Original Research

A homogeneity index based on species diversity in Sour Bushveld

R. H. Westfall, N. van Rooyen, G. K. Theron
Bothalia | Vol 14, No 2 | a1174 | DOI: https://doi.org/10.4102/abc.v14i2.1174 | © 1983 R. H. Westfall, N. van Rooyen, G. K. Theron | This work is licensed under CC Attribution 4.0
Submitted: 31 October 1983 | Published: 17 December 1983

About the author(s)

R. H. Westfall, Botanical Research Institute, Department of Agriculture, South Africa
N. van Rooyen, Department of Botany. University of Pretoria, South Africa
G. K. Theron, Department of Botany. University of Pretoria, South Africa

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Abstract

The co-efficient of variation (CV) for the linear regressions of species-area curves, on a linear species number/log area scale, for the samples in a community, appears to indicate the homogeneity of the community. A CV of less than 15% appears to indicate homogeneous vegetation while a CV greater than 15% seems to be indicative of vegetation heterogeneity, as correlated with extremes in recorded environmental factors in Sour Bushveld.


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