Abstract
The article gives an overview on the various forms and impacts of bioirrigation by benthic organisms in muddy and sandy sediments. Through their bioirrigation activities infaunal organisms establish extremely dynamic geochemical conditions in sediments and strongly influence biogeochemical processes, including the cycling of carbon, nitrogen, and metals. Various approaches to study bioirrigation and animal-sediment relationships in marine sediments are presented. Video clips supplementing this article highlight the dynamic character of bioturbated sediments.
| Original language | English |
|---|---|
| Title of host publication | Encyclopedia of Ocean Sciences, Third Edition |
| Subtitle of host publication | Volume 1-5 |
| Publisher | Elsevier |
| Pages | V2-663-V2-670 |
| Volume | 1-5 |
| ISBN (Electronic) | 9780128130827 |
| DOIs | |
| State | Published - Jan 1 2019 |
Keywords
- Benthic ecology
- Benthic infauna
- Bioadvection
- Bioirrigation
- Bioturbation
- Carbon cycling
- Nitrogen cycling
- Organic matter mineralization
- Oxygen dynamics
- Permeable sediments
- Porewater
- Redox dynamics
- Seafloor
- Sediment biogeochemistry
- Sediment microtopography
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