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

Types of Selection01:46

Types of Selection

45.5K
Natural selection influences the frequencies of particular alleles and phenotypes within populations in several different ways. Primarily, natural selection can be directional, stabilizing, or disruptive. Directional selection favors one extreme trait and shifts the population towards that phenotype while selecting against individuals displaying alternate traits. Stabilizing selection favors an intermediate trait with a narrow range of variation. Deviation from the optimal phenotype towards an...
45.5K
Frequency-dependent Selection01:21

Frequency-dependent Selection

24.3K
When the fitness of a trait is influenced by how common it is (i.e., its frequency) relative to different traits within a population, this is referred to as frequency-dependent selection. Frequency-dependent selection may occur between species or within a single species. This type of selection can either be positive—with more common phenotypes having higher fitness—or negative, with rarer phenotypes conferring increased fitness.
24.3K
What is Natural Selection?01:32

What is Natural Selection?

130.7K
Natural selection is an evolutionary process in which individuals with survival-promoting traits reproduce at higher rates. These favorable traits become more common within a population or species. Naturally selected traits initially arise via random genetic mutations. In order for selection to occur, there must be variation within a population, the trait controlling the variation must be heritable, and there must be an evolutionary advantage for variation in the trait.
130.7K
Inclusive Fitness00:57

Inclusive Fitness

42.7K
Most altruistic behavior—in which one animal helps another at a cost to themselves—occurs between relatives. Scientists think these altruistic behaviors evolved because they increase the inclusive fitness of the animal providing help.
42.7K
Limits to Natural Selection01:38

Limits to Natural Selection

35.5K
Organisms that are well-adapted to their environment are more likely to survive and reproduce. However, natural selection does not lead to perfectly adapted organisms. Several factors constrain natural selection.
35.5K
Natural Selection and Mating Preferences01:06

Natural Selection and Mating Preferences

612
The principle of natural selection posits that organisms better adapted to their environment are more likely to survive and reproduce. This principle is closely intertwined with mating preferences, a key aspect of sexual selection, which evolutionary psychologists believe is driven by instincts to propagate one's genes. Such instincts significantly influence mating behaviors and preferences between genders.
Females, due to their biological roles in conception, pregnancy, and nursing,...
612

You might also read

Related Articles

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

Sort by
Same author

Interacting effects of human presence and landscape modification on birds and mammals.

Science (New York, N.Y.)·2026
Same author

A call for using rangeland-based livestock operations as model systems for studying the movement ecology of terrestrial animals.

Movement ecology·2025
Same author

Camera trapping for density estimation: comparing the TIFC model to aerial surveys for multiple ungulate populations.

Environmental monitoring and assessment·2025
Same author

A call for increased integration of experimental approaches in movement ecology.

Biological reviews of the Cambridge Philosophical Society·2025
Same author

Practical Consequences of the Bias in the Laplace Approximation to Marginal Likelihood for Hierarchical Models.

Entropy (Basel, Switzerland)·2025
Same author

Coexisting with large carnivores based on the Volterra principle.

Conservation biology : the journal of the Society for Conservation Biology·2025
Same journal

Effects of Climate and Water Limitation on Reproductive Traits and Trait Divergence Across Soil Boundaries in a Serpentine-Tolerant Annual Herb.

Ecology and evolution·2026
Same journal

Integrating Remote Sensing and Machine Learning to Project Global Habitat Suitability and Productivity of Chinese Fir Under Climate Change.

Ecology and evolution·2026
Same journal

Effects of Proximity to Abandoned Livestock Corrals on Standing Grass Biomass, Grass Species Diversity, and Wildlife Use in Olare Motorogi Conservancy, Maasai Mara, Kenya.

Ecology and evolution·2026
Same journal

Untangling Colour Diversity: Ecogeographic Patterns in Two <i>Scolopendra</i> Species Revealed by Citizen Science.

Ecology and evolution·2026
Same journal

Alternative Definitions of Floral Resource Availability Alter Inferred Plant Importance in Plant-Pollinator Networks.

Ecology and evolution·2026
Same journal

Invasion Patterns and Niche Dynamics of the Pollinivorous Florida Calligrapher, <i>Toxomerus floralis</i> (Diptera: Syrphidae) in the Afrotropical Region.

Ecology and evolution·2026
See all related articles

Related Experiment Video

Updated: Feb 25, 2026

Predicting the Effectiveness of Population Replacement Strategy Using Mathematical Modeling
20:36

Predicting the Effectiveness of Population Replacement Strategy Using Mathematical Modeling

Published on: July 4, 2007

9.2K

Relative Selection Strength: Quantifying effect size in habitat- and step-selection inference.

Tal Avgar1, Subhash R Lele2, Jonah L Keim3

  • 1Department of Biological Sciences University of Alberta Edmonton AB Canada.

Ecology and Evolution
|August 4, 2017
PubMed
Summary
This summary is machine-generated.

Researchers developed a new metric, relative selection strength (RSS), to quantify the ecological significance of habitat selection. This provides a standardized way to measure how habitat changes affect animal space use, improving comparisons across studies.

Keywords:
HSASSAlog oddslogistic regressionodds ratioresource selection functionstep selection function

More Related Videos

Using the FishSim Animation Toolchain to Investigate Fish Behavior: A Case Study on Mate-Choice Copying In Sailfin Mollies
10:50

Using the FishSim Animation Toolchain to Investigate Fish Behavior: A Case Study on Mate-Choice Copying In Sailfin Mollies

Published on: November 8, 2018

11.6K
Probing the Limits of Egg Recognition Using Egg Rejection Experiments Along Phenotypic Gradients
07:34

Probing the Limits of Egg Recognition Using Egg Rejection Experiments Along Phenotypic Gradients

Published on: August 22, 2018

8.7K

Related Experiment Videos

Last Updated: Feb 25, 2026

Predicting the Effectiveness of Population Replacement Strategy Using Mathematical Modeling
20:36

Predicting the Effectiveness of Population Replacement Strategy Using Mathematical Modeling

Published on: July 4, 2007

9.2K
Using the FishSim Animation Toolchain to Investigate Fish Behavior: A Case Study on Mate-Choice Copying In Sailfin Mollies
10:50

Using the FishSim Animation Toolchain to Investigate Fish Behavior: A Case Study on Mate-Choice Copying In Sailfin Mollies

Published on: November 8, 2018

11.6K
Probing the Limits of Egg Recognition Using Egg Rejection Experiments Along Phenotypic Gradients
07:34

Probing the Limits of Egg Recognition Using Egg Rejection Experiments Along Phenotypic Gradients

Published on: August 22, 2018

8.7K

Area of Science:

  • Ecology
  • Wildlife Biology
  • Quantitative Ecology

Background:

  • Habitat-selection analyses often lack standardized measures for the ecological significance of statistical estimates.
  • Interpreting the magnitude of selection coefficients and comparing effect sizes across studies remains challenging.

Purpose of the Study:

  • To introduce a novel metric, relative selection strength (RSS), for quantifying the ecological significance of habitat selection.
  • To provide a standardized approach for relating selection strength to habitat condition changes and comparing effect sizes.

Main Methods:

  • Developed the relative selection strength (RSS) metric, derived from the epidemiological risk ratio.
  • Proposed a graphical tool to visualize both conditional and average effects of covariates on space use.
  • Applied the average-effect plot to analyze elk (Cervus elaphus) space use relative to distance to roads.

Main Results:

  • The RSS metric offers a practical interpretation of selection coefficient magnitudes.
  • The graphical tool effectively communicates conditional and average effects of covariates on habitat use.
  • Demonstrated the utility of RSS and average-effect plots in ecological applications.

Conclusions:

  • Relative selection strength (RSS) provides a crucial, standardized measure for interpreting habitat selection.
  • Graphical tools enhance the understanding and application of habitat selection analyses in wildlife ecology.
  • This approach facilitates more robust comparisons and predictions in habitat-use studies.