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2 results

  • 6 - Intraspecific Trait Variability

  • 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 105-128

  • Summary

    Chapter 6 analyses the ecological mechanisms, and implications, of intraspecific trait variability (ITV) and some key approaches to take ITV properly into account in modern trait-based analyses. The different sources of ITV, genetic variation, epigenetic effects and phenotypic plasticity, are discussed and put in the context of species evolution, adaptation to environmental conditions, species distribution potential (including invasive species) and the effects of species on multiple ecosystem properties and trophic interactions. Different tools are provided to quantify how strong ITV affect ecological patterns. A comparison of within- vs between-species trait variability in a community is discussed. Tools showing how strong the effect of changes in species composition (turnover) compared to ITV along environmental gradients are provided. Finally, methods considering ITV to quantify trait differences between species, via trait overlap in trait probability distributions, are discussed in the light of modern tools measuring functional diversity across different scales

Handbook of Trait-Based Ecology
  • From Theory to R Tools
  • Francesco de Bello, Carlos P. Carmona, André T. C. Dias, Lars Götzenberger, Marco Moretti, Matty P. Berg
  • Published online:
    08 March 2021
    Print publication:
    11 March 2021
  • Functional ecology is the branch of ecology that focuses on various functions that species play in the community or ecosystem in which they occur. This accessible guide offers the main concepts and tools in trait-based ecology, and their tricks, covering different trophic levels and organism types. It is designed for students, researchers and practitioners who wish to get a handy synthesis of existing concepts, tools and trends in trait-based ecology, and wish to apply it to their own field of interest. Where relevant, exercises specifically designed to be run in R are included, along with accompanying on-line resources including solutions for exercises and R functions, and updates reflecting current developments in this fast-changing field. Based on more than a decade of teaching experience, the authors developed and improved the way theoretical aspects and analytical tools of trait-based ecology are introduced and explained to readers.