List of contributors; Foreword; Preface; 1. Introduction; Part I. Community: 2. Perspective: kinds of trait-mediated indirect effects in ecological communities: a synthesis; 3. Consequences of trait changes in host-parasitoid interactions in insect communities; 4. The impact of trait-mediated indirect interactions in marine communities; 5. Trait-mediated indirect interactions in size-structured populations: causes and consequences for species interactions and community dynamics; 6. Trait-mediated effects, density dependence, and the dynamic stability of ecological systems; 7. Plant effects on herbivore-enemy interactions in natural systems; 8. The implications of adaptive prey behavior for ecological communities: a review of current theory; 9. Community consequences of phenotypic plasticity of terrestrial plants: herbivore-initiated bottom-up trophic cascades; 10. Model-based, response surface approaches to quantifying indirect interactions; Part II. Coevolution: 11. Perspective: trait-mediated indirect interactions and the coevolutionary process; 12. Evolutionary indirect effects: examples from introduced plant and herbivore interactions; 13. Indirect evolutionary interactions in a multi-trophic system; 14. The role of trait-mediated indirect interactions for multispecies plant-animal mutualisms; 15. Consequences of trait evolution in a multi-species system; Part III. Ecosystem: 16. Perspective: interspecific indirect genetic effects (IIGEs): linking genetics and genomics to community ecology and ecosystem processes; 17. Species functional traits, trophic control, and the ecosystem consequences of adaptive foraging in the middle of food chains; 18. Effects of herbivores on terrestrial ecosystem processes: the role of trait mediated indirect effects; 19. Functional and heritable consequences of plant genotype on community composition and ecosystem processes; 20. Microbial mutualists and biodiversity in ecosystems; 21. Integrating trait-mediated effects and non-trophic interactions in the study of biodiversity and ecosystem functioning; Part IV. Applied Ecology: 22. Perspective: consequences of trait-mediated indirect interactions for biological control of plant pests; 23. Natural enemy functional identity, trait-mediated interactions, and biological control; 24. Trait-mediated effects modify patch-size density relationships in insect herbivores and parasitoids; 25. Plasticity and trait-mediated indirect interactions among plants; 26. Climate change, phenology, and the nature of consumer-resource interactions: advancing the match/mismatch hypothesis; 27. Coda; Index.