Inter-annual variability influences the eco-evolutionary dynamics of range-shifting

Roslyn C. Henry*, Greta Bocedi, Calvin Dytham, Justin M J Travis

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

Understanding the eco-evolutionary dynamics of species under rapid climate change is vital for both accurate forecasting of biodiversity responses and for developing effective management strategies. Using an individual-based model we demonstrate that the presence and form (colour) of inter-annual variability in environmental conditions can impact the evolution of dispersal during range shifts. Under stable climate, temporal variability typically results in higher dispersal. However, at expanding margins, inter-annual variability actually inhibits the evolution of higher emigration propensities by disrupting the spatial sorting and natural selection processes. These results emphasize the need for future theoretical studies, as well as predictive modelling, to account for the potential impacts of inter-annual variability.

Original languageEnglish
Article number228
JournalPeerJ – the Journal of Life & Environmental Sciences
Volume2013
Issue number1
DOIs
Publication statusPublished - 1 Jan 2014

Keywords / Materials (for Non-textual outputs)

  • Climate change
  • Dispersal
  • Environmental noise
  • RangeShifter

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