Definition of depauperate in English:

depauperate

adjective

Biology
  • 1(of a flora, fauna, or ecosystem) lacking in numbers or variety of species:

    ‘oceanic islands are generally depauperate in mayflies’
    • ‘The flora is largely derived from that of south-eastern Polynesia, but is comparatively depauperate, due to the remoteness and the young geological age of the island.’
    • ‘Three years after thinning plus herbicide, the plantations remained depauperate of deciduous trees.’
    • ‘Forestry activities within habitats tend to promote homogeneity and result in a depauperate lichen community.’
    • ‘Generally, the Arctic invertebrate fauna is depauperate, and some groups (Odonata and Megaloptera) are usually absent.’
    • ‘Compared with natural forest, of course, even agroforest lands are generally depauperate.’
    1. 1.1 (of a plant or animal) imperfectly developed:
      ‘a depauperate inflorescence’
      • ‘Compared to nine previously analyzed woody mints, however, M. alba is genetically depauperate.’
      • ‘Such studies permitted taxonomic identification of morphologically depauperate fossils as a prerequisite to assembling databases for biodiversity studies.’
      • ‘Does the genetic variation of organelle DNAs in D. sinensis tend to become depauperate because of their small effective population size, as in many endangered species?’
      • ‘As a result, high-elevation populations will tend to be genetically depauperate.’

Origin

Late Middle English (in the sense ‘impoverished’): from medieval Latin depauperatus, past participle of depauperare, from de- completely + pauperare make poor (from pauper poor).

Pronunciation:

depauperate

/dɪˈpɔːp(ə)rət/