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  • Open Daily: 10am - 10pm
    Alley-side Pickup: 10am - 7pm

    3038 Hennepin Ave Minneapolis, MN
    612-822-4611

Open Daily: 10am - 10pm | Alley-side Pickup: 10am - 7pm
3038 Hennepin Ave Minneapolis, MN
612-822-4611
How Species Interact: Altering the Standard View on Trophic Ecology

How Species Interact: Altering the Standard View on Trophic Ecology

Arditi, Roger
Ginzburg, Lev R.

Hardcover

Environmental StudiesZoology

ISBN10: 0199913838
ISBN13: 9780199913831
Publisher: Oxford University Press
Published: May 11 2012
Pages: 192
Weight: 0.90
Height: 0.60 Width: 6.10 Depth: 9.30
Language: English
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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