bioturbation

[ bahy-oh-tur-bey-shuh n ]
/ ˌbaɪ oʊ tɜrˈbeɪ ʃən /

noun

the alteration and disturbance of a site by living organisms; the turning and mixing of sediments by organisms, as rodents.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Science definitions for bioturbation

bioturbation

[ bī′ō-tər-bāshən ]

The stirring or mixing of sediment or soil by organisms, especially by burrowing, boring, or ingestion.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.