Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Ecological character displacement in quantitative genetic models.

B Drossel1, A McKane

  • 1Department of Theoretical Physics, University of Manchester, UK. Barbara.Drossel@man.ac.uk

Journal of Theoretical Biology
|March 2, 1999
PubMed
Summary

Ecological character displacement can be significant under specific conditions. New findings show slow genetic variance dynamics and certain carrying capacities promote large evolutionary changes in competing species.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Effects of confinement on supercooled tetrahedral liquids.

The Journal of chemical physics·2019
Same author

Effects of the bond polarity on the structural and dynamical properties of silica-like liquids.

The Journal of chemical physics·2018
Same author

Biodiversity and ecosystem functioning in evolving food webs.

Philosophical transactions of the Royal Society of London. Series B, Biological sciences·2016
Same author

3D replicon distributions arise from stochastic initiation and domino-like DNA replication progression.

Nature communications·2016
Same author

The influence of dispersal on a predator-prey system with two habitats.

Journal of theoretical biology·2016
Same author

Evolutionary food web model based on body masses gives realistic networks with permanent species turnover.

Scientific reports·2015

Area of Science:

  • Ecology
  • Evolutionary Biology
  • Quantitative Genetics

Background:

  • Character displacement is an evolutionary response to interspecific competition.
  • Previous models identified genetic rigidity and specific carrying capacities as drivers of displacement.

Purpose of the Study:

  • To analytically and numerically investigate ecological character displacement models.
  • To identify general conditions promoting large character displacement in competing species.

Main Methods:

  • Utilized quantitative genetics and Lotka-Volterra competition models.
  • Symmetric models were analyzed for two competing species.
  • Explored various shapes of carrying capacity and competition functions.

Main Results:

Related Experiment Videos

  • Confirmed known conditions like genetic rigidity and truncated carrying capacities.
  • Identified novel conditions: slow genetic variance dynamics, steep interaction function slopes, and non-truncated carrying capacities.

Conclusions:

  • Character displacement is influenced by a combination of genetic and ecological factors.
  • New insights are provided into the dynamics of evolutionary divergence under competition.