Overview

Food webs hold a central place in ecology. They describe which organisms feed on which others in natural habitats. This book describes recently discovered empirical regularities in real food webs: it proposes a novel theory unifying many of these regularities, as well as extensive empirical data. After a general introduction, reviewing the empirical and theoretical discoveries about food webs, the second portion of the book shows that community food webs obey several striking phenomenological regularities. Some of these unify, regardless of habitat. Others differentiate, showing that habitat significantly influences structure. The third portion of the book presents a theoretical analysis of some of the unifying empirical regularities. The fourth portion of the book presents 113 community food webs. Collected from scattered sources and carefully edited, they are the empirical basis for the results in the volume. The largest available set of data on community food webs provides a valuable foundation for future studies of community food webs. The book is intended for graduate students, teachers and researchers primarily in ecology. The theoretical portions of the book provide materials useful to teachers of applied combinatorics, in particular, random graphs. Researchers in random graphs will find here unsolved mathematical problems.

Full Product Details

Author:   Zbigniew J. Palka ,  Joel E. Cohen ,  Frédéric Briand ,  Charles M. Newman
Publisher:   Springer-Verlag Berlin and Heidelberg GmbH & Co. KG
Imprint:   Springer-Verlag Berlin and Heidelberg GmbH & Co. K
Edition:   Softcover reprint of the original 1st ed. 1990
Volume:   20
Dimensions:   Width: 17.00cm , Height: 1.80cm , Length: 24.20cm
Weight:   0.564kg
ISBN:  

9783642837869

ISBN 10:   3642837867
Pages:   308
Publication Date:   08 December 2011
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   Manufactured on demand  
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Table of Contents

I. General Introduction.- § 0. Food Webs and Community Structure.- II. Empirical Regularities.- § 0. Untangling an Entangled Bank.- § 1. Ratio of Prey to Predators in Community Food Webs.- § 2. Community Food Webs Have Scale-Invariant Structure.- § 3. Trophic Links of Community Food Webs.- § 4. Food Webs and the Dimensionality of Trophic Niche Space.- § 5. Environmental Control of Food Web Structure.- § 6. Environmental Correlates of Food Chain Length.- III. A Stochastic Theory of Community Food Webs.- § 1. Theory: Circles of Complexity, Spherical Horses.- § 2. Models and Aggregated Data.- § 3. Individual Webs.- § 4. Predicted and Observed Lengths of Food Chains.- § 5. Theory of Food Chain Lengths in Large Webs.- § 6. Intervality and Triangulation in the Trophic Niche Overlap Graph.- IV. Data on 113 Community Food Webs.- References.- Acknowledgements.- Authors Index.

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