Preliminary report of methodology and results for analysis of plant pattern subproject research on the Pawnee site
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Abstract
Distributional forms and dispersion characteristics of Opuntia polyacantha were examined in areas subjected to three grazing treatment rates (light, medium, and heavy). Determinations of non-randomness were made from comparisons of observed numbers of individuals per quadrat to the expected number per quadrat derived from a Poisson series. Frequency data were obtained from transects of 256 contiguous dm sq quadrats in 30 m × 30 m study plots within each grazing treatment. The analysis of variance technique applied to the frequency data gave an estimate of the clump sizes within each treatment. ...
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