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 Concept Videos

Microbial Interactions: Competition01:26

Microbial Interactions: Competition

Microbial competition is an ecological interaction in which microorganisms vie for limited resources within shared environments. These resources may include nutrients, space, or light, depending on the system. The intensity and outcome of competition are influenced by the environmental context, such as nutrient availability, spatial constraints, and the diversity of microbial species present. These competitive interactions significantly influence the structure, function, and resilience of...
Competition02:34

Competition

When organisms require the same limited resources within an environment, they may have to compete for them. Competition is a net-negative interaction. Even if two competing individuals or populations do not interact directly, the overall fitness of both competitors is lowered as a result of not having full access to the limited resource.Intraspecific competition, which occurs between individuals of the same species, serves as a natural mechanism for regulating population size. Too much...
Sound Waves: Interference00:53

Sound Waves: Interference

Sound waves can be modeled either as longitudinal waves, wherein the molecules of the medium oscillate around an equilibrium position, or as pressure waves. When two identical waves from the same source superimpose on each other, the combination of two crests or two troughs results in amplitude reinforcement known as constructive interference. If two identical waves, that are initially in phase, become out of phase because of different path lengths, the combination of crests with troughs...
Interference and Diffraction02:18

Interference and Diffraction

Interference is a characteristic phenomenon exhibited by waves. When two electromagnetic waves interact with their peaks and troughs coinciding, a resulting wave with enhanced amplitude is produced. This is known as constructive interference. In this case, the two waves interacting are in phase with each other.
Diffusion01:21

Diffusion

Diffusion is a type of passive transport. In passive transport, a substance tends to move from an area of high concentration to an area of low concentration until the concentration is equal across the space. For example, take the diffusion of substances through the air. When someone opens a perfume bottle in a room filled with people, the perfume is at its highest concentration in the bottle and is at its lowest at the edges of the room. The perfume vapor will diffuse, or spread away, from the...
Diffusion01:12

Diffusion

Diffusion is the passive movement of substances down their concentration gradients—requiring no expenditure of cellular energy. Substances, such as molecules or ions, diffuse from an area of high concentration to an area of low concentration in the cytosol or across membranes. Eventually, the concentration will even out, with the substance moving randomly but causing no net change in concentration. Such a state is called dynamic equilibrium, which is essential for maintaining overall...

You might also read

Related Articles

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

Sort by
Same author

Impact of Access to Pasteurised Donor Human Milk on Rates of Necrotising Enterocolitis in Neonatal Units in Australia: A Cohort Study.

Journal of paediatrics and child health·2026
Same author

Chiropractic's role in strengthening rehabilitation in health systems.

Chiropractic & manual therapies·2026
Same author

Rare vasculitis types and obstetric and neonatal outcomes - A population-based study.

International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics·2026
Same author

Perioperative management of anticoagulation.

The British journal of surgery·2026
Same author

Conservative management of placenta accreta spectrum disorders: a retrospective cohort study.

BMC pregnancy and childbirth·2026
Same author

Proceedings from the inaugural conference on the science of cancer health equity for Sexual and Gender Minority (SGM) communities.

BMC proceedings·2026

Related Experiment Video

Updated: Jun 13, 2026

Monitoring Intraspecies Competition in a Bacterial Cell Population by Cocultivation of Fluorescently Labelled Strains
06:45

Monitoring Intraspecies Competition in a Bacterial Cell Population by Cocultivation of Fluorescently Labelled Strains

Published on: January 18, 2014

Competition and diffusive invasion in a noisy environment.

Horst Malchow1, Alex James, Richard Brown

  • 1Institute of Environmental Systems Research, University of Osnabrück, 49076 Osnabrück, Germany. malchow@uos.de

Mathematical Medicine and Biology : a Journal of the IMA
|May 14, 2010
PubMed
Summary

Environmental instability causes temporary extinction in native and invasive species. Spatiotemporal dynamics and invader removal are key to understanding system changes in competition-diffusion models.

More Related Videos

Deferred Growth Inhibition Assay to Quantify the Effect of Bacteria-derived Antimicrobials on Competition
07:42

Deferred Growth Inhibition Assay to Quantify the Effect of Bacteria-derived Antimicrobials on Competition

Published on: September 3, 2016

Quantification of Interbacterial Competition using Single-Cell Fluorescence Imaging
07:34

Quantification of Interbacterial Competition using Single-Cell Fluorescence Imaging

Published on: September 2, 2021

Related Experiment Videos

Last Updated: Jun 13, 2026

Monitoring Intraspecies Competition in a Bacterial Cell Population by Cocultivation of Fluorescently Labelled Strains
06:45

Monitoring Intraspecies Competition in a Bacterial Cell Population by Cocultivation of Fluorescently Labelled Strains

Published on: January 18, 2014

Deferred Growth Inhibition Assay to Quantify the Effect of Bacteria-derived Antimicrobials on Competition
07:42

Deferred Growth Inhibition Assay to Quantify the Effect of Bacteria-derived Antimicrobials on Competition

Published on: September 3, 2016

Quantification of Interbacterial Competition using Single-Cell Fluorescence Imaging
07:34

Quantification of Interbacterial Competition using Single-Cell Fluorescence Imaging

Published on: September 2, 2021

Area of Science:

  • Ecology
  • Mathematical Biology
  • Theoretical Ecology

Background:

  • Invasive species pose significant threats to native ecosystems.
  • Understanding species invasibility requires robust ecological models.
  • Environmental fluctuations can drastically alter species dynamics.

Purpose of the Study:

  • To investigate the invasibility of a native species' habitat using a competition-diffusion model.
  • To analyze the impact of environmental instability on species coexistence and extinction.
  • To identify critical factors driving system dynamics under fragmentation.

Main Methods:

  • Utilized a competition-diffusion mathematical model.
  • Simulated environmental instability leading to temporary, random extinctions.
  • Analyzed spatiotemporal dynamics of native and invasive species.

Main Results:

  • Environmental instability induces temporary, spatially fragmented extinction events for both species.
  • The spatiotemporal scale of these fragmentation events is a critical determinant of system behavior.
  • Selective removal of the invader significantly influences the overall system dynamics.

Conclusions:

  • Spatiotemporal dynamics and selective invader removal are crucial for understanding invasibility.
  • Environmental instability can paradoxically maintain biodiversity by preventing competitive exclusion.
  • The competition-diffusion model provides insights into ecological resilience under fluctuating conditions.