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Related Concept Videos

Conservation of Small Populations02:04

Conservation of Small Populations

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Small population sizes put a species at extreme risk of extinction due to a lack of variation, and a consequent decrease in adaptability. This weakens the chances of survival under pressures such as climate change, competition from other species, or new diseases. Large populations are more likely to survive pressures such as these, as such populations are more likely to harbor individuals that have genetic variants that are adaptive under new stresses. Small populations are much less...
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A population is composed of members of the same species that simultaneously live and interact in the same area. When individuals in a population breed, they pass down their genes to their offspring. Many of these genes are polymorphic, meaning that they occur in multiple variants. Such variations of a gene are referred to as alleles. The collective set of all the alleles within a population is known as the gene pool.
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Population size is dynamic, increasing with birth rates and immigration, and decreasing with death rates and emigration. In ideal conditions with unlimited resources, populations can increase exponentially, which plots as a J-shaped growth rate curve of population size against time. This type of curve is characteristic of newly-introduced invasive species, or populations that have suffered catastrophic declines and are rebounding.
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Health Literacy01:21

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Related Experiment Video

Updated: Feb 15, 2026

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Measuring and Managing Population Health.

William M Tierney, Justin F Rousseau, Anjum Khurshid

    Texas Medicine
    |February 3, 2018
    PubMed
    Summary

    Emerging health technologies like electronic health records and telemedicine are crucial for improving population health management. These tools help overcome data challenges to provide timely, accurate health information for better patient and community care.

    Area of Science:

    • Health Informatics
    • Public Health
    • Health Management

    Background:

    • Effective health care delivery and promotion depend on accessible, accurate information.
    • Population health management faces challenges due to fragmented, incomplete, and disorganized health data.
    • Existing health data often fails to adequately support individual patient care, group management, or community health initiatives.

    Purpose of the Study:

    • To explore the role of evolving information and communication technologies in enhancing population health management.
    • To describe various emerging health technologies and their potential applications.
    • To highlight future opportunities for these technologies in improving population health.

    Main Methods:

    • Review and description of key information and communication technologies relevant to population health.

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  • Discussion of the capabilities and limitations of current health data systems.
  • Analysis of emerging technological tools and their impact on health information accessibility and utility.
  • Main Results:

    • Information and communication technologies are rapidly advancing to support population health management.
    • Key technologies include electronic health records, health information exchanges, patient portals, telemedicine, internet/social media, mobile devices, and wearable sensors.
    • These tools offer significant opportunities to improve the timeliness, accuracy, and organization of health information.

    Conclusions:

    • Emerging health technologies are vital for overcoming data challenges in population health management.
    • The described technologies present future opportunities for enhancing health care delivery, patient management, and community health promotion.
    • Strategic adoption of these technologies can lead to more effective and data-driven population health strategies.