in r is too large , there is a measurable risk of population extinction . DEMOGRAPHIC STOCHASTICITY ...
... environmental stochasticity , the average pop- ulation size also increases exponentially as a function of 7. However , if the variance in r is too large , there is a measurable risk of population extinction . DEMOGRAPHIC STOCHASTICITY ...
Page 18
... environmental stochasticity , the variance in population size increases with time , and there is a risk of extinction even for populations with positive r . Demographic stochasticity is especially important at small population sizes ...
... environmental stochasticity , the variance in population size increases with time , and there is a risk of extinction even for populations with positive r . Demographic stochasticity is especially important at small population sizes ...
Page 202
... Environmental stochasticity defined , 14 MacArthur - Wilson model and , 179 population growth and , 13–16 Equilibrium carrying capacity and , 31 Lotka - Volterra competition model , 115-116 , 121-124 number of species , 175 , 178–179 ...
... Environmental stochasticity defined , 14 MacArthur - Wilson model and , 179 population growth and , 13–16 Equilibrium carrying capacity and , 31 Lotka - Volterra competition model , 115-116 , 121-124 number of species , 175 , 178–179 ...
Contents
Logistic Population Growth Expens | 27 |
AgeStructured Population Growth | 55 |
MODEL PRESENTATION AND PREDICTIONS | 90 |
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Common terms and phrases
abundance age class age structure Allee effect allenbyi assumptions axis birth and death birth rate calculate carrying capacity Chapter coexistence colonization competition competitors constant death rate decrease density-dependent depends E. O. Wilson ecology Euler equation example exponential growth Expression extinction rate Figure fluctuations functional response habitat immigration rate interspecific competition isocline of species iteroparous K-selection K₁ K₂ large islands Leslie matrix logarithmic logistic growth logistic model Lotka-Volterra equations Lotka-Volterra model MacArthur-Wilson model mathematical maximum metapopulation metapopulation models N₁ N₂ number of individuals Number of predators number of species Number of victims offspring parasite passive sampling model patches persist population cycles population growth rate population sizes predator and victim predator isocline predator population primer rate of increase red grouse represents reproductive value rescue effect schedule source pool species richness species-area relationship survivorship survivorship curve tion turnover ulation victim density victim isocline victim population zero