How Species Interact : Altering the Standard View on Trophic Ecology
Book Details
Format
Hardback or Cased Book
ISBN-10
0199913838
ISBN-13
9780199913831
Publisher
Oxford University Press Inc
Imprint
Oxford University Press Inc
Country of Manufacture
GB
Country of Publication
GB
Publication Date
May 31st, 2012
Print length
192 Pages
Weight
398 grams
Dimensions
23.60 x 16.40 x 1.40 cms
Product Classification:
Probability & statisticsEcological science, the BiosphereAnimal ecologyApplied ecology
Ksh 16,250.00
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This book argues that the "null model" for describing consumer-resource interactions in ecology must be changed. Evidence is drawn from experiments, from observations and from mathematical models.
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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