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  • 10 - Response and Effect Traits across Trophic Levels

  • Francesco de Bello, University of South Bohemia, Czech Republic, Carlos P. Carmona, University of Tartu, Estonia, André T. C. Dias, Universidade Federal do Rio de Janeiro, Lars Götzenberger, Marco Moretti, Matty P. Berg, Vrije Universiteit, Amsterdam
  • Book:
    Handbook of Trait-Based Ecology
    Published online:
    08 March 2021
    Print publication:
    11 March 2021, pp 194-209

  • Summary

    Chapter 10 synthesizes the concepts already introduced, regarding response and effect traits, into the so-called response--effect trait framework. It shows how such a framework can be expanded and tested across different trophic levels, thus assessing how functional traits control species interactions and the consequences of these interactions for ecosystem functioning. The concepts of ‘trophic effect' and 'response traits’ are introduced to assess how traits within a trophic level affect other trophic levels. A further discussion is provided on interesting perspectives incorporating trait-based concepts into plant--animal interaction networks, to identify both niche and neutral mechanisms driving interactions networks and the resulting ecosystem services. Finally, the importance of intraspecific trait variability in the context of species interactions, and ecosystem processes resulting from them, is discussed. The R material accompanying this chapter provides one approach on how to calculate species interaction niche.