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

[Explicit model for searching behavior of predator].

Iu V Tiutiunov1, N Iu Sapukhina, I N Senina

  • 1Department of Mathematical Methods in Economics and Ecology, Institute of Mechanics & Applied Mathematics, Rostov State University, Stachki ul. 200/1, Rostov-na-Dony 344090, Russia. ytyutyun@math.rsu.ru

Zhurnal Obshchei Biologii
|April 23, 2002
PubMed
Summary
This summary is machine-generated.

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

Relation of the Canadian lynx cycle to a combination of weather variables: A stepwise multiple regression analysis.

Oecologia·2017
Same author

Underestimation of mutual interference of predators.

Oecologia·2017
Same author

[Mechanistic model for the allee effect and interference in predator population].

Biofizika·2013
Same author

The biological control paradox.

Trends in ecology & evolution·2011
Same author

[Trophic function of phytophagous rotifers (Rotatoria). Experiment and modelling].

Zhurnal obshchei biologii·2010
Same author

[Microscale patchiness of the distribution of Harpacticoida as a result of trophotaxis].

Biofizika·2009
Same journal

[On the mechanism of evolution at the ecosystem level of life organization].

Zhurnal obshchei biologii·2018
Same journal

[Coenotic distribution and ecological preferences of Betula pendula and Betula pubescens in Central Russia].

Zhurnal obshchei biologii·2018
Same journal

[Tropisms in underground shoots — stolons and rhizomes].

Zhurnal obshchei biologii·2018
Same journal

[Interconnectedness between ecological successions and catenary arrangement of space].

Zhurnal obshchei biologii·2018
Same journal

[Female mate choice, male-male competition, and male sexual traits: Experimental study of sexual selection directedness in Campbell's dwarf hamster (Phodopus campbelli Thomas 1905)]

Zhurnal obshchei biologii·2018
Same journal

[On the problem of female infertility: A search for genetic markers].

Zhurnal obshchei biologii·2018
See all related articles

This study models predator-prey dynamics using a reaction-diffusion-adjection system. Increased predator searching activity can stabilize populations and create spatial patterns, even with simple models.

Area of Science:

  • Ecology
  • Mathematical Biology
  • Population Dynamics

Context:

  • Predator-prey interactions are fundamental to ecosystem stability.
  • Understanding spatio-temporal dynamics is crucial for ecological modeling.
  • Previous models often lack explicit representation of predator searching behavior.

Purpose:

  • To develop and analyze a reaction-diffusion-adjection model for predator-prey systems.
  • To investigate the impact of predator searching behavior on population dynamics and spatial heterogeneity.
  • To explore the conditions for species persistence and stable interactions.

Summary:

  • A predator-prey model incorporating logistic prey growth, Holling Type II functional response, and predator searching behavior (modeled via advection proportional to prey gradient) was analyzed.

Related Experiment Videos

  • The model utilizes zero-flux boundary conditions.
  • Linear analysis and numerical simulations revealed that predator searching activity influences community dynamics, promoting spatial heterogeneity and stabilizing interactions at low prey densities.

    • Impact:

    • Demonstrates how predator searching behavior can stabilize predator-prey interactions, particularly at low pest densities.
    • Highlights the emergence of spatial heterogeneity driven by predator search strategies.
    • Shows that complex trophic functions are not necessary to achieve these dynamic regimes, simplifying ecological modeling.