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

Predation and disturbance interact to shape prey species diversity.

Romain Gallet1, Samuel Alizon, Pierre-Arnaud Comte

  • 1Laboratoire Parasitologie Evolutive, Centre National de la Recherche Scientifique Unite Mixte de Recherche (CNRS UMR) 7103, Universite Pierre et Marie Curie, Paris Cedex 05, France. rgallet@gmail.com

The American Naturalist
|September 15, 2007
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

Colloid-facilitated release of PFAS from polluted-soil monoliths.

Journal of hazardous materials·2026
Same author

Patients implanted with a leadless pacemaker after transcatheter aortic valve implantation: Results from the MITAVI prospective study.

Archives of cardiovascular diseases·2026
Same author

Selection of porin and LPS mutants during infection by phage T4 facilitates the emergence of β-lactam resistance in Escherichia coli.

npj antimicrobials and resistance·2026
Same author

Genome wide association study of vaginal microbiota genetic diversity in French women.

Open research Europe·2026
Same author

Remote ischemic conditioning in intensive care: From bench to bedside.

Annals of intensive care·2026
Same author

The mecillinam resistome in <i>Klebsiella pneumoniae</i>: how resistance to a one-target β-lactam triggers a diversity of responses.

Antimicrobial agents and chemotherapy·2026
Same journal

Traffic Reduction during COVID-19 Lockdowns Benefited Species Already Tolerant of Noise Pollution: An Acoustic Analysis.

The American naturalist·2026
Same journal

On Pachycephalosaurs, Trade-Offs, and the Historical Genesis of Sociosexual Display Structures.

The American naturalist·2026
Same journal

Structured Landscapes Promote Persistence by Favoring Prudent Predators.

The American naturalist·2026
Same journal

Can Carbon Economy Explain Leaf Dynamic Seasonality in a Tropical Seasonal Rainforest?

The American naturalist·2026
Same journal

Behavior and Physiology Outpace Form When Linking Traits to Ecological Responses within Populations: A Meta-Analysis.

The American naturalist·2026
Same journal

Seminal Fluid Proteins as Regulation Factors for Optimizing Reproduction: A Modeling Approach.

The American naturalist·2026
See all related articles

Predation is key for species diversity in homogeneous environments, but disturbance significantly alters this effect. This study reveals how predation and disturbance interact to shape prey diversity over time.

Area of Science:

  • Ecology
  • Microbial Ecology
  • Evolutionary Biology

Background:

  • Species diversity is influenced by factors like predation, productivity, spatial heterogeneity, and disturbance.
  • Interactions between these factors, especially predation and disturbance, are understudied.
  • Understanding these interactions is crucial for predicting biodiversity dynamics.

Purpose of the Study:

  • To investigate the interactive effects of predation and disturbance on prey species diversity.
  • To explore the mechanisms driving these interactions using experimental and theoretical approaches.
  • To elucidate how these factors influence the diversification of Pseudomonas fluorescens.

Main Methods:

  • Experimental manipulation of predation (presence/absence of Bdellovibrio bacteriovorus) and disturbance (frequency and intensity).

Related Experiment Videos

  • Theoretical modeling to complement experimental findings.
  • Focus on the bacterial species Pseudomonas fluorescens.

    • Main Results:

    • Predation was essential for promoting prey species diversity in a homogeneous environment.
    • The positive effect of predation on diversity was often transitory and strongly influenced by disturbance.
    • Disturbance was shown to modify the interplay of resource and apparent competition among prey.

    Conclusions:

    • Disturbance significantly modulates the impact of predation on species diversity.
    • The interaction between predation and disturbance is a critical factor in maintaining or altering biodiversity.
    • Findings highlight the complexity of ecological factors shaping microbial community structure and evolution.