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Related Experiment Videos

A second look at some data on a cline.

B F Manly

    Heredity
    |June 1, 1975
    PubMed
    Summary

    Re-analysis of moth survival data challenges previous findings. New survival probability estimates for Amathes glareosa morphs differ from earlier conclusions.

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    Heredity·1977

    Area of Science:

    • Ecology
    • Evolutionary Biology
    • Population Genetics

    Background:

    • Kettlewell et al. (1969) studied clinal variation in Amathes glareosa morph frequencies.
    • Previous research suggested specific survival rates for typica and edda morphs based on release location.

    Purpose of the Study:

    • To re-analyze release-recapture data from Kettlewell et al. (1969).
    • To recalculate daily survival probabilities for Amathes glareosa morphs.
    • To investigate the influence of release locality and morph on survival rates.

    Main Methods:

    • Release-recapture data re-analysis.
    • Calculation of daily survival probabilities.
    • Statistical "explanation" of survival based on locality and morph.

    Main Results:

    • Daily survival probabilities for Amathes glareosa morphs were estimated.
    • Survival probabilities were analyzed in relation to release site and morph.
    • The original conclusions regarding moth survival were not supported by the re-analysis.

    Conclusions:

    • The re-analysis provides updated survival estimates for Amathes glareosa.
    • Discrepancies exist between current findings and Kettlewell et al. (1969) conclusions.
    • Further investigation into morph-specific survival in relation to environmental factors is warranted.

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