Definition, Meaning & Synonyms

operational taxonomic unit

Noun

ˌɒpəˈreɪʃənl tækˈsɒnəmɪk juːnɪt

Definition

A segment of biological classification used to categorize and identify taxonomic units based on operational characteristics rather than formal taxonomic ranks.

Examples

Researchers often use operational taxonomic units to classify microbial communities in environmental samples.
The identification of operational taxonomic units can help in understanding biodiversity in ecosystems.

Meaning

Operational taxonomic units (OTUs) are often defined by specific operational criteria, such as genetic similarity, rather than strict adherence to established taxonomic hierarchies.