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

Predator-Prey Interactions02:39

Predator-Prey Interactions

18.7K
Predators consume prey for energy. Predators that acquire prey and prey that avoid predation both increase their chances of survival and reproduction (i.e., fitness). Routine predator-prey interactions elicit mutual adaptations that improve predator offenses, such as claws, teeth, and speed, as well as prey defenses, including crypsis, aposematism, and mimicry. Thus, predator-prey interactions resemble an evolutionary arms race.
18.7K
Distribution and Dispersion00:54

Distribution and Dispersion

22.3K
To understand intra-specific interactions in populations, scientists measure the spatial arrangement of species individuals. This geographic arrangement is known as the species distribution or dispersion. Highly territorial species exhibit a uniform distribution pattern, in which individuals are spaced at relatively equal distances from one another. Species that are highly tied to particular resources, such as food or shelter, tend to concentrate around those resources, and thus exhibit a...
22.3K
Protein Diffusion in the Membrane01:24

Protein Diffusion in the Membrane

4.5K
Proteins show rotational as well as lateral diffusion across the membrane. The lateral diffusion of proteins was confirmed through the cell fusion experiment where mouse and human cells were fused, resulting in hybrid cells. When the human and mouse cells fused, the specific membrane proteins on human and mouse cells were marked with the red and green-fluorescent markers, respectively. Initially, the red and green fluorescence was located on the respective hemisphere of the cell. As time...
4.5K
Speciation Rates01:07

Speciation Rates

21.4K
Overview
21.4K
Mutation, Gene Flow, and Genetic Drift01:09

Mutation, Gene Flow, and Genetic Drift

59.4K
In a population that is not at Hardy-Weinberg equilibrium, the frequency of alleles changes over time. Therefore, any deviations from the five conditions of Hardy-Weinberg equilibrium can alter the genetic variation of a given population. Conditions that change the genetic variability of a population include mutations, natural selection, non-random mating, gene flow, and genetic drift (small population size).
59.4K
Competition02:34

Competition

22.2K
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.
22.2K

You might also read

Related Articles

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

Sort by
Same author

A hybrid approach to study and forecast climate-sensitive norovirus infections in the USA.

Journal of theoretical biology·2024
Same author

Stoichiometric theory in optimal foraging strategy.

Journal of mathematical biology·2024
Same author

Fungal Parasite Transmission in a Planktonic Ecosystem Under Light and Nutrient Constraints.

Bulletin of mathematical biology·2024
Same author

Climate-dependent effectiveness of nonpharmaceutical interventions on COVID-19 mitigation.

Mathematical biosciences·2023
Same author

Stoichiometry and environmental change drive dynamical complexity and unpredictable switches in an intraguild predation model.

Journal of mathematical biology·2023
Same author

Using average transcription level to understand the regulation of stochastic gene activation.

Royal Society open science·2022

Related Experiment Video

Updated: Sep 6, 2025

A Real-Time Interactive System for Studying Confrontational Pursuit Behavior in Rodents
06:25

A Real-Time Interactive System for Studying Confrontational Pursuit Behavior in Rodents

Published on: May 16, 2025

445

Spatiotemporal dynamics induced by intraguild predator diffusion in an intraguild predation model.

Juping Ji1, Genghong Lin2,3, Lin Wang4

  • 1Department of Mathematics and Statistics, University of New Brunswick, Fredericton, NB, E3B 5A3, Canada. jji2@unb.ca.

Journal of Mathematical Biology
|June 29, 2022
PubMed
Summary
This summary is machine-generated.

This study introduces an intraguild predation model with predator diffusion, revealing it can generate complex dynamics like chaos and nonhomogeneous oscillations. Diffusion significantly impacts species interactions and system stability.

Keywords:
DiffusionIntraguild predationSpatially homogeneous oscillationSpatially nonhomogeneous oscillationSpatiotemporal chaos

More Related Videos

Generating Controlled, Dynamic Chemical Landscapes to Study Microbial Behavior
10:07

Generating Controlled, Dynamic Chemical Landscapes to Study Microbial Behavior

Published on: January 31, 2020

6.2K
Collecting Marine Gnathiid Isopod Fish Parasites with Light Traps
06:43

Collecting Marine Gnathiid Isopod Fish Parasites with Light Traps

Published on: September 25, 2023

1.5K

Related Experiment Videos

Last Updated: Sep 6, 2025

A Real-Time Interactive System for Studying Confrontational Pursuit Behavior in Rodents
06:25

A Real-Time Interactive System for Studying Confrontational Pursuit Behavior in Rodents

Published on: May 16, 2025

445
Generating Controlled, Dynamic Chemical Landscapes to Study Microbial Behavior
10:07

Generating Controlled, Dynamic Chemical Landscapes to Study Microbial Behavior

Published on: January 31, 2020

6.2K
Collecting Marine Gnathiid Isopod Fish Parasites with Light Traps
06:43

Collecting Marine Gnathiid Isopod Fish Parasites with Light Traps

Published on: September 25, 2023

1.5K

Area of Science:

  • Mathematical Biology
  • Ecology
  • Dynamical Systems

Background:

  • Intraguild predation is a key ecological interaction where one predator consumes another predator that competes for the same resource.
  • Understanding the spatial dynamics of such systems is crucial for predicting community stability and biodiversity.
  • Previous models often simplified spatial aspects, limiting insights into complex emergent behaviors.

Purpose of the Study:

  • To investigate the impact of intraguild predator diffusion on the dynamics of a three-species interaction model.
  • To analyze the existence and stability of equilibria in the presence of diffusion.
  • To explore the emergence of complex spatiotemporal patterns, including chaos.

Main Methods:

  • Development of a partially degenerate reaction-diffusion system to model intraguild predation with diffusion.
  • Analysis of the system's semiflow properties, including boundedness and dissipativity.
  • Investigation of equilibrium points (boundary and interior) and their stability conditions.
  • Numerical simulations to observe emergent spatial patterns and chaotic behavior.

Main Results:

  • The local system exhibits up to four boundary and two interior equilibria, which can exist even without uniform persistence.
  • Intraguild predator diffusion can lead to spatially nonhomogeneous oscillations and spatiotemporal chaos.
  • The diffusion term can induce transitions between homogeneous oscillations, nonhomogeneous oscillations, and chaotic states.
  • The reaction-diffusion system demonstrates bounded dissipative properties.

Conclusions:

  • Intraguild predator diffusion plays a critical role in shaping the spatial dynamics and complexity of ecological communities.
  • Diffusion can destabilize simple oscillatory states, leading to complex spatiotemporal patterns and chaos.
  • This model provides a framework for understanding how spatial processes influence predator-prey interactions and community stability.