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[bahy-oh-tur-bey-shuh n] /ˌbaɪ oʊ tɜrˈbeɪ ʃən/
the alteration and disturbance of a site by living organisms; the turning and mixing of sediments by organisms, as rodents. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for bioturbation
  • Ensuring confidence in radionuclide-based sediment chronologies and bioturbation rates.
  • Sediment bioturbation will generally improve degradation rates of organic compounds through oxygenation of surface sediments.
  • While benthic infauna have recolonized the cap, there is not indication of cap breach due to bioturbation.
  • bioturbation by crabs or burrowing shrimp may also be a problem.
  • Compaction amelioration results from clay-mineral expansion during wetting-and-drying, freeze-thaw heaving, and bioturbation.
bioturbation in Science
The stirring or mixing of sediment or soil by organisms, especially by burrowing, boring, or ingestion.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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