A Primer of Ecology, Page 2A Primer of Ecology presents a concise but detailed exposition of the most common mathematical models in population and community ecology. It is intended to demystify ecological models and the mathematics behind them by deriving the models from first principles. The Primer explains in detail basic concepts of exponential and logistic population growth, age-structured demography, metapopulation dynamics, competition, predation, island biogeography, and, in a chapter new to this edition, succession. The book may be used as a self-teaching tutorial by students, as a primary textbook, or as a supplemental text to a general ecology textbook. |
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Page 107
... plot the isocline for species 2 in the state space . The isocline of species 2 intersects the y axis at a value of K2 and intersects the x axis at a value of K2 / ẞ . The first case is one in which species 1 is absent and species 2 has ...
... plot the isocline for species 2 in the state space . The isocline of species 2 intersects the y axis at a value of K2 and intersects the x axis at a value of K2 / ẞ . The first case is one in which species 1 is absent and species 2 has ...
Page 209
... plot as a function of population size the per capita elements of the equation that lead to population increases and decreases . The growth term in this equation is rN , but plotting it on a per capita basis gives rN / N = r . Similarly ...
... plot as a function of population size the per capita elements of the equation that lead to population increases and decreases . The growth term in this equation is rN , but plotting it on a per capita basis gives rN / N = r . Similarly ...
Page 210
... plot the two components of growth on a per capita basis as a function of N. As before , plotting the growth term rN on a per capita basis means plotting rN / N = r on the graph . You might be tempted to plot the emigration rate c as a ...
... plot the two components of growth on a per capita basis as a function of N. As before , plotting the growth term rN on a per capita basis means plotting rN / N = r on the graph . You might be tempted to plot the emigration rate c as a ...
Contents
X | 9 |
Logistic Population Growth | 25 |
AgeStructured Population Growth | 49 |
Copyright | |
14 other sections not shown
Common terms and phrases
age class Allee effect allenbyi ascidian assumptions axis birth and death birth rate calculate capita carrying capacity Chapter coexistence colonization competition constant death rate decrease density-dependent depend ecology equilibrium model equilibrium point Euler equation example exponential growth exponential growth model Expression extinction rate Figure functional response grassland habitat immigration rate interspecific competition isocline of species iteroparous K-selection K₁ large islands Leslie matrix logistic growth Lotka-Volterra model MacArthur-Wilson model maximum metapopulation metapopulation models N₁ number of individuals Number of predators number of species Number of victims offspring parasite passive sampling model patches pioneer species population growth rate population sizes predator and victim predator isocline predator population prey propagule rate of increase red grouse represents reproductive value rescue effect semelparous source pool species richness species-area relationship stage vector state-space graph survivorship curve tion transition matrix turnover ulation variance victim abundance victim isocline victim population zero