Abstract

Abstract—Three quantitative cladistic biogeographic methods, namely, component analysis, Brooks parsimony analysis (BPA), and three-area statements (TAS) have been proposed for obtaining general area cladograms from taxon-area cladograms. Available programs implementing these methods include COMPONENT versions 1.5 and 2.0 for component analysis, TAS for three-area statements, and Hennig86 for analysing matrices for both three-area statements and BPA. Ten different data sets were analysed with these programs and items of error were used to evaluate the general area cladograms obtained. None of the computer implementations of the methods compared proved to be more effective than the others."…all methodologies, even the most obvious ones, have their limits…"Feyerabend (1993:231)

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