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Analysis of Ratios in Multivariate Morphometry

Baur, Hannes ; Leuenberger, Christoph

In: Systematic Biology, 2011, vol. 60, no. 6, p. 813-825

Analysis of Ratios in Multivariate Morphometry

Baur, Hannes ; Leuenberger, Christoph

In: Systematic Biology, 2011, vol. 60, no. 6, p. 813-825

The analysis of ratios of body measurements is deeply ingrained in the taxonomic literature. Whether for plants or animals, certain ratios are commonly indicated in identification keys, diagnoses, and descriptions. They often provide the only means for separation of cryptic species that mostly lack distinguishing qualitative characters. Additionally, they provide an obvious way to study...