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Translation of the Braun-Blanquet scale to percent in TURBOVEG can bias diversity metrics

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The post was provided by Jürgen Dengler, Iwona Dembicz & Łukasz Kozub

Visualisation of different ways of back-transforming 7-step Braun-Blanquet scales to percent for numerical analyses. It is evident that for cover values below 3% (0.5 on the log10 scale), the back-translation of TURBOVEG (yellow) yields systematically too high values, while the two mid-point translations partly over- and partly underestimate the true values (Image taken from Dengler et al.
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