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    Author(s): Jonathan J. Ruel; Matthew P. Ayres
    Date: 1999
    Source: TREE Vol 14. no. 9 September 1999
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (616 KB)

    Description

    Many biologists now recognize that environmental variance can exert important effects on patterns and processes in nature that are independent of average conditions. Jenson's inequality is a mathematical proof that is seldom mentioned in the ecological literature but which provides a powerful tool for predicting some direct effects of environmental variance in biological systems. Qualitative predictions can be derived from the form of the relevant response functions (accelerating versus decelerating). Knowledge of the frequency distribution (especially the variance) of the driving variables allows quantitative estimates of the effects. Jensen's inequality has relevance in every field of biology that includes nonlinear processes.

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    Citation

    Ruel, Jonathan J.; Ayres, Matthew P. 1999. Jensen''s Inequality Predicts Effects of Environmental Variation. TREE Vol 14. no. 9 September 1999

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