Articles | Volume 16, issue 8
https://doi.org/10.5194/essd-16-3547-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/essd-16-3547-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Data description paper
| 
07 Aug 2024
Data description paper |
| 07 Aug 2024
| 07 Aug 2024
Demersal fishery Impacts on Sedimentary Organic Matter (DISOM): a global harmonized database of studies assessing the impacts of demersal fisheries on sediment biogeochemistry
Geological Institute, ETH Zürich, Zurich, Switzerland
Justin Tiano
Wageningen Marine Research, Wageningen University and Research, P.O. Box 68, 1970 AB, IJmuiden, the Netherlands
Emil De Borger
Royal Netherlands Institute for Sea Research (NIOZ), Department of Estuarine and Delta Systems, P.O. Box 140, 4400 AC, Yerseke, the Netherlands
Department of Biology, Marine Biology Research group, Ghent University, Krijgslaan 281/S8, 9000 Ghent, Belgium
Antonio Pusceddu
Department of Life and Environmental Sciences, University of Cagliari, Via T. Fiorelli, 1, 09126 Cagliari, Italy
Clare Bradshaw
Department of Environment, Ecology and Plant Sciences, Stockholm University, 10691 Stockholm, Sweden
Claudia Ennas
Department of Life and Environmental Sciences, University of Cagliari, Via T. Fiorelli, 1, 09126 Cagliari, Italy
Claudia Morys
Department of Environment, Ecology and Plant Sciences, Stockholm University, 10691 Stockholm, Sweden
Marija Sciberras
The Lyell Centre, Heriot-Watt University, Edinburgh, EH14 4AP, UK
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Sarah Paradis, Hannah Gies, Davide Moccia, Julie Lattaud, Lisa Bröder, Negar Haghipour, Antonio Pusceddu, Albert Palanques, Pere Puig, Claudio Lo Iacono, and Timothy I. Eglinton
EGUsphere, https://doi.org/10.5194/egusphere-2025-2587, https://doi.org/10.5194/egusphere-2025-2587, 2025
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The Gulf of Palermo features several submarine canyons, where 50–70% of the organic carbon deposited in them is terrigenous (OC-terr). The contribution of OC-terr generally decreases offshore and across canyons. Rivers deliver OC-terr, which is redistributed by regional currents and intercepted by the farthest down-current canyon, while the other submarine canyons receive terrigenous organic carbon from more distal sources. Bottom trawling also contributes to the transfer of OC-terr down-canyon.
Sarah Paradis, Kai Nakajima, Tessa S. Van der Voort, Hannah Gies, Aline Wildberger, Thomas M. Blattmann, Lisa Bröder, and Timothy I. Eglinton
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MOSAIC is a database of global organic carbon in marine sediments. This new version holds more than 21 000 sediment cores and includes new variables to interpret organic carbon distribution, such as sedimentological parameters and biomarker signatures. MOSAIC also stores data from specific sediment and molecular fractions to better understand organic carbon degradation and ageing. This database is continuously expanding, and version control will allow reproducible research outputs.
Sarah Paradis, Antonio Pusceddu, Pere Masqué, Pere Puig, Davide Moccia, Tommaso Russo, and Claudio Lo Iacono
Biogeosciences, 16, 4307–4320, https://doi.org/10.5194/bg-16-4307-2019, https://doi.org/10.5194/bg-16-4307-2019, 2019
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Chronic deep bottom trawling in the Gulf of Castellammare (SW Mediterranean) erodes large volumes of sediment, exposing over-century-old sediment depleted in organic matter. Nevertheless, the arrival of fresh and nutritious sediment recovers superficial organic matter in trawling grounds and leads to high turnover rates, partially and temporarily mitigating the impacts of bottom trawling. However, this deposition is ephemeral and it will be swiftly eroded by the passage of the next trawler.
Sarah Paradis, Hannah Gies, Davide Moccia, Julie Lattaud, Lisa Bröder, Negar Haghipour, Antonio Pusceddu, Albert Palanques, Pere Puig, Claudio Lo Iacono, and Timothy I. Eglinton
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The Gulf of Palermo features several submarine canyons, where 50–70% of the organic carbon deposited in them is terrigenous (OC-terr). The contribution of OC-terr generally decreases offshore and across canyons. Rivers deliver OC-terr, which is redistributed by regional currents and intercepted by the farthest down-current canyon, while the other submarine canyons receive terrigenous organic carbon from more distal sources. Bottom trawling also contributes to the transfer of OC-terr down-canyon.
Markus Diesing, Marija Sciberras, Terje Thorsnes, Lilja Bjarnadottir, and Øyvind Moe
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This preprint is open for discussion and under review for Biogeosciences (BG).
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Dragging fishing nets across the seafloor might lead to the release of carbon dioxide, potentially leading to negative consequences such as the ocean turning sour and the planet heating up even more quickly. Protecting areas of the seabed from such human activities could help reduce negative consequences, but which places should be protected? We present a new method to map areas of the seabed offshore Norway which are most at risk and could be considered for protection.
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EGUsphere, https://doi.org/10.5194/egusphere-2025-102, https://doi.org/10.5194/egusphere-2025-102, 2025
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Justin C. Tiano, Jochen Depestele, Gert Van Hoey, João Fernandes, Pieter van Rijswijk, and Karline Soetaert
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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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Biogeosciences, 18, 2539–2557, https://doi.org/10.5194/bg-18-2539-2021, https://doi.org/10.5194/bg-18-2539-2021, 2021
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Biogeosciences, 17, 1701–1715, https://doi.org/10.5194/bg-17-1701-2020, https://doi.org/10.5194/bg-17-1701-2020, 2020
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Short summary
DISOM is a database that compiles data of 71 independent studies that assess the effect of demersal fisheries on sedimentological and biogeochemical properties. This database also provides crucial metadata (i.e. environmental and fishing descriptors) needed to understand the effects of demersal fisheries in a global context.
DISOM is a database that compiles data of 71 independent studies that assess the effect of...
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