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

Stabilization, birth waves, and the surge in the elderly.

R Schoen, Y J Kim

    Mathematical Population Studies
    |January 1, 1996
    PubMed
    Summary

    Population dynamics stabilize after changes in vital rates, with birth waves diminishing over time. This population model reveals how initial age structure influences stabilization patterns and birth rate fluctuations.

    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

    Streamlining Global Germplasm Exchange: Integrating Scientific Rigor and Common Sense to Exclude Phantom Agents from Regulation.

    Plant disease·2025
    Same author

    Twentieth-century cohort marriage and divorce in England and Wales.

    Population studies·2011
    Same author

    Marriage, divorce, and mortality: A life table analysis.

    Demography·2011
    Same author

    Clinical observations on after-effects of hepatitis epidemica.

    Deutsche medizinische Wochenschrift (1946)·2010
    Same author

    Hyperinsulinism.

    Deutsche medizinische Wochenschrift (1946)·2010
    Same author

    Urethane in the light of hematology.

    Klinische Wochenschrift·2010

    Area of Science:

    • Demography
    • Population Dynamics
    • Mathematical Biology

    Background:

    • Understanding population stability is crucial for demographic projections.
    • Population age structure significantly influences demographic transitions.
    • Vital rates (birth and death rates) are key determinants of population growth and stability.

    Purpose of the Study:

    • To analyze the process of population stabilization after a shift in vital rates.
    • To develop a discrete population model for deriving birth trajectory solutions.
    • To investigate how initial age composition affects birth waves and stabilization.

    Main Methods:

    • Development of a simple discrete population model.
    • Derivation of an explicit solution for the birth trajectory.
    Keywords:
    Age DistributionAge FactorsBirth Rate--changesDemographic FactorsFertilityFertility MeasurementsModels, TheoreticalPopulationPopulation CharacteristicsPopulation DynamicsPopulation GrowthPopulation SizeResearch MethodologyStable PopulationWorld

    Related Experiment Videos

  • Analysis of birth wave amplitude and attenuation based on growth ratios and net maternity patterns.

    • Main Results:

    • New vital rates interact with initial age composition to create birth waves.
    • Amplitude and attenuation of birth waves depend on growth ratios and net maternity.
    • Stabilization initiates at younger ages and progresses upwards.
    • After 60 years, birth waves largely disappear, and the proportion under 15 stabilizes.

    Conclusions:

    • Population stabilization is a gradual process influenced by vital rates and age structure.
    • The developed model accurately predicts birth trajectory and stabilization patterns.
    • Observed population data and Coale-Demeny model stable populations exhibit similar stabilization patterns.