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

What are Populations and Communities?00:30

What are Populations and Communities?

30.9K
Overview
30.9K
Habitat Fragmentation02:31

Habitat Fragmentation

15.7K
Habitat fragmentation describes the division of a more extensive, continuous habitat into smaller, discontinuous areas. Human activities such as land conversion, as well as slower geological processes leading to changes in the physical environment, are the two leading causes of habitat fragmentation. The fragmentation process typically follows the same steps: perforation, dissection, fragmentation, shrinkage, and attrition.
15.7K
Distribution and Dispersion00:54

Distribution and Dispersion

20.6K
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...
20.6K
Distributions to Estimate Population Parameter01:26

Distributions to Estimate Population Parameter

4.5K
The accurate values of population parameters such as population proportion, population mean, and population standard deviation (or variance) are usually unknown. These are fixed values that can only be estimated from the data collected from the samples. The estimates of each of these parameters are sample proportion, the sample mean, and sample standard deviation (or variance). To obtain the values of these sample statistics, data are required that have particular distribution and central...
4.5K
Estimating Population Standard Deviation01:26

Estimating Population Standard Deviation

2.5K
When the population standard deviation is unknown and the sample size is large, the sample standard deviation s is commonly used as a point estimate of σ. However, it can sometimes under or overestimate the population standard deviation. To overcome this drawback, confidence intervals are determined to estimate population parameters and eliminate any calculation bias accurately. However, this only applies to random samples from normally distributed populations. Knowing the sample mean and...
2.5K
Bootstrapping01:24

Bootstrapping

782
The term "bootstrap" originated in the 19th century as a metaphor for self-improvement or achieving something independently, without external assistance. This concept extends to statistical bootstrapping, a self-contained method for estimating population parameters through resampling, even though it can be computationally intensive. Developed by the American statistician Dr. Bradley Efron in 1979, bootstrapping provides a robust way to perform inference when the original sample size is...
782

You might also read

Related Articles

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

Sort by
Same author

Divergent population trajectories despite similar response to temperature in a widespread aerial insectivore.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same author

Nationwide monitoring of seabirds reveals species- and site-specific legacy PFAS contamination in French coastal areas.

Environment international·2026
Same author

Soils from marsh: self-organization of biogeomorphological paludal patterns, their potential formation mechanisms and ecological interest.

Journal of the Royal Society, Interface·2026
Same author

Homogeneous fish communities use intertidal salt marshes at high tide, despite environmental diversity: insights from a large-scale monitoring program on French coasts.

Marine environmental research·2025
Same author

Understanding and Predicting Population Response to Anthropogenic Disturbance: Current Approaches and Novel Opportunities.

Ecology letters·2025
Same author

Unusual Suspects: Detection Probability Covaries With Vegetation Productivity and Rainfall for Camera Survey of African Leopards (<i>Panthera pardus pardus</i>).

Ecology and evolution·2025

Related Experiment Video

Updated: Apr 23, 2026

Quantifying Corticolous Arthropods Using Sticky Traps
05:28

Quantifying Corticolous Arthropods Using Sticky Traps

Published on: January 19, 2020

4.9K

Estimating dispersal among numerous sites using capture-recapture data.

Pamela Lagrange, Roger Pradel, Marc Bélisle

    Ecology
    |September 19, 2014
    PubMed
    Summary

    A new multi-event capture-recapture method simplifies dispersal estimation in animals. This approach accounts for memory effects, improving understanding of population dynamics and gene flow in species like the Tree Swallow (Tachycineta bicolor).

    More Related Videos

    Development of New Methods for Quantifying Fish Density Using Underwater Stereo-video Tools
    09:32

    Development of New Methods for Quantifying Fish Density Using Underwater Stereo-video Tools

    Published on: November 20, 2017

    8.8K
    Modeling the Size Spectrum for Macroinvertebrates and Fishes in Stream Ecosystems
    07:41

    Modeling the Size Spectrum for Macroinvertebrates and Fishes in Stream Ecosystems

    Published on: July 30, 2019

    7.1K

    Related Experiment Videos

    Last Updated: Apr 23, 2026

    Quantifying Corticolous Arthropods Using Sticky Traps
    05:28

    Quantifying Corticolous Arthropods Using Sticky Traps

    Published on: January 19, 2020

    4.9K
    Development of New Methods for Quantifying Fish Density Using Underwater Stereo-video Tools
    09:32

    Development of New Methods for Quantifying Fish Density Using Underwater Stereo-video Tools

    Published on: November 20, 2017

    8.8K
    Modeling the Size Spectrum for Macroinvertebrates and Fishes in Stream Ecosystems
    07:41

    Modeling the Size Spectrum for Macroinvertebrates and Fishes in Stream Ecosystems

    Published on: July 30, 2019

    7.1K

    Area of Science:

    • Ecology
    • Population Biology
    • Animal Behavior

    Background:

    • Dispersal is fundamental to habitat selection, population growth, and gene flow, impacting population and evolutionary dynamics.
    • Current methods for estimating animal dispersal, such as multisite capture-recapture and diffusion models, have limitations in scope or complexity.
    • Accurate dispersal estimation is crucial for conservation and understanding ecological processes.

    Purpose of the Study:

    • To develop a novel multi-event capture-recapture approach for estimating animal dispersal.
    • To overcome the site number limitations of traditional capture-recapture models.
    • To enable the quantification of memory effects in dispersal decisions.

    Main Methods:

    • Developed a multi-event capture-recapture framework.
    • Designed the approach for easier implementation in existing statistical software.
    • Applied the method to a long-term dataset of Tree Swallow (Tachycineta bicolor) breeding ecology.

    Main Results:

    • The new approach effectively estimates dispersal rates and accounts for memory effects.
    • It circumvents the site number limitations of traditional multisite models.
    • Demonstrated the method's utility with a real-world ecological dataset.

    Conclusions:

    • The developed multi-event capture-recapture method offers a practical and robust tool for dispersal research.
    • This approach enhances our ability to assess population and evolutionary dynamics by incorporating memory effects.
    • Facilitates more accurate conservation strategies for species with complex dispersal patterns.