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

Are scared prey as good as dead?

Barney Luttbeg1, Jacob L Kerby

  • 1Department of Environmental Science and Policy, University of California, Davis, One Shields Avenue, Davis, CA 95616, USA. btluttbeg@ucdavis.edu

Trends in Ecology & Evolution
|May 17, 2006
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

Surveys for Three Pathogens Reveal No Chytrid Detections But First Detection of Ranavirus in Southern Torrent Salamanders (Rhyacotriton variegatus) in Northern California, USA.

Journal of wildlife diseases·2025
Same author

Early-life, but not late-life, exposure to predator cues reduce the lifespan and reproductive output of freshwater snails.

Oecologia·2025
Same author

The relative influence of climate extremes and species richness on the temporal variability of bird communities.

Ecology·2025
Same author

Collective signalling is shaped by feedbacks between signaller variation, receiver perception and acoustic environment in a simulated communication network.

Philosophical transactions of the Royal Society of London. Series B, Biological sciences·2024
Same author

Connecting the Pipes: Agricultural Tile Drains and Elevated Imidacloprid Brain Concentrations in Juvenile Northern Leopard Frogs (<i>Rana pipiens</i>).

Environmental science & technology·2023
Same author

Maternal effects, paternal effects, and their interactions in the freshwater snail Physa acuta.

Oecologia·2023
Same journal

Microbial contributions to host life history trade-offs.

Trends in ecology & evolution·2026
Same journal

Can habitat modification in the native range promote invasion?

Trends in ecology & evolution·2026
Same journal

The host-microbiome dimension of ecological regime shifts.

Trends in ecology & evolution·2026
Same journal

The emerging field of wild animal welfare science.

Trends in ecology & evolution·2026
Same journal

Integrating nutritional mutualists into the evolution of defense.

Trends in ecology & evolution·2026
Same journal

Formation of three great Asian plateaus, climate change, and biodiversity: (Trends Ecol. Evol. 40, 970-982; 2025).

Trends in ecology & evolution·2026
See all related articles

Predator effects on prey traits, like behavior and morphology, significantly impact ecological communities. Integrating these trait-mediated effects, alongside density changes, is crucial for accurate ecological studies and models.

Area of Science:

  • Ecology
  • Community Dynamics
  • Predator-Prey Interactions

Background:

  • Predators influence ecosystems by altering prey density and traits (morphology, behavior).
  • Ecological models often overlook trait-mediated effects, focusing primarily on density-dependent impacts.

Purpose of the Study:

  • To highlight the significant role of trait-mediated effects in ecological dynamics.
  • To advocate for the integration of prey trait changes into ecological research and theory.

Main Methods:

  • A meta-analysis synthesizing existing ecological studies was conducted.
  • The study compared the magnitude of trait-mediated effects versus density-mediated effects of predators on prey.

Main Results:

Related Experiment Videos

  • Trait-mediated effects of predators on prey were found to be as substantial as, or even larger than, density-mediated effects.
  • This indicates a critical underestimation of trait effects in current ecological frameworks.

    • Conclusions:

    • Prey trait changes represent a major, yet often neglected, factor in community dynamics.
    • Future ecological studies and theoretical models must incorporate trait-mediated effects for a more comprehensive understanding of ecosystems.