January 2017
Intermediate to advanced
768 pages
27h 45m
English
book
Differential Equations and Linear Algebra, 4th Edition
by C. Henry Edwards, David E. Penney, David T. Calvis, David Calvis
Content preview from Differential Equations and Linear Algebra, 4th Edition
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9.3 Ecological Models: Predators and Competitors
Some of the most interesting and important applications of stability theory involve the interactions between two or more biological populations occupying the same environment. We consider first a predator–prey situation involving two species. One species—the predators—feeds on the other species—the prey—which in turn feeds on some third food item readily available in the environment. A standard example is a population of foxes and rabbits in a woodland; the foxes (predators) eat rabbits (the prey), while the rabbits eat certain vegetation in the woodland. Other examples are sharks (predators) and food fish (prey), bass (predators) and sunfish (prey), ladybugs (predators) and aphids (prey), and ...
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