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The Intensity of Spatial Pattern in Plant Communities

M. O. Hill
Journal of Ecology
Vol. 61, No. 1 (Mar., 1973), pp. 225-235
DOI: 10.2307/2258930
Stable URL: http://www.jstor.org/stable/2258930
Page Count: 11
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
The Intensity of Spatial Pattern in Plant Communities
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Abstract

The intensity of a spatial pattern can be standardized so as to remain approximately constant under random thinning of individuals. The formula for this standardization is presented along with a general discussion of the interpretation of spatial pattern. A particular example is examined in detail, and the relation between the pattern analysis and the ecological conclusions is assessed. Several alternative measures of pattern are compared, including spectral analysis and block-size analysis of variance. It is argued that pattern analysis should not normally be used to examine large-scale environmental control. The mathematical theory of the standardization is given in an appendix.

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