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Deep-ocean seaweed dumping for carbon sequestration: Questionable, risky, and not the best use of valuable biomass
Seaweed and Integrated Multi-Trophic Aquaculture Research Laboratory, University of New Brunswick, 100 Tucker Park Street, Saint John, New Brunswick E2L 4L5, Canada, 100 Tucker Park Street; Chopin Coastal Health Solutions Inc., Quispamsis, New Brunswick E2E 1W4, Canada; Turquoise Revolution Inc., Quispamsis, New Brunswick E2E 1W4, Canada.
Faculty of Biosciences & Aquaculture, Nord University, Postboks 1490, Bodoe 8049, Norway, Postboks 1490; Ecological Aquaculture, LLC, 8 Coastal Lane, Biddeford, ME 04005, USA, 8 Coastal Lane.
The Beijer Institute, Royal Swedish Academy of Sciences, Box 5000, Lilla Frescativagen 4, 104 05 Stockholm, Sweden, Box 5000, Lilla Frescativägen 4; Stockholm Resilience Centre, Stockholm University, Stockholm, Sweden.
Institute for Marine and Antarctic Studies, University of Tasmania, 20 Castray Esplanade, Hobart, TAS 7004, Australia, 20 Castray Esplanade.
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2024 (English)In: One Earth, ISSN 2590-3330, E-ISSN 2590-3322, Vol. 7, no 3, p. 359-364Article in journal (Refereed) Published
Abstract [en]

Deep-ocean seaweed dumping is not an ecological, economical, or ethical answer to climate-change mitigation via carbon “sequestration.” Without sound science and sufficient knowledge on impacts to these fragile ecosystems, it distracts from more rational and effective blue-carbon interventions. We call for a moratorium on sinking seaweeds to deep-ocean ecosystems until its efficacy is established, and there is robust, evidence-based assessment of its environmental, economic, and societal sustainability.

Place, publisher, year, edition, pages
Elsevier BV , 2024. Vol. 7, no 3, p. 359-364
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Ecology
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URN: urn:nbn:se:kth:diva-344545DOI: 10.1016/j.oneear.2024.01.013Scopus ID: 2-s2.0-85187566995OAI: oai:DiVA.org:kth-344545DiVA, id: diva2:1845933
Note

QC 20240321

Available from: 2024-03-20 Created: 2024-03-20 Last updated: 2024-03-21Bibliographically approved

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Gröndahl, Fredrik

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