Abstract
Background: Marine sediments represent one of the planet’s largest carbon stores. Bottom trawl fisheries constitute the most widespread physical disturbance to seabed habitats, which exert a large influence over the oceanic carbon dioxide (CO2) sink. Recent research has sparked concern that seabed disturbance from trawling can therefore turn marine sediments into a large source of CO2, but the calculations involved carry a high degree of uncertainty. This is primarily due to a lack of quantitative understanding of how trawling mixes and resuspends sediments, how it alters bioturbation, bioirrigation, and oxygenation rates, and how these processes translate into carbon fluxes into or out of sediments.
Original language | English |
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Article number | 24 |
Number of pages | 10 |
Journal | Environmental Evidence |
Volume | 13 |
DOIs | |
Publication status | Published - 15 Oct 2024 |
Event | Trawling & Carbon Workshop - Lyell Centre , Edinburgh, United Kingdom Duration: 20 Apr 2023 → 21 Apr 2023 |
Keywords
- Carbon
- Sediment
- Seafloor
- Trawling
- Disturbance
- Systematic Review
- Bentic
- fishing
- biogeochemistry