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How Species Interact

Name: How Species Interact
Brand: Oxford University Press Inc
SKU: 01324389
Price: 96.59 EUR
Availability: InStock
Author: Roger Arditi
ISBN: 9780199913831

Roger Arditi

Language

English

Book Hardback

Libristo code: 01324389

Publishers Oxford University Press Inc, May 2012

Understanding the functioning of ecosystems requires the understanding of the interactions between c... Full description

Libristo code: 01324389

236 b

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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."