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  • 9 - Effects of Traits on Ecosystem Processes and Services

  • 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 177-193

  • Summary

    Chapter 9 builds on the concepts of effect traits to provide a tool for connecting biodiversity effects to multiple ecosystem processes and services, through species traits. First, an overview of the multiple effects of different traits, and organism types, on different ecosystem processes is provided. Then, two main hypotheses are proposed to explain how traits influence ecosystem processes: the mass ratio hypothesis (the dominant trait in the community, mainly associated to CWM) and the complementarity hypothesis (the variation in trait values in the community, mainly associated to FD). A detailed discussion is provided on how to disentangle the roles of CWM and FD in affecting ecosystem functions, for which specifically designed experiments are often needed (particularly to tease apart the mathematical non-independence between CWM and FD). These tools are further discussed in the light of classical approaches decomposing biodiversity effects into different components (net diversity effect, selection effect and niche complementarity).