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Journal Articles Nature Ecology & Evolution Year : 2018

Bottom-up and top-down control of dispersal across major organismal groups

Dries Bonte
Frederik de Laender
  • Function : Author
Oliver Kaltz
Luc Madec
Julien Cote

Abstract

Ecology and evolution unfold in spatially structured communities, where dispersal links dynamics across scales. Because dispersal is multicausal, identifying general drivers remains challenging. In a coordinated distributed experiment spanning organisms from protozoa to vertebrates, we tested whether two fundamental determinants of local dynamics, top-down and bottom-up control, generally explain active dispersal. We show that both factors consistently increased emigration rates and use metacommunity modelling to highlight consequences on local and regional dynamics.
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Dates and versions

hal-01936819 , version 1 (04-12-2018)

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Emanuel A Fronhofer, Delphine Legrand, Florian Altermatt, Armelle Ansart, Simon Blanchet, et al.. Bottom-up and top-down control of dispersal across major organismal groups. Nature Ecology & Evolution, 2018, 2 (12), pp.1859-1863. ⟨10.1038/s41559-018-0686-0⟩. ⟨hal-01936819⟩
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