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 125
... coexistence ( Case 3 ) Unstable equilibrium ( Case 4 ) Now we have expressions for whether N1 will persist or not , and whether N2 will persist or not . Putting these expressions together generates four alge- braic inequalities that ...
... coexistence ( Case 3 ) Unstable equilibrium ( Case 4 ) Now we have expressions for whether N1 will persist or not , and whether N2 will persist or not . Putting these expressions together generates four alge- braic inequalities that ...
Page 126
... coexistence will occur if : 5 > > 0.2 K2 Expression 5.14 In this case , the two species will coexist with a wide ... coexistence . The Lotka - Volterra equations are the simplest two - species model of com- petition . As you might expect ...
... coexistence will occur if : 5 > > 0.2 K2 Expression 5.14 In this case , the two species will coexist with a wide ... coexistence . The Lotka - Volterra equations are the simplest two - species model of com- petition . As you might expect ...
Page 128
... coexistence of species ? The graphical effect of IGP is to rotate the isoclines . IGP does not change the carrying ... coexistence ( case 3 ; Figure 5.10b ) . Other outcomes are possible , and IGP may provide insight into species ...
... coexistence of species ? The graphical effect of IGP is to rotate the isoclines . IGP does not change the carrying ... coexistence ( case 3 ; Figure 5.10b ) . Other outcomes are possible , and IGP may provide insight into species ...
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