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How Species Interact - Altering the Standard View on Trophic Ecology (Hardcover)
Loot Price: R3,370
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How Species Interact - Altering the Standard View on Trophic Ecology (Hardcover)
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Understanding the functioning of ecosystems requires the
understanding of the interactions between consumer species and
their resources. How do these interactions affect the variations of
population abundances? How do population abundances determine the
impact of predators on their prey? The view defended in this book
is that the "null model" that most ecologists tend to use is
inappropriate because it assumes that the amount of prey consumed
by each predator is insensitive to the number of conspecifics. The
authors argue that the amount of prey available per predator,
rather than the absolute abundance of prey, is the basic
determinant of the dynamics of predation. This so-called ratio
dependence is shown to be a much more reasonable "null model."
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