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

Tests for deletion.

D F Sinclair, J E Mosimann, D A Meeter

    Biometrics
    |December 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

    Species may be excluded from environments if they are too similar to existing species. This study develops statistical tests for species deletion hypotheses, finding them to have low power in ecology but potential in other fields.

    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

    Natural history of Schistosoma mansoni infection in mice: egg production, egg passage in the feces, and contribution of host and parasite death to changes in worm numbers.

    The American journal of tropical medicine and hygiene·1994
    Same author

    Kinetics of egg production and egg excretion by Schistosoma mansoni and S. japonicum in mice infected with a single pair of worms.

    The American journal of tropical medicine and hygiene·1994
    Same author

    Further studies on the lysozyme-like activity of alpha-lactalbumin: development of alternative methods of assay.

    Analytical biochemistry·1993
    Same author

    Persistence of eggs and hepatic fibrosis after treatment of Schistosoma mansoni-infected mice.

    The American journal of tropical medicine and hygiene·1992
    Same author

    Comparative safety and efficacy of short ragweed extracts differing in potency and composition in the treatment of fall hay fever. Use of allergenically bioequivalent doses by parallel line bioassay to evaluate comparative safety and efficacy.

    Allergy·1990
    Same author

    Tests for character displacement.

    Biometrics·1985
    Same journal

    Acknowledgment of Referees 2025.

    Biometrics·2026
    Same journal

    Fast penalized generalized estimating equations for large longitudinal functional datasets.

    Biometrics·2026
    Same journal

    Causally-interpretable random-effects meta-analysis.

    Biometrics·2026
    Same journal

    Statistical inference for mean function of partially observed functional time series.

    Biometrics·2026
    Same journal

    Subgroup identification via Interaction Tree and Mixed Model for Repeated Measures with application to Alzheimer's disease.

    Biometrics·2026
    Same journal

    Finite mixtures of linear quantile regressions with concomitant variables: a solution to endogeneity in longitudinal data modeling.

    Biometrics·2026
    See all related articles

    Area of Science:

    • Ecology
    • Statistical Ecology
    • Biodiversity Science

    Background:

    • Ecological theory suggests species exclusion can occur due to limited niche differentiation.
    • Species may be 'deleted' from communities if their traits, such as size, overlap too much with existing species.

    Purpose of the Study:

    • To develop and test hypotheses regarding species deletion based on size distributions.
    • To evaluate the statistical power of detection methods for species exclusion phenomena.

    Main Methods:

    • Development of statistical tests assuming random distributions of species sizes.
    • Analysis of contiguous ratios as a measure of species size variation.
    • Assessment of test power under different ecological scenarios.

    Related Experiment Videos

    Main Results:

    • The developed tests provide insights into the behavior of contiguous ratios.
    • The study quantifies the degree of species deletion detectable with statistical confidence.
    • A random-effects approach demonstrated low statistical power for ecological applications.

    Conclusions:

    • Statistical tests for species deletion hypotheses are proposed.
    • The findings suggest limitations in detecting species exclusion in ecology due to low statistical power.
    • The methodology may be more applicable to fields with larger sample sizes.