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 178
... source pool ( P ) and the maximum immigration ( I ) and extinction ( E ) rates . Graphically , this equilibrium species number corresponds to the point on the x axis beneath the intersection of the immigration and extinction curves ...
... source pool ( P ) and the maximum immigration ( I ) and extinction ( E ) rates . Graphically , this equilibrium species number corresponds to the point on the x axis beneath the intersection of the immigration and extinction curves ...
Page 180
... source pool ( Figure 7.6 ) . Because both islands are equidistant from the mainland and colonized by the same source pool of P species , they have the same immigra- tion curve . However , maximum extinction rates on the large island ...
... source pool ( Figure 7.6 ) . Because both islands are equidistant from the mainland and colonized by the same source pool of P species , they have the same immigra- tion curve . However , maximum extinction rates on the large island ...
Page 187
... source pool for these islands was approximately 250 species , and each island supported 20 to 50 species . There are thousands of these man- grove islands in the Florida Keys that differ in their area and distance from colonization sources ...
... source pool for these islands was approximately 250 species , and each island supported 20 to 50 species . There are thousands of these man- grove islands in the Florida Keys that differ in their area and distance from colonization sources ...
Contents
Logistic Population Growth Expens | 27 |
AgeStructured Population Growth | 55 |
MODEL PRESENTATION AND PREDICTIONS | 90 |
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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