Facilitation and the niche: Implications for coexistence, range shifts and ecosystem functioning

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Creator
  • Bulleri, F.
    • Other Affiliation: Università di Pisa
  • Bruno, J.F.
    • Affiliation: College of Arts and Sciences, Department of Biology
  • Silliman, B.R.
    • Other Affiliation: Duke University
  • Stachowicz, J.J.
    • Other Affiliation: University of California, Davis
Abstract
  • Viewing facilitation through the lens of the niche concept is one way to unify conceptual and empirical advances about the role of facilitation in community ecology. We clarify conceptually and through examples from marine and terrestrial environments how facilitation can expand species' niches and consider how these interactions can be scaled up to understand the importance of facilitation in setting a species' geographic range. We then integrate the niche-broadening influence of facilitation into current conceptual areas in ecology, including climate change, diversity maintenance and the relationship between diversity and ecosystem functioning. Because facilitation can influence the range of physical conditions under which a species can persist, it has the potential to mitigate the effects of climate change on species distributions. Whereas facilitation has mostly been considered as a diversity-promoting interaction by ameliorating abiotic stresses, if facilitated species' niches expand and become less distinct as a result of habitat amelioration, the forces that maintain diversity and promote coexistence in regions or habitats dominated by the facilitator could be reduced (i.e. the sign of the effects of facilitation on populations could be species-specific). Finally, shifting or broadening ecological niches could alter the relationship between diversity and ecosystem functioning. A niche-based perspective on the effects of facilitation can foster a greater mechanistic understanding of the role played by facilitation in regulating species coexistence, range shifts and ecosystem functioning in a changing world.
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  • Article
Rights statement
  • In Copyright
Journal title
  • Functional Ecology
Journal volume
  • 30
Journal issue
  • 1
Page start
  • 70
Page end
  • 78
Language
  • English
ISSN
  • 0269-8463
Publisher
  • Blackwell Publishing Ltd

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