Articles | Volume 19, issue 10
Biogeosciences, 19, 2583–2598, 2022
https://doi.org/10.5194/bg-19-2583-2022

Special issue: Towards an understanding and assessment of human impact on...

Biogeosciences, 19, 2583–2598, 2022
https://doi.org/10.5194/bg-19-2583-2022
Research article
20 May 2022
Research article | 20 May 2022

Trawling effects on biogeochemical processes are mediated by fauna in high-energy biogenic-reef-inhabited coastal sediments

Justin C. Tiano et al.

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Short summary
This study gives an assessment of bottom trawling on physical, chemical, and biological characteristics in a location known for its strong currents and variable habitats. Although trawl gears only removed the top 1 cm of the seabed surface, impacts on reef-building tubeworms significantly decreased carbon and nutrient cycling. Lighter trawls slightly reduced the impact on fauna and nutrients. Tubeworms were strongly linked to biogeochemical and faunal aspects before but not after trawling.
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