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How Species Interact

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How Species Interact

Altering the Standard View on Trophic Ecology

Roger Arditi, Lev R. Ginzburg

Oxford University Press
Publication date : 2012-04-08

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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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About the book

Author

Roger Arditi , Lev R. Ginzburg

Imprint

Oxford University Press

Collection

n.c

Publication date

2012-04-08

Pages

304 pages

Print ISBN

9780199913831

Language

English

Ebook informations

EAN PDF

9780199913848

Price

£56.96

Copy count 0

Print count 0

File size 2857 Ko

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About author(s)

Roger Arditi

Lev R. Ginzburg

Roger Arditi is a distinguished professor at AgroParisTech in Paris, France. He works for INRA, the French National Institute for Agricultural Research, in the research unit of Ecology and Evolution at University Pierre et Marie Curie. His theoretical and experimental work is focused to basic questions of predation dynamics and applied work addresses agroecological problems. Lev R. Ginzburg has been a professor of ecology and evolution at Stony Brook University since 1977. He has published widely on theoretical and applied ecology, population genetics, and risk analysis. Ginzburg is co-author, with Mark Colyvan, of the popular title Ecological Orbits: How Planets Move and Populations Grow, published by Oxford University Press in 2004.

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