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 148
... victim pop- ulation . This is not realistic . We expect that as the victim population becomes more crowded , it will start to be limited by other resources that have noth- ing to do with predators . We can modify the victim isocline to ...
... victim pop- ulation . This is not realistic . We expect that as the victim population becomes more crowded , it will start to be limited by other resources that have noth- ing to do with predators . We can modify the victim isocline to ...
Page 156
... victim densities , generating different population dynamics . There are three reasons for an upturn of the victim isocline . First , the isocline will turn up if there are a fixed number of victim refuges that are secure from predators ...
... victim densities , generating different population dynamics . There are three reasons for an upturn of the victim isocline . First , the isocline will turn up if there are a fixed number of victim refuges that are secure from predators ...
Page 159
... victim , the predator population may be able to increase even when the victim density declines to zero . ( c ) Effects of victim density on the predator isocline . If the size of the victim population acts as a carrying capacity for the ...
... victim , the predator population may be able to increase even when the victim density declines to zero . ( c ) Effects of victim density on the predator isocline . If the size of the victim population acts as a carrying capacity for the ...
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