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Population and Community Ecology of Ontogenetic Development
André M. de Roos & Lennart Persson

Book Description | Endorsements
Chapter 1 [in PDF format]

TABLE OF CONTENTS:

Preface ix

Part I - SUMMARY AND INTRODUCTION

1. Summary: A Bird's-Eye View of Community and Population Effects of Ontogenetic Development 3

  • Historical Background 3
  • Biomass Overcompensation 7
  • Ontogenetic (A)Symmetry in Energetics 8
  • Emergent Community Effects of Biomass Overcompensation 11
  • Ontogenetic Niche Shifts in Consumer Life History 14
  • Ontogenetic Niche Shifts in Predator Life History 15
  • Competition between Consumers with and without Ontogenetic Niche Shifts 17
  • Ontogenetic (A)Symmetry in Energetics and Population Dynamics 19
  • Generalization 22

2. Life History Processes, Ontogenetic Development, and Density Dependence 24

  • Back to Darwin 24
  • Individual- versus Population-Level Assumptions 28
  • The Population Dynamical Triad 32
  • Growth Patterns and the Ecology of Ontogenetic Development 34
  • Body-Size Scaling and Magnitude of Body-Size Changes 40
  • Changes in Ecological Roles over Ontogeny 44
  • Stepping Back--Some Perspectives 45

Part II - ONTOGENETIC DEVELOPMENT AND COMMUNITY STRUCTURE

3. Biomass Overcompensation 49

  • A Stage-Structured, Bioenergetics Model 50
  • Equal Ingestion Rates 64
  • Unequal Ingestion Rates 69
  • Empirical Evidence 86
  • Asymmetry and Life History Effects 90
  • More Complicated Life Histories 93
  • Ontogenetic Symmetry and Biomass Overcompensation 107

4. Emergent Allee Effects through Biomass Overcompensation 115

  • Emergent Allee Effects in Stage-Structured Biomass Models 116
  • Emergent Allee Effects in the Kooijman-Metz Model 136
  • Size-Structured Predators Foraging on Size-Structured Prey 145
  • Empirical Evidence for Emergent Allee Effects 159

5. Emergent Facilitation among Predators on Size-Structured Prey 165

  • Generalists Facilitating Specialist Predators 169
  • Facilitation between Specialist Predators 175
  • Multiple Predators and a Single Prey 186
  • Experimental Evidence 188

6. Ontogenetic Niche Shifts 196

  • Consumer-Resource Systems 198
  • Consequences for Higher Trophic Levels 209
  • Ontogenetic Niche Shifts in Predator Life History 226

7. Mixed Interactions 253

  • Niche Overlap between Stage-Structured Prey and Predators 256
  • Niche Overlap between Size-Structured Prey and Predators 281
  • Empirical Studies 292

8. Ontogenetic Niche Shifts, Predators, and Coexistence among Consumer Species 296

  • Ontogenetic Niche Shifts and Interspecific Competition 297
  • Ontogenetic Niche Shifts in Both Consumers 311
  • Effects of Predators on Coexistence of Consumers 317

Part III - ONTOGENETIC DEVELOPMENT AND COMMUNITY DYNAMICS

9. Dynamics of Consumer-Resource Systems 329

  • A Size-Structured Population Model 330
  • Other Size-Dependent Consumer-Resource Dynamics 354
  • Daphnia-Algae as a Model System for the Study of Stage-Structured Dynamics 357

10. Dynamics of Consumer-Resource Systems with Discrete Reproduction: Multiple Resources and Confronting Model Predictions with Empirical Data 361

  • Overall Model Characteristics 362
  • Derivation of Individual-Level Model 363
  • The Model at the Population Level 369
  • Critical Resource Density and Cohort Dynamics 373
  • Multiple Resources and Ontogenetic Niche Shifts 378
  • Model Predictions and Empirical Data 384

11. Cannibalism in Size-Structured Systems 391

  • Background Overview 392
  • A Discrete-Continuous Model for Cannibalism 396
  • Effects of Harvesting Cannibalistic Populations 412
  • Giant Individuals: Theory and Observation 416

Part IV - EXTENSIONS AND PERSPECTIVES

12. Demand-Driven Systems, Model Hierarchies, and Ontogenetic Asymmetry 425

  • Demand-Driven Systems 426
  • Unicellular Organisms 437
  • Model Hierarchies, Model Simplifications, and Model Testing 439
  • Development versus Reproduction Control: Ontogenetic Asymmetry 448

Technical Appendices

  • 1 Basic Size-Structured Population Model 451
  • 2 Derivation of the Yodzis and Innes Model 454
  • 3 Derivation of the Stage-Structured Biomass Model 456<
  • 4 Equilibrium Computations for Physiologically Structured Models 462
  • 5 Computing Parameter Bounds to Overcompensation in the Stage-Structured Bioenergetics Model 472
  • 6 Ontogenetic Symmetry and Asymmetry in Energetics 475
  • 7 Mechanisms Leading to Biomass Overcompensation 483
  • 8 Discrete-Continuous Consumer-Resource Models 491
  • 9 A Demand-Driven Energy Budget Model 496

References 505
Index 525

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File created: 10/23/2013

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