More rapid climate change promotes evolutionary rescue through selection for increased dispersal distance

Jeroen Boeye*, Justin M. J. Travis, Robby Stoks, Dries Bonte

*Corresponding author for this work

Research output: Contribution to journalArticle

27 Citations (Scopus)
4 Downloads (Pure)

Abstract

Species can either adapt to new conditions induced by climate change or shift their range in an attempt to track optimal environmental conditions. During current range shifts, species are simultaneously confronted with a second major anthropogenic disturbance, landscape fragmentation. Using individual-based models with a shifting climate window, we examine the effect of different rates of climate change on the evolution of dispersal distances through changes in the genetically determined dispersal kernel. Our results demonstrate that the rate of climate change is positively correlated to the evolved dispersal distances although too fast climate change causes the population to crash. When faced with realistic rates of climate change, greater dispersal distances evolve than those required for the population to keep track of the climate, thereby maximizing population size. Importantly, the greater dispersal distances that evolve when climate change is more rapid, induce evolutionary rescue by facilitating the population in crossing large gaps in the landscape. This could ensure population persistence in case of range shifting in fragmented landscapes. Furthermore, we highlight problems in using invasion speed as a proxy for potential range shifting abilities under climate change.

Original languageEnglish
Pages (from-to)353-364
Number of pages12
JournalEvolutionary Applications
Volume6
Issue number2
Early online date25 Sep 2012
DOIs
Publication statusPublished - Feb 2013

Fingerprint

Climate Change
climate change
Climate
Population
climate
individual-based model
Proxy
Population Density
anthropogenic activities
population size
fragmentation
persistence
environmental conditions
disturbance
environmental factors
seeds
rate

Keywords

  • Climate change
  • Evolution of dispersal kernels
  • Evolutionary rescue
  • Individual-based model
  • Plants
  • Range expansions

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Ecology, Evolution, Behavior and Systematics
  • Genetics

Cite this

More rapid climate change promotes evolutionary rescue through selection for increased dispersal distance. / Boeye, Jeroen; Travis, Justin M. J.; Stoks, Robby; Bonte, Dries.

In: Evolutionary Applications, Vol. 6, No. 2, 02.2013, p. 353-364.

Research output: Contribution to journalArticle

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