Algorithmic approaches to aid species' delimitation in multidimensional morphospace

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Authors Thomas HG Ezard, Paul N Pearson & Andy Purvis
Journal/Conference Name BMC Evolutionary Biology
Paper Category , ,
Paper Abstract The species is a fundamental unit of biological pattern and process, but its delimitation has proven a ready source of argument and disagreement. Here, we discuss four key steps that utilize statistical thresholds to describe the morphological variability within a sample and hence assess whether there is evidence for one or multiple species. Once the initial set of biologically relevant traits on comparable individuals has been identified, there is no need for the investigator to hypothesise how specimens might be divided among groups, nor the traits on which groups might be separated.
Date of publication 2020
Code Programming Language R
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