A Primer of Ecology
A 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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Constant b and d. If a population is going to grow with constant birth and death
rates, an unlimited supply of space, food and other resources must be available.
Otherwise, the birth rate will decrease and /or the death rate will increase as ...
Consequently, the per capita birth and death rates, b and d, remained constant.
We did explore some models in which b and d fluctuated through time (
environmental stochasticity), but those fluctuations were density-independent; in
r c/N c/r N Figure A.3 The intrinsic rate of increase (r) and the constant rate of
emigration (c) plotted as a function of population size (N). Because the curves are
plotted on a per capita basis, the emigration rate is plotted as c/N. The two curves
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This is a very good introduction to the mathematical models used in population dynamics. The author begins with a simple exponential model of population growth, gradually extends the model to account ... Read full review
Logistic Population Growth
AgeStructured Population Growth
MODEL PRESENTATION AND PREDICTIONS
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