Abstract
IN Research Items in Nature of December 30, p. 833, attention is directed to Dr. C. B. Williams' recent paper1 in which he applies the 'index of diversity' (α) to populations of various kinds. He claims that α is a property of the population, and is independent of sample size. He attempts to use it for the relation between numbers of species and size of sample in samples of plant populations obtained by means of quadrats, and in using some figures of Gleason's implies that, given a random distribution of quadrats, the application of α would be valid.
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References
J. Ecol, 32, 1 (1944).
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JONES, E. Index of Diversity as Applied to Ecological Problems. Nature 155, 390 (1945). https://doi.org/10.1038/155390a0
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DOI: https://doi.org/10.1038/155390a0
