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

Natural extinction on islands.

M Williamson1

  • 1Department of Biology, University of York, U.K.

Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
|November 6, 1989
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

Acceptability of an integrated care program to identify patients at risk of advanced chronic liver disease in Australian primary care settings.

Australian journal of primary health·2026
Same author

Acceptability of the gonorrhoea human challenge model to accelerate vaccine development in UK men.

Vaccine·2025
Same author

Radioactive seed localization is a safe and effective tool for breast cancer surgery: an evaluation of over 25,000 cases.

Journal of radiological protection : official journal of the Society for Radiological Protection·2024
Same author

Impact of shield location on staff and caregiver dose rates for I-131 radiopharmaceutical therapy patients.

Journal of radiological protection : official journal of the Society for Radiological Protection·2023
Same author

An investigation of blood, milk, and urine test patterns for the diagnosis of ketosis in dairy cows in early lactation.

Journal of dairy science·2022
Same author

Reducing milking frequency from twice to once daily as an adjunct treatment for ketosis in lactating dairy cows-A randomized controlled trial.

Journal of dairy science·2021
Same journal

The microlandscapes of tree trunks: the effect of lichen and tree-level characteristics on arthropod communities.

Philosophical transactions of the Royal Society of London. Series B, Biological sciences·2026
Same journal

Centimetre-scale landscapes to assess the motion behaviour and cognition of gastropods and bivalves.

Philosophical transactions of the Royal Society of London. Series B, Biological sciences·2026
Same journal

Intertidal microcosms of wave-swept rocky shores: ecological and physiological insights from a uniquely stressful environment.

Philosophical transactions of the Royal Society of London. Series B, Biological sciences·2026
Same journal

Temporal and spatial variation in temperature and oxygen at the microscale: key niche axes for aquatic life.

Philosophical transactions of the Royal Society of London. Series B, Biological sciences·2026
Same journal

Natural microcosms in ecology: fulfilling the promise of model systems?

Philosophical transactions of the Royal Society of London. Series B, Biological sciences·2026
Same journal

Microbe-induced galls and plant defence: metabolite crosstalk in a co-evolutionary battle.

Philosophical transactions of the Royal Society of London. Series B, Biological sciences·2026
See all related articles

Human activities drive island extinctions, while natural turnover affects rare species, highlighting minimum viable population size. Understanding these ecological dynamics is crucial for conservation efforts.

Area of Science:

  • Ecology
  • Conservation Biology
  • Island Biogeography

Background:

  • Island ecosystems experience significant species turnover due to natural extinction and immigration.
  • Recent island extinctions are predominantly caused by human activities.
  • The phenomenon of minimum viable population size is evident in local population dynamics on islands.

Purpose of the Study:

  • To explore the ecological drivers of species extinction on islands.
  • To evaluate the relevance of the MacArthur-Wilson theory in understanding island turnover.
  • To discuss the development of more robust theories for minimum viable population size.

Main Methods:

  • Analysis of island species turnover and rarity.
  • Review of ecological theories including MacArthur-Wilson theory.

Related Experiment Videos

  • Exploration of population dynamics models and their relation to extinction.
  • Application of Lotka-Volterra and chemostat equations to model community interactions and extinctions.

    • Main Results:

    • Species rarity is a key precursor to extinction.
    • Ecological models reveal sensitivity to invasions, potentially causing extinction cascades.
    • Small environmental changes can lead to significant ecological shifts and extinctions in interactive communities.

    Conclusions:

    • While human activities dominate recent island extinctions, natural turnover is vital for understanding population dynamics.
    • Further development of minimum viable population size theories is needed.
    • Ecological models demonstrate that complex interactions can amplify small environmental changes, leading to substantial biodiversity loss.