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 116
... in size ( Figure 5.2b ) , we would trace a line in the state space . The final equilibrium point is the end of this line , and if either species goes extinct , this ( a ) 10 N2 0 20 ( b ) 116 CHAPTER 5 : COMPETITION The State Space.
... in size ( Figure 5.2b ) , we would trace a line in the state space . The final equilibrium point is the end of this line , and if either species goes extinct , this ( a ) 10 N2 0 20 ( b ) 116 CHAPTER 5 : COMPETITION The State Space.
Page 119
... state space is represented as a horizontal arrow pointing to the right . The arrow is horizontal because the abundance of species 1 is represented on the x axis . When you work with state - space graphs , pay close attention to which ...
... state space is represented as a horizontal arrow pointing to the right . The arrow is horizontal because the abundance of species 1 is represented on the x axis . When you work with state - space graphs , pay close attention to which ...
Page 144
... state space graph , the predator population declines , represented by downward - pointing vertical arrows . To the right of the isocline , there is an excess supply of victims , and the predator population increases , represented by ...
... state space graph , the predator population declines , represented by downward - pointing vertical arrows . To the right of the isocline , there is an excess supply of victims , and the predator population increases , represented by ...
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