Energetic Food Webs An analysis of real and model ecosystems 1st Edition by John Moore, Peter de Ruiter ISBN 978-0198566199 0198566199
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Product details:
ISBN 10: 0198566199
ISBN 13: 978-0198566199
Author: John C. Moore, Peter C. de Ruiter
In ecosystems with many species, food webs form highly complex networks of resource-consumer interactions. At the same time, the food web as itself needs sufficient resources to develop and survive. So in fact, food web ecology is about how natural resources form the basis of biological communities, in terms of species richness and abundances as well as how species are organised in communities on the basis of the resource availability and use. The central theme of this book is that patterns in the utilisation of energy result from the trophic interactions among species, and that these patterns form the basis of ecosystem stability.
The authors integrate the latest work on community dynamics, ecosystem energetics, and stability, and in so doing attempt to dispel the categorisation of the field into the separate subdisciplines of population, community, and ecosystem ecology. Energetic Food Webs represents the first attempt to bridge the gap between the energetic and species approaches to ecology.
Table of contents:
Chapter I Approaches to studying food webs
1.1 Introduction
1.2 Traditions in ecology
1.2.1 The community perspective
1.2.2 The ecosystem perspective
1.3 Food webs and traditions in ecology
1.3.1 Theoretically based food webs
1.3.2 Empirically based food webs: architecture
1.3.3 Empirically based food webs: information
1.3.4 How useful are these descriptions?
1.4 Bridging perspectives through energetics
1.4.1 Core concepts and elements
1.4.2 Comments on our approach to studying food webs
1.5 An overview of the parts and chapters
1.6 Summary
Part I Modeling simple and multispecies communities
Chapter 2 Models of simple and complex systems
2.1 Introduction
2.2 Model structure and assumptions
2.2.1 Dimensions of mass, area, and time
2.2.2 Functional responses
2.2.3 Energetic efficiency and conversion rates
2.2.4 Intraspecific competition and self-limitation
2.3 Stability
2.3.1 Local stability
2.3.2 Qualitative stability
2.3.3 Negative diagonal dominance and quasi-diagonal dominance
2.3.3.1 Diagonal dominance
2.3.3.2 Quasi-diagonal dominance
2.3.4 Quasi-diagonal dominance and loops
2.3.4.1 Global stability
2.4 Simple food chains
2.4.1 Primary-producer-based food chains
2.4.2 Detritus-based food chains, internal cycling, and donor control
2.4.2.1 Models of donor-control dynamics
2.4.2.2 The stability of donor control and detritus
2.5 The dynamics of primary-producer-based and detritus-based models
2.6 Summary and conclusions
Chapter 3 Connectedness food webs
3.1 Introduction
3.2 Soil food webs
3.3 The CPER soil food web
3.3.1 Food web components
3.3.1.1 Basal resources
3.3.1.2 Inorganic nitrogen and carbon
3.3.1.3 Consumers
3.3.2 Aspects of food web structure
3.3.2.1 Diversity and food chain length
3.3.2.2 Diversity and complexity
3.3.2.3 Omnivory
3.3.3 Spatial and temporal averaging
3.4 Summary and conclusions
Chapter 4 Energy flux food webs
4.1 Introduction
4.2 Biomass and physiological parameters
4.3 Feeding rates and mineralization rates
4.3.1 Feeding rates, mass balance, and energy budgets
4.3.2 Mineralization rates
4.4 Energy flux descriptions
4.5 Summary and conclusions
Chapter 5 Functional webs
5.1 Introduction
5.2 Interaction strengths
5.2.1 Population models
5.2.2 The Jacobian matrix
5.2.3 Estimating interaction strength from energy flux
5.2.4 Stability
5.3 A functional food web for the CPER
5.3.1 Energy flux and interaction strengths
5.3.2 Mortalities from predation
5.3.3 Functional groups and food web stability
5.4 Summary and conclusions
Part II The dynamics and stability of simple and complex communities
Chapter 6 Energetic organization and food web stability
6.1 Introduction
6.2 Energetic organization and stability
6.3 Distribution of interaction strengths:
trophic-level-dependent interaction strengths
6.3.1 Distribution of biomass and flux rates: the role of energetics
6.3.2 Distribution of interaction strengths: the role of trophic interaction loops
6.3.3 Food web stability: loops and energetics
6.4 Summary and conclusions
Chapter 7 Enrichment, trophic structure, and stability
7.1 Introduction
7.2 Simple primary-producer-based and detritus-based models
7.2.1 Feasibility
7.2.2 Stability and resilience
7.3 Trophic structure and dynamics along a productivity gradient
7.3.1 Transitions in trophic structure
7.3.2 Transitions in dynamic states
7.3.3 Energetic efficiencies
7.3.4 Body size and home range
7.4 More complex models
7.4.1 Attack rates and dynamics
7.4.2 Paradox of enrichment
7.4.3 Enrichment and donor control
7.4.4 Chaos and complex dynamics
7.5 Connections to real-world productivity
7.6 Summary and conclusions
Chapter 8 Modeling compartments
8.1 Introduction
8.2 Complexity, diversity, compartments, and stability
8.3 Defining compartments
8.4 Approaches to studying compartments
8.4.1 Evidence of compartments-binary data I
8.4.2 Evidence of compartments-binary data II
8.4.3 Evidence of compartments-carbon and nitrogen flux
8.4.4 Evidence of compartments-carbon flux and interaction strengths
8.5 The energy channel
8.5.1 Time-flux rates and turnover
8.5.2 Habitats-spatial arrangement
8.5.3 Temporal arrangements and spatial interactions
8.5.4 Structural and dynamic properties
8.5.5 Quasi-independence of dynamics
8.6 Energy channels-structure and stability
8.6.1 Coupled pathways and weak links
8.6.2 Resistance and resilience
8.6.3 Enrichment, predators, and energetic bottlenecks
8.6.4 Donor-controlled dynamics
8.7 Summary and conclusions
Chapter 9 Productivity, dynamic stability, and species richness
9.1 Introduction
9.2 Trophic structure, dynamics, and productivity
9.3 Feasibility revisited
9.4 Feasibility and the hump-shaped curve
9.4.1 Life history strategies and adaptations
9.4.2 Oscillations, instabilities, and population turnover rates
9.4.3 Energetic properties of populations
9.5 Trophic structure and the diversity of production
9.6 A review of hypotheses
9.6.1 Time
9.6.2 Dynamic stability and disturbance
9.6.3 Environmental heterogeneity
9.6.4 Area
9.7 Summary and conclusions
Part III Dynamic food web architectures
Chapter 10 Species-based versus biomass-based food web descriptions
10.1 Introduction
10.2 Dynamic food webs-playing Jenga
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Tags: John Moore, Peter de Ruiter, Energetic Food, An analysis, model ecosystems