A depauperate ecosystem is one which is lacking in numbers or variety of species, often because it lacks enough stored chemical elements required for life. Thus, depauperate ecosystems often cannot support rapid growth of flora and fauna, high biomass density, and high biological diversity. An urchin barren is an example of a depauperate ecosystem.
- "Environmental Science: Earth as a Living Planet", Daniel B. Botkin, Edward A. Keller, Fifth Edition, p. 186, ISBN 978-0-470-91781-7
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