Original Research

An Apparatus for Facilitating the Manual Tabulation of Phytosociological Data

P. J. Müller, M. J. A. Werger, B. J. Coetzee, D. Edwards, N. G. Jarman
Bothalia | Vol 10, No 4 | a1567 | DOI: https://doi.org/10.4102/abc.v10i4.1567 | © 1972 P. J. Müller, M. J. A. Werger, B. J. Coetzee, D. Edwards, N. G. Jarman | This work is licensed under CC Attribution 4.0
Submitted: 15 November 1972 | Published: 17 November 1972

About the author(s)

P. J. Müller, Botanical Research Institute, Department of Agricultural Technical Services,, South Africa
M. J. A. Werger, Botanical Research Institute, Department of Agricultural Technical Services, South Africa
B. J. Coetzee, Botanical Research Institute, Department of Agricultural Technical Services, South Africa
D. Edwards, Botanical Research Institute, Department of Agricultural Technical Services, South Africa
N. G. Jarman, Botanical Research Institute, Department of Agricultural Technical Services, South Africa

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Abstract

Attempts by various continental workers to mechanize and facilitate compilation o f Braun- Blanquet phytosociological tables from raw data are shortly reviewed and a new apparatus for this purpose is described. The apparatus consists o f a table with aluminium channels in which different headed rivets can be placed, symbolizing cover-abundance values. With this apparatus phytosociological tables can be compiled in two stages.


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