More than a meal... integrating non-feeding interactions into food webs

Sonia Kéfi, Eric L. Berlow, Evie A. Wieters, Sergio A. Navarrete, Owen L. Petchey, Spencer A. Wood, Alice Boit, Lucas N. Joppa, Kevin D. Lafferty, Richard J. Williams, Neo D. Martinez, Bruce A. Menge, Carol A. Blanchette, Alison C. Iles, Ulrich Brose

Research output: Contribution to journalArticle

200 Scopus citations

Abstract

Organisms eating each other are only one of many types of well documented and important interactions among species. Other such types include habitat modification, predator interference and facilitation. However, ecological network research has been typically limited to either pure food webs or to networks of only a few (<3) interaction types. The great diversity of non-trophic interactions observed in nature has been poorly addressed by ecologists and largely excluded from network theory. Herein, we propose a conceptual framework that organises this diversity into three main functional classes defined by how they modify specific parameters in a dynamic food web model. This approach provides a path forward for incorporating non-trophic interactions in traditional food web models and offers a new perspective on tackling ecological complexity that should stimulate both theoretical and empirical approaches to understanding the patterns and dynamics of diverse species interactions in nature.

Original languageEnglish (US)
Pages (from-to)291-300
Number of pages10
JournalEcology letters
Volume15
Issue number4
DOIs
StatePublished - Apr 2012

Keywords

  • Ecological network
  • Ecosystem engineering
  • Facilitation
  • Food web
  • Interaction modification
  • Non-trophic interactions
  • Trophic interactions

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics

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  • Cite this

    Kéfi, S., Berlow, E. L., Wieters, E. A., Navarrete, S. A., Petchey, O. L., Wood, S. A., Boit, A., Joppa, L. N., Lafferty, K. D., Williams, R. J., Martinez, N. D., Menge, B. A., Blanchette, C. A., Iles, A. C., & Brose, U. (2012). More than a meal... integrating non-feeding interactions into food webs. Ecology letters, 15(4), 291-300. https://doi.org/10.1111/j.1461-0248.2011.01732.x