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 18
... ulation size . This probability of extinction is : P ( extinction ) = ( 4 ) No Equation 1.15 For the chimpanzee example , if there were 50 chimps initially , the chance of extinction would be ( 0.50 / 0.55 ) 50 = 0.009 = 0.9 % . However ...
... ulation size . This probability of extinction is : P ( extinction ) = ( 4 ) No Equation 1.15 For the chimpanzee example , if there were 50 chimps initially , the chance of extinction would be ( 0.50 / 0.55 ) 50 = 0.009 = 0.9 % . However ...
Page 48
... ulation while still maintaining a constant stock for future production . If a pop- ulation is growing according to the logistic equation ( or some other model that incorporates a carrying capacity ) , maximum population growth rate ...
... ulation while still maintaining a constant stock for future production . If a pop- ulation is growing according to the logistic equation ( or some other model that incorporates a carrying capacity ) , maximum population growth rate ...
Page 91
... ulation sites that are occupied . Thus , we will ignore the fate of individual populations and model the extent to ... ulations go extinct in the long run , so probabilities of extinction must be mea- sured relative to a particular time ...
... ulation sites that are occupied . Thus , we will ignore the fate of individual populations and model the extent to ... ulations go extinct in the long run , so probabilities of extinction must be mea- sured relative to a particular time ...
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