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 4
... birth rate . The units of b are number of births per individual per unit time [ births / ( individual • time ) ] . Over a short time interval , the number of births in the population is the product of the instantaneous birth rate and ...
... birth rate . The units of b are number of births per individual per unit time [ births / ( individual • time ) ] . Over a short time interval , the number of births in the population is the product of the instantaneous birth rate and ...
Page 28
... birth and death rates , b and d , remained constant . We did explore some models in which b and d fluc- tuated ... rate to decrease because less food and fewer resources are available for organisms to use for reproduction . The simplest ...
... birth and death rates , b and d , remained constant . We did explore some models in which b and d fluc- tuated ... rate to decrease because less food and fewer resources are available for organisms to use for reproduction . The simplest ...
Page 51
... birth rate is quadratic ; it includes an N2 term . This quadratic equation generates an Allee effect for reproduction : the birth rate first increases and then decreases with ... Rate 0.7 0.6 0.5 0.4 0.3 0.2 0.1 Death rate SOLUTIONS 51.
... birth rate is quadratic ; it includes an N2 term . This quadratic equation generates an Allee effect for reproduction : the birth rate first increases and then decreases with ... Rate 0.7 0.6 0.5 0.4 0.3 0.2 0.1 Death rate SOLUTIONS 51.
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